pressure loss tablessnowcrest.net/thriftysupply/pdf/uponor-pressureloss... · 2018. 12. 7. · 1...
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Pressure Loss Tables
Pressure Loss Per 100 Feet 1⁄4" Wirsbo hePEXTM and Uponor AquaPEX® (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.05 0.35 0.44 0.40 0.38 0.37 0.35 0.34 0.34 0.33
0.1 0.70 1.57 1.45 1.38 1.33 1.27 1.23 1.21 1.19
0.2 1.41 5.67 5.24 4.97 4.80 4.58 4.45 4.36 4.28
0.3 2.11 12.01 11.09 10.53 10.16 9.70 9.42 9.24 9.05
0.4 2.81 20.45 18.88 17.93 17.30 16.52 16.05 15.73 15.42
0.5 3.52 30.90 28.52 27.10 26.15 24.96 24.25 23.77 23.29
0.6 4.22 43.30 39.97 37.97 36.64 34.97 33.97 33.31 32.64
0.7 4.92 57.59 53.16 50.50 48.73 46.51 45.18 44.30 43.41
0.8 5.63 73.72 68.05 64.65 62.38 59.54 57.84 56.71 55.58
0.9 6.33 91.67 84.62 80.39 77.57 74.04 71.93 70.52 69.11
1.0 7.03 111.40 102.83 97.69 94.26 89.98 87.41 85.69 83.98
1.1 7.74 132.88 122.66 116.53 112.44 107.33 104.26 102.22 100.17
1.2 8.44 156.09 144.08 136.88 132.07 126.07 122.47 120.07 117.67
1.3 9.14 181.00 167.08 158.72 153.15 146.19 142.01 139.23 136.45
1.4 9.85 207.60 191.63 182.05 175.66 167.67 162.88 159.69 156.50
1.5 10.55 235.86 217.72 206.83 199.57 190.50 185.06 181.43 177.80
Pressure Loss Per 100 Feet 1⁄4" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.05 0.35 0.54 0.50 0.47 0.46 0.44 0.42 0.42 0.41
0.1 0.70 1.95 1.80 1.71 1.65 1.58 1.53 1.50 1.47
0.2 1.41 7.03 6.49 6.17 5.95 5.68 5.52 5.41 5.30
0.3 2.11 14.89 13.75 13.06 12.60 12.03 11.69 11.46 11.23
0.4 2.81 25.36 23.41 22.24 21.46 20.48 19.90 19.51 19.12
0.5 3.52 38.32 35.37 33.60 32.42 30.95 30.06 29.48 28.89
0.6 4.22 53.69 49.56 47.08 45.43 43.36 42.13 41.30 40.47
0.7 4.92 71.41 65.91 62.62 60.42 57.67 56.03 54.93 53.83
0.8 5.63 91.42 84.38 80.16 77.35 73.84 71.73 70.32 68.91
0.9 6.33 113.67 104.93 99.68 96.18 91.81 89.19 87.44 85.69
1.0 7.03 138.13 127.51 121.13 116.88 111.57 108.38 106.26 104.13
1.1 7.74 164.77 152.10 144.49 139.42 133.08 129.28 126.75 124.21
1.2 8.44 193.55 178.66 169.73 163.77 156.33 151.86 148.88 145.91
1.3 9.14 224.44 207.17 196.82 189.91 181.28 176.10 172.65 169.19
1.4 9.85 257.42 237.62 225.74 217.82 207.92 201.97 198.01 194.05
1.5 10.55 292.46 269.97 256.47 247.47 236.22 229.47 224.97 220.47
Pressure Loss Per 100 Feet 1⁄4" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.05 0.35 0.58 0.54 0.51 0.49 0.47 0.46 0.45 0.44
0.1 0.70 2.09 1.93 1.84 1.77 1.69 1.64 1.61 1.58
0.2 1.41 7.54 6.96 6.62 6.38 6.09 5.92 5.80 5.69
0.3 2.11 15.97 14.75 14.01 13.52 12.90 12.53 12.29 12.04
0.4 2.81 27.20 25.11 23.85 23.01 21.97 21.34 20.92 20.50
0.5 3.52 41.10 37.94 36.04 34.78 33.20 32.25 31.61 30.98
0.6 4.22 57.59 53.16 50.50 48.73 46.51 45.18 44.30 43.41
0.7 4.92 76.59 70.70 67.16 64.81 61.86 60.09 58.91 57.74
0.8 5.63 98.05 90.51 85.98 82.97 79.19 76.93 75.42 73.91
0.9 6.33 121.92 112.54 106.92 103.16 98.48 95.66 93.79 91.91
1.0 7.03 148.16 136.76 129.93 125.37 119.67 116.25 113.97 111.69
1.1 7.74 176.73 163.14 154.98 149.54 142.74 138.66 135.95 133.23
1.2 8.44 207.60 191.63 182.05 175.66 167.67 162.88 159.69 156.50
1.3 9.14 240.73 222.21 211.10 203.69 194.43 188.88 185.18 181.47
1.4 9.85 276.10 254.86 242.12 233.63 223.01 216.63 212.39 208.14
1.5 10.55 313.69 289.56 275.08 265.43 253.37 246.13 241.30 236.47
Pressure Loss Per 100 Feet 1⁄4" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.05 0.35 0.61 0.56 0.54 0.52 0.49 0.48 0.47 0.46
0.1 0.70 2.20 2.03 1.93 1.86 1.78 1.73 1.69 1.66
0.2 1.41 7.94 7.33 6.96 6.72 6.41 6.23 6.11 5.99
0.3 2.11 16.81 15.52 14.75 14.23 13.58 13.19 12.93 12.68
0.4 2.81 28.63 26.43 25.11 24.23 23.12 22.46 22.02 21.58
0.5 3.52 43.26 39.93 37.94 36.61 34.94 33.94 33.28 32.61
0.6 4.22 60.62 55.95 53.16 51.29 48.96 47.56 46.63 45.70
0.7 4.92 80.62 74.42 70.70 68.22 65.12 63.26 62.02 60.77
0.8 5.63 103.21 95.27 90.51 87.33 83.36 80.98 79.39 77.81
0.9 6.33 128.34 118.47 112.54 108.59 103.66 100.70 98.72 96.75
1.0 7.03 155.96 143.96 136.76 131.97 125.97 122.37 119.97 117.57
1.1 7.74 186.03 171.72 163.14 157.41 150.26 145.96 143.10 140.24
1.2 8.44 218.52 201.71 191.63 184.90 176.50 171.46 168.09 164.73
1.3 9.14 253.40 233.91 222.21 214.41 204.67 198.82 194.92 191.02
1.4 9.85 290.63 268.28 254.86 245.92 234.74 228.04 223.56 219.09
1.5 10.55 330.20 304.80 289.56 279.40 266.70 259.08 254.00 248.92
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Pressure Loss Tables
Pressure Loss Per 100 Feet 5⁄16" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.1 0.48 0.17 0.16 0.15 0.15 0.14 0.13 0.13 0.13
0.2 0.96 0.62 0.57 0.54 0.52 0.50 0.49 0.48 0.47
0.3 1.44 2.23 2.06 1.95 1.89 1.80 1.75 1.71 1.68
0.4 1.92 4.72 4.36 4.14 3.99 3.81 3.70 3.63 3.56
0.5 2.40 8.04 7.42 7.05 6.80 6.49 6.31 6.18 6.06
0.6 2.87 12.14 11.21 10.65 10.28 9.81 9.53 9.34 9.15
0.7 3.35 17.02 15.71 14.92 14.40 13.74 13.35 13.09 12.83
0.8 3.83 22.63 20.89 19.85 19.15 18.28 17.76 17.41 17.06
0.9 4.31 28.97 26.74 25.41 24.51 23.40 22.73 22.29 21.84
1.0 4.79 36.03 33.25 31.59 30.48 29.10 28.27 27.71 27.16
1.1 5.27 43.78 40.41 38.39 37.04 35.36 34.35 33.68 33.00
1.2 5.75 52.22 48.20 45.79 44.19 42.18 40.97 40.17 39.37
1.3 6.23 61.34 56.62 53.79 51.90 49.54 48.13 47.19 46.24
1.4 6.71 71.13 65.66 62.38 60.19 57.45 55.81 54.72 53.62
1.5 7.19 81.58 75.31 71.54 69.03 65.89 64.01 62.76 61.50
1.6 7.67 92.69 85.56 81.28 78.43 74.87 72.73 71.30 69.87
1.7 8.14 104.44 96.41 91.59 88.38 84.36 81.95 80.34 78.74
1.8 8.62 116.84 107.85 102.46 98.87 94.37 91.68 89.88 88.08
1.9 9.10 129.87 119.88 113.89 109.89 104.90 101.90 99.90 97.90
2.0 9.58 143.54 132.49 125.87 121.45 115.93 112.62 110.41 108.20
Pressure Loss Per 100 Feet 5⁄16" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.1 0.48 0.21 0.20 0.19 0.18 0.17 0.17 0.16 0.16
0.2 0.96 0.77 0.71 0.67 0.65 0.62 0.60 0.59 0.58
0.3 1.44 2.76 2.55 2.42 2.34 2.23 2.17 2.13 2.08
0.4 1.92 5.85 5.40 5.13 4.95 4.73 4.59 4.50 4.41
0.5 2.40 9.97 9.20 8.74 8.43 8.05 7.82 7.67 7.51
0.6 2.87 15.06 13.90 13.21 12.74 12.16 11.82 11.58 11.35
0.7 3.35 21.10 19.48 18.50 17.85 17.04 16.55 16.23 15.91
0.8 3.83 28.06 25.90 24.61 23.74 22.67 22.02 21.59 21.15
0.9 4.31 35.93 33.16 31.50 30.40 29.02 28.19 27.64 27.08
1.0 4.79 44.67 41.24 39.17 37.80 36.08 35.05 34.36 33.68
1.1 5.27 54.29 50.11 47.60 45.93 43.85 42.59 41.76 40.92
1.2 5.75 64.75 59.77 56.78 54.79 52.30 50.81 49.81 48.81
1.3 6.23 76.06 70.21 66.70 64.36 61.44 59.68 58.51 57.34
1.4 6.71 88.20 81.42 77.35 74.63 71.24 69.21 67.85 66.49
1.5 7.19 101.16 93.38 88.71 85.60 81.71 79.37 77.82 76.26
1.6 7.67 114.94 106.09 100.79 97.25 92.83 90.18 88.41 86.64
1.7 8.14 129.51 119.55 113.57 109.59 104.61 101.62 99.62 97.63
1.8 8.62 144.88 133.74 127.05 122.59 117.02 113.68 111.45 109.22
1.9 9.10 161.04 148.65 141.22 136.27 130.07 126.36 123.88 121.40
2.0 9.58 177.98 164.29 156.08 150.60 143.76 139.65 136.91 134.17
Pressure Loss Per 100 Feet 5⁄16" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.1 0.48 0.23 0.21 0.20 0.19 0.18 0.18 0.18 0.17
0.2 0.96 0.82 0.76 0.72 0.70 0.66 0.65 0.63 0.62
0.3 1.44 2.96 2.74 2.60 2.51 2.39 2.33 2.28 2.24
0.4 1.92 6.28 5.79 5.50 5.31 5.07 4.93 4.83 4.73
0.5 2.40 10.69 9.87 9.37 9.04 8.63 8.39 8.22 8.06
0.6 2.87 16.15 14.91 14.16 13.67 13.05 12.67 12.42 12.18
0.7 3.35 22.63 20.89 19.85 19.15 18.28 17.76 17.41 17.06
0.8 3.83 30.10 27.78 26.39 25.47 24.31 23.62 23.15 22.69
0.9 4.31 38.53 35.57 33.79 32.60 31.12 30.23 29.64 29.05
1.0 4.79 47.91 44.23 42.02 40.54 38.70 37.59 36.86 36.12
1.1 5.27 58.23 53.75 51.06 49.27 47.03 45.69 44.79 43.89
1.2 5.75 69.45 64.11 60.91 58.77 56.10 54.49 53.43 52.36
1.3 6.23 81.58 75.31 71.54 69.03 65.89 64.01 62.76 61.50
1.4 6.71 94.60 87.33 82.96 80.05 76.41 74.23 72.77 71.32
1.5 7.19 108.51 100.16 95.15 91.81 87.64 85.14 83.47 81.80
1.6 7.67 123.28 113.80 108.11 104.31 99.57 96.73 94.83 92.93
1.7 8.14 138.91 128.23 121.81 117.54 112.20 108.99 106.86 104.72
1.8 8.62 155.40 143.44 136.27 131.49 125.51 121.93 119.54 117.15
1.9 9.10 172.73 159.44 151.47 146.16 139.51 135.53 132.87 130.21
2.0 9.58 190.90 176.22 167.41 161.53 154.19 149.78 146.85 143.91
Pressure Loss Per 100 Feet 5⁄16" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.1 0.48 0.24 0.22 0.21 0.20 0.19 0.19 0.18 0.18
0.2 0.96 0.87 0.80 0.76 0.73 0.70 0.68 0.67 0.65
0.3 1.44 3.12 2.88 2.74 2.64 2.52 2.45 2.40 2.35
0.4 1.92 6.61 6.10 5.79 5.59 5.34 5.18 5.08 4.98
0.5 2.40 11.25 10.39 9.87 9.52 9.09 8.83 8.65 8.48
0.6 2.87 17.00 15.69 14.91 14.39 13.73 13.34 13.08 12.82
0.7 3.35 23.82 21.99 20.89 20.16 19.24 18.69 18.32 17.96
0.8 3.83 31.68 29.25 27.78 26.81 25.59 24.86 24.37 23.88
0.9 4.31 40.56 37.44 35.57 34.32 32.76 31.82 31.20 30.58
1.0 4.79 50.44 46.56 44.23 42.68 40.74 39.57 38.80 38.02
1.1 5.27 61.29 56.58 53.75 51.86 49.50 48.09 47.15 46.20
1.2 5.75 73.11 67.49 64.11 61.86 59.05 57.36 56.24 55.11
1.3 6.23 85.88 79.27 75.31 72.67 69.36 67.38 66.06 64.74
1.4 6.71 99.58 91.92 87.33 84.26 80.43 78.13 76.60 75.07
1.5 7.19 114.22 105.43 100.16 96.65 92.25 89.62 87.86 86.10
1.6 7.67 129.77 119.78 113.80 109.80 104.81 101.82 99.82 97.82
1.7 8.14 146.22 134.97 128.23 123.73 118.10 114.73 112.48 110.23
1.8 8.62 163.58 150.99 143.44 138.41 132.12 128.35 125.83 123.31
1.9 9.10 181.82 167.84 159.44 153.85 146.86 142.66 139.86 137.07
2.0 9.58 200.95 185.49 176.22 170.03 162.31 157.67 154.58 151.49
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Pressure Loss Tables
Pressure Loss Per 100 Feet 3⁄8" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.1 0.33 0.07 0.07 0.06 0.06 0.06 0.06 0.05 0.05
0.2 0.67 0.26 0.24 0.22 0.22 0.21 0.20 0.20 0.19
0.3 1.00 0.92 0.85 0.81 0.78 0.75 0.72 0.71 0.70
0.4 1.33 1.95 1.80 1.71 1.65 1.58 1.53 1.50 1.47
0.5 1.67 3.33 3.07 2.92 2.82 2.69 2.61 2.56 2.51
0.6 2.00 5.03 4.64 4.41 4.26 4.06 3.95 3.87 3.79
0.7 2.33 7.05 6.50 6.18 5.96 5.69 5.53 5.42 5.31
0.8 2.67 9.37 8.65 8.22 7.93 7.57 7.35 7.21 7.07
0.9 3.00 12.00 11.08 10.52 10.15 9.69 9.41 9.23 9.05
1.0 3.33 14.92 13.77 13.08 12.62 12.05 11.71 11.48 11.25
1.1 3.67 18.13 16.74 15.90 15.34 14.64 14.23 13.95 13.67
1.2 4.00 21.63 19.96 18.97 18.30 17.47 16.97 16.64 16.30
1.3 4.34 25.40 23.45 22.28 21.50 20.52 19.93 19.54 19.15
1.4 4.67 29.46 27.19 25.83 24.93 23.79 23.11 22.66 22.21
1.5 5.00 33.79 31.19 29.63 28.59 27.29 26.51 25.99 25.47
1.6 5.34 38.39 35.43 33.66 32.48 31.01 30.12 29.53 28.94
1.7 5.67 43.26 39.93 37.93 36.60 34.94 33.94 33.27 32.61
1.8 6.00 48.39 44.67 42.43 40.95 39.08 37.97 37.22 36.48
1.9 6.34 53.79 49.65 47.17 45.51 43.44 42.20 41.37 40.55
2.0 6.67 59.45 54.87 52.13 50.30 48.01 46.64 45.73 44.81
2.1 7.00 65.36 60.33 57.32 55.31 52.79 51.28 50.28 49.27
2.2 7.34 71.54 66.03 62.73 60.53 57.78 56.13 55.03 53.93
2.3 7.67 77.97 71.97 68.37 65.97 62.97 61.17 59.97 58.77
2.4 8.00 84.65 78.14 74.23 71.63 68.37 66.42 65.11 63.81
2.5 8.34 91.58 84.54 80.31 77.49 73.97 71.86 70.45 69.04
3.0 10.00 98.77 91.17 86.61 83.57 79.77 77.49 75.97 74.46
Pressure Loss Per 100 Feet 3⁄8" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.1 0.33 0.09 0.08 0.08 0.07 0.07 0.07 0.07 0.07
0.2 0.67 0.32 0.29 0.28 0.27 0.26 0.25 0.24 0.24
0.3 1.00 1.14 1.06 1.00 0.97 0.92 0.90 0.88 0.86
0.4 1.33 2.42 2.24 2.13 2.05 1.96 1.90 1.86 1.83
0.5 1.67 4.13 3.81 3.62 3.49 3.33 3.24 3.17 3.11
0.6 2.00 6.24 5.76 5.47 5.28 5.04 4.89 4.80 4.70
0.7 2.33 8.74 8.07 7.66 7.39 7.06 6.86 6.72 6.59
0.8 2.67 11.62 10.73 10.19 9.83 9.39 9.12 8.94 8.76
0.9 3.00 14.88 13.73 13.05 12.59 12.02 11.67 11.45 11.22
1.0 3.33 18.50 17.08 16.22 15.65 14.94 14.52 14.23 13.95
1.1 3.67 22.48 20.75 19.72 19.02 18.16 17.64 17.29 16.95
1.2 4.00 26.82 24.75 23.52 22.69 21.66 21.04 20.63 20.22
1.3 4.34 31.50 29.08 27.62 26.66 25.44 24.72 24.23 23.75
1.4 4.67 36.53 33.72 32.03 30.91 29.50 28.66 28.10 27.54
1.5 5.00 41.90 38.67 36.74 35.45 33.84 32.87 32.23 31.58
1.6 5.34 47.60 43.94 41.74 40.28 38.45 37.35 36.62 35.88
1.7 5.67 53.64 49.51 47.04 45.39 43.32 42.08 41.26 40.43
1.8 6.00 60.00 55.39 52.62 50.77 48.46 47.08 46.16 45.23
1.9 6.34 66.70 61.57 58.49 56.43 53.87 52.33 51.30 50.28
2.0 6.67 73.71 68.04 64.64 62.37 59.54 57.84 56.70 55.57
2.1 7.00 81.05 74.81 71.07 68.58 65.46 63.59 62.35 61.10
2.2 7.34 88.71 81.88 77.79 75.06 71.65 69.60 68.23 66.87
2.3 7.67 96.68 89.24 84.78 81.80 78.09 75.85 74.37 72.88
2.4 8.00 104.96 96.89 92.05 88.82 84.78 82.36 80.74 79.13
2.5 8.34 113.56 104.83 99.59 96.09 91.72 89.10 87.36 85.61
3.0 10.00 122.47 113.05 107.40 103.63 98.92 96.09 94.21 92.32
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Pressure Loss Tables
Pressure Loss Per 100 Feet 3⁄8" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.1 0.33 0.09 0.09 0.08 0.08 0.08 0.07 0.07 0.07
0.2 0.67 0.34 0.31 0.30 0.29 0.28 0.27 0.26 0.26
0.3 1.00 1.23 1.13 1.08 1.04 0.99 0.96 0.94 0.93
0.4 1.33 2.60 2.40 2.28 2.20 2.10 2.04 2.00 1.96
0.5 1.67 4.43 4.09 3.88 3.75 3.58 3.47 3.41 3.34
0.6 2.00 6.69 6.17 5.87 5.66 5.40 5.25 5.15 5.04
0.7 2.33 9.37 8.65 8.22 7.93 7.57 7.35 7.21 7.07
0.8 2.67 12.47 11.51 10.93 10.55 10.07 9.78 9.59 9.40
0.9 3.00 15.96 14.73 13.99 13.50 12.89 12.52 12.28 12.03
1.0 3.33 19.84 18.32 17.40 16.79 16.03 15.57 15.26 14.96
1.1 3.67 24.11 22.26 21.15 20.40 19.48 18.92 18.55 18.18
1.2 4.00 28.76 26.55 25.22 24.34 23.23 22.57 22.13 21.68
1.3 4.34 33.79 31.19 29.63 28.59 27.29 26.51 25.99 25.47
1.4 4.67 39.18 36.17 34.36 33.15 31.65 30.74 30.14 29.54
1.5 5.00 44.94 41.48 39.41 38.02 36.30 35.26 34.57 33.88
1.6 5.34 51.06 47.13 44.77 43.20 41.24 40.06 39.27 38.49
1.7 5.67 57.53 53.10 50.45 48.68 46.47 45.14 44.25 43.37
1.8 6.00 64.36 59.41 56.44 54.46 51.98 50.50 49.51 48.52
1.9 6.34 71.54 66.03 62.73 60.53 57.78 56.13 55.03 53.93
2.0 6.67 79.06 72.98 69.33 66.90 63.86 62.03 60.82 59.60
2.1 7.00 86.93 80.24 76.23 73.56 70.21 68.21 66.87 65.53
2.2 7.34 95.14 87.82 83.43 80.51 76.85 74.65 73.19 71.72
2.3 7.67 103.69 95.72 90.93 87.74 83.75 81.36 79.77 78.17
2.4 8.00 112.58 103.92 98.73 95.26 90.93 88.33 86.60 84.87
2.5 8.34 121.80 112.44 106.81 103.07 98.38 95.57 93.70 91.82
3.0 10.00 131.36 121.26 115.19 111.15 106.10 103.07 101.05 99.03
Pressure Loss Per 100 Feet 3⁄8" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.1 0.33 0.10 0.09 0.09 0.08 0.08 0.08 0.08 0.07
0.2 0.67 0.36 0.33 0.31 0.30 0.29 0.28 0.28 0.27
0.3 1.00 1.29 1.19 1.13 1.09 1.04 1.01 0.99 0.97
0.4 1.33 2.74 2.53 2.40 2.32 2.21 2.15 2.11 2.06
0.5 1.67 4.66 4.30 4.09 3.94 3.76 3.66 3.58 3.51
0.6 2.00 7.04 6.50 6.17 5.96 5.69 5.52 5.42 5.31
0.7 2.33 9.87 9.11 8.65 8.35 7.97 7.74 7.59 7.44
0.8 2.67 13.12 12.11 11.51 11.10 10.60 10.30 10.09 9.89
0.9 3.00 16.80 15.51 14.73 14.21 13.57 13.18 12.92 12.66
1.0 3.33 20.89 19.28 18.32 17.67 16.87 16.39 16.07 15.75
1.1 3.67 25.38 23.43 22.26 21.48 20.50 19.92 19.53 19.14
1.2 4.00 30.28 27.95 26.55 25.62 24.46 23.76 23.29 22.82
1.3 4.34 35.57 32.83 31.19 30.09 28.73 27.91 27.36 26.81
1.4 4.67 41.24 38.07 36.17 34.90 33.31 32.36 31.73 31.09
1.5 5.00 47.30 43.66 41.48 40.03 38.21 37.11 36.39 35.66
1.6 5.34 53.74 49.61 47.13 45.47 43.41 42.17 41.34 40.51
1.7 5.67 60.56 55.90 53.10 51.24 48.91 47.51 46.58 45.65
1.8 6.00 67.75 62.53 59.41 57.32 54.72 53.15 52.11 51.07
1.9 6.34 75.30 69.51 66.03 63.72 60.82 59.08 57.92 56.77
2.0 6.67 83.22 76.82 72.98 70.42 67.22 65.30 64.02 62.74
2.1 7.00 91.51 84.47 80.24 77.43 73.91 71.80 70.39 68.98
2.2 7.34 100.15 92.45 87.82 84.74 80.89 78.58 77.04 75.50
2.3 7.67 109.15 100.76 95.72 92.36 88.16 85.64 83.96 82.28
2.4 8.00 118.51 109.39 103.92 100.28 95.72 92.98 91.16 89.34
2.5 8.34 128.22 118.35 112.44 108.49 103.56 100.60 98.63 96.65
3.0 10.00 138.27 127.64 121.26 117.00 111.68 108.49 106.36 104.24
5
Pressure Loss Tables
Pressure Loss Per 100 Feet 1⁄2" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.1 0.18 0.06 0.05 0.05 0.05 0.05 0.05 0.04 0.04
0.2 0.36 0.21 0.19 0.18 0.18 0.17 0.16 0.16 0.16
0.3 0.54 0.44 0.41 0.39 0.37 0.36 0.35 0.34 0.33
0.4 0.72 0.75 0.70 0.66 0.64 0.61 0.59 0.58 0.57
0.5 0.91 1.14 1.05 1.00 0.96 0.92 0.89 0.88 0.86
0.6 1.09 1.59 1.47 1.40 1.35 1.29 1.25 1.23 1.20
0.7 1.27 2.12 1.96 1.86 1.79 1.71 1.66 1.63 1.60
0.8 1.45 2.72 2.51 2.38 2.30 2.19 2.13 2.09 2.05
0.9 1.63 3.38 3.12 2.96 2.86 2.73 2.65 2.60 2.55
1.0 1.81 4.10 3.79 3.60 3.47 3.31 3.22 3.16 3.09
1.1 1.99 4.89 4.52 4.29 4.14 3.95 3.84 3.77 3.69
1.2 2.17 5.75 5.31 5.04 4.86 4.64 4.51 4.42 4.33
1.3 2.35 6.67 6.15 5.85 5.64 5.38 5.23 5.13 5.03
1.4 2.53 7.65 7.06 6.71 6.47 6.18 6.00 5.88 5.76
1.5 2.72 8.69 8.02 7.62 7.35 7.02 6.82 6.68 6.55
1.6 2.90 9.79 9.04 8.58 8.28 7.91 7.68 7.53 7.38
1.7 3.08 10.95 10.11 9.60 9.27 8.85 8.59 8.42 8.26
1.8 3.26 12.17 11.24 10.67 10.30 9.83 9.55 9.36 9.18
1.9 3.44 13.45 12.42 11.80 11.38 10.87 10.56 10.35 10.14
2.0 3.62 14.79 13.65 12.97 12.52 11.95 11.61 11.38 11.15
2.1 3.80 16.19 14.94 14.20 13.70 13.08 12.70 12.45 12.20
2.2 3.98 17.64 16.29 15.47 14.93 14.25 13.84 13.57 13.30
2.3 4.16 19.16 17.68 16.80 16.21 15.47 15.03 14.74 14.44
2.4 4.35 20.73 19.13 18.18 17.54 16.74 16.26 15.94 15.62
2.5 4.53 22.35 20.63 19.60 18.91 18.05 17.54 17.19 16.85
3.0 5.43 31.32 28.91 27.46 26.50 25.30 24.57 24.09 23.61
3.5 6.34 41.65 38.45 36.53 35.25 33.64 32.68 32.04 31.40
4.0 7.24 53.33 49.22 46.76 45.12 43.07 41.84 41.02 40.20
4.5 8.15 66.31 61.21 58.15 56.11 53.56 52.03 51.01 49.99
5.0 9.05 80.58 74.38 70.66 68.18 65.08 63.22 61.98 60.74
5.5 9.96 96.12 88.72 84.29 81.33 77.63 75.42 73.94 72.46
6.0 10.86 112.90 104.22 99.01 95.53 91.19 88.59 86.85 85.11
Pressure Loss Per 100 Feet 1⁄2" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.1 0.18 0.07 0.07 0.06 0.06 0.06 0.06 0.06 0.05
0.2 0.36 0.26 0.24 0.23 0.22 0.21 0.20 0.20 0.20
0.3 0.54 0.55 0.51 0.48 0.46 0.44 0.43 0.42 0.41
0.4 0.72 0.93 0.86 0.82 0.79 0.75 0.73 0.72 0.70
0.5 0.91 1.41 1.30 1.24 1.19 1.14 1.11 1.09 1.06
0.6 1.09 1.98 1.83 1.73 1.67 1.60 1.55 1.52 1.49
0.7 1.27 2.63 2.43 2.31 2.23 2.12 2.06 2.02 1.98
0.8 1.45 3.37 3.11 2.95 2.85 2.72 2.64 2.59 2.54
0.9 1.63 4.19 3.86 3.67 3.54 3.38 3.29 3.22 3.16
1.0 1.81 5.09 4.70 4.46 4.31 4.11 3.99 3.91 3.84
1.1 1.99 6.07 5.60 5.32 5.14 4.90 4.76 4.67 4.58
1.2 2.17 7.13 6.58 6.25 6.03 5.76 5.59 5.48 5.37
1.3 2.35 8.27 7.63 7.25 7.00 6.68 6.49 6.36 6.23
1.4 2.53 9.48 8.75 8.31 8.02 7.66 7.44 7.29 7.15
1.5 2.72 10.77 9.94 9.45 9.12 8.70 8.45 8.29 8.12
1.6 2.90 12.14 11.21 10.64 10.27 9.80 9.52 9.34 9.15
1.7 3.08 13.58 12.53 11.91 11.49 10.97 10.65 10.45 10.24
1.8 3.26 15.09 13.93 13.24 12.77 12.19 11.84 11.61 11.38
1.9 3.44 16.68 15.40 14.63 14.12 13.47 13.09 12.83 12.58
2.0 3.62 18.34 16.93 16.09 15.52 14.82 14.39 14.11 13.83
2.1 3.80 20.08 18.53 17.60 16.99 16.21 15.75 15.44 15.13
2.2 3.98 21.88 20.20 19.19 18.51 17.67 17.17 16.83 16.49
2.3 4.16 23.75 21.93 20.83 20.10 19.19 18.64 18.27 17.91
2.4 4.35 25.70 23.72 22.54 21.75 20.76 20.17 19.77 19.37
2.5 4.53 27.72 25.58 24.31 23.45 22.39 21.75 21.32 20.89
3.0 5.43 38.84 35.85 34.06 32.86 31.37 30.47 29.87 29.28
3.5 6.34 51.65 47.68 45.29 43.70 41.72 40.53 39.73 38.94
4.0 7.24 66.12 61.04 57.99 55.95 53.41 51.88 50.87 49.85
4.5 8.15 82.22 75.90 72.10 69.57 66.41 64.51 63.25 61.98
5.0 9.05 99.92 92.23 87.62 84.55 80.70 78.40 76.86 75.32
5.5 9.96 119.19 110.02 104.52 100.85 96.27 93.52 91.68 89.85
6.0 10.86 140.00 129.23 122.77 118.46 113.08 109.85 107.69 105.54
6
Pressure Loss Tables
Pressure Loss Per 100 Feet 1⁄2" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.1 0.18 0.08 0.07 0.07 0.07 0.06 0.06 0.06 0.06
0.2 0.36 0.28 0.26 0.24 0.24 0.22 0.22 0.21 0.21
0.3 0.54 0.59 0.54 0.52 0.50 0.48 0.46 0.45 0.44
0.4 0.72 1.00 0.92 0.88 0.85 0.81 0.79 0.77 0.76
0.5 0.91 1.51 1.40 1.33 1.28 1.22 1.19 1.16 1.14
0.6 1.09 2.12 1.96 1.86 1.79 1.71 1.66 1.63 1.60
0.7 1.27 2.82 2.60 2.47 2.39 2.28 2.21 2.17 2.13
0.8 1.45 3.61 3.33 3.17 3.06 2.92 2.83 2.78 2.72
0.9 1.63 4.49 4.15 3.94 3.80 3.63 3.52 3.45 3.39
1.0 1.81 5.46 5.04 4.79 4.62 4.41 4.28 4.20 4.11
1.1 1.99 6.51 6.01 5.71 5.51 5.26 5.11 5.01 4.91
1.2 2.17 7.65 7.06 6.71 6.47 6.18 6.00 5.88 5.76
1.3 2.35 8.87 8.18 7.78 7.50 7.16 6.96 6.82 6.68
1.4 2.53 10.17 9.39 8.92 8.61 8.21 7.98 7.82 7.67
1.5 2.72 11.55 10.67 10.13 9.78 9.33 9.07 8.89 8.71
1.6 2.90 13.02 12.02 11.42 11.02 10.52 10.22 10.02 9.81
1.7 3.08 14.57 13.44 12.77 12.32 11.76 11.43 11.20 10.98
1.8 3.26 16.19 14.94 14.20 13.70 13.08 12.70 12.45 12.20
1.9 3.44 17.89 16.52 15.69 15.14 14.45 14.04 13.76 13.49
2.0 3.62 19.67 18.16 17.25 16.65 15.89 15.44 15.13 14.83
2.1 3.80 21.53 19.88 18.88 18.22 17.39 16.89 16.56 16.23
2.2 3.98 23.47 21.66 20.58 19.86 18.95 18.41 18.05 17.69
2.3 4.16 25.48 23.52 22.34 21.56 20.58 19.99 19.60 19.21
2.4 4.35 27.57 25.45 24.17 23.33 22.26 21.63 21.20 20.78
2.5 4.53 29.73 27.44 26.07 25.15 24.01 23.33 22.87 22.41
3.0 5.43 41.65 38.45 36.53 35.25 33.64 32.68 32.04 31.40
3.5 6.34 55.40 51.14 48.58 46.88 44.75 43.47 42.62 41.76
4.0 7.24 70.92 65.47 62.20 60.01 57.29 55.65 54.56 53.47
4.5 8.15 88.19 81.41 77.34 74.62 71.23 69.20 67.84 66.48
5.0 9.05 107.17 98.93 93.98 90.68 86.56 84.09 82.44 80.79
5.5 9.96 127.84 118.00 112.10 108.17 103.25 100.30 98.34 96.37
6.0 10.86 150.16 138.61 131.68 127.06 121.29 117.82 115.51 113.20
Pressure Loss Per 100 Feet 1⁄2" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.1 0.18 0.08 0.07 0.07 0.07 0.07 0.06 0.06 0.06
0.2 0.36 0.29 0.27 0.26 0.25 0.24 0.23 0.23 0.22
0.3 0.54 0.62 0.57 0.54 0.52 0.50 0.49 0.48 0.47
0.4 0.72 1.05 0.97 0.92 0.89 0.85 0.83 0.81 0.79
0.5 0.91 1.59 1.47 1.40 1.35 1.29 1.25 1.23 1.20
0.6 1.09 2.23 2.06 1.96 1.89 1.80 1.75 1.72 1.68
0.7 1.27 2.97 2.74 2.60 2.51 2.40 2.33 2.28 2.24
0.8 1.45 3.80 3.51 3.33 3.22 3.07 2.98 2.92 2.87
0.9 1.63 4.73 4.36 4.15 4.00 3.82 3.71 3.64 3.56
1.0 1.81 5.74 5.30 5.04 4.86 4.64 4.51 4.42 4.33
1.1 1.99 6.85 6.33 6.01 5.80 5.53 5.38 5.27 5.17
1.2 2.17 8.05 7.43 7.06 6.81 6.50 6.32 6.19 6.07
1.3 2.35 9.33 8.62 8.18 7.90 7.54 7.32 7.18 7.04
1.4 2.53 10.71 9.88 9.39 9.06 8.65 8.40 8.23 8.07
1.5 2.72 12.16 11.23 10.67 10.29 9.82 9.54 9.36 9.17
1.6 2.90 13.71 12.65 12.02 11.60 11.07 10.75 10.54 10.33
1.7 3.08 15.33 14.15 13.44 12.97 12.38 12.03 11.79 11.56
1.8 3.26 17.04 15.73 14.94 14.42 13.76 13.37 13.11 12.85
1.9 3.44 18.83 17.39 16.52 15.94 15.21 14.78 14.49 14.20
2.0 3.62 20.71 19.12 18.16 17.52 16.73 16.25 15.93 15.61
2.1 3.80 22.67 20.92 19.88 19.18 18.31 17.78 17.44 17.09
2.2 3.98 24.70 22.80 21.66 20.90 19.95 19.38 19.00 18.62
2.3 4.16 26.82 24.76 23.52 22.69 21.66 21.04 20.63 20.22
2.4 4.35 29.02 26.78 25.45 24.55 23.44 22.77 22.32 21.87
2.5 4.53 31.29 28.89 27.44 26.48 25.28 24.55 24.07 23.59
3.0 5.43 43.85 40.47 38.45 37.10 35.41 34.40 33.73 33.05
3.5 6.34 58.32 53.83 51.14 49.34 47.10 45.76 44.86 43.96
4.0 7.24 74.66 68.91 65.47 63.17 60.30 58.58 57.43 56.28
4.5 8.15 92.83 85.69 81.41 78.55 74.98 72.84 71.41 69.98
5.0 9.05 112.81 104.13 98.93 95.46 91.12 88.51 86.78 85.04
5.5 9.96 134.56 124.21 118.00 113.86 108.69 105.58 103.51 101.44
6.0 10.86 158.07 145.91 138.61 133.75 127.67 124.02 121.59 119.16
7
Pressure Loss Tables
Pressure Loss Per 100 Feet 5⁄8" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.2 0.25 0.08 0.08 0.07 0.07 0.07 0.07 0.06 0.06
0.3 0.37 0.18 0.16 0.15 0.15 0.14 0.14 0.14 0.13
0.4 0.50 0.30 0.28 0.26 0.25 0.24 0.24 0.23 0.23
0.5 0.62 0.45 0.42 0.40 0.38 0.37 0.36 0.35 0.34
0.6 0.74 0.63 0.59 0.56 0.54 0.51 0.50 0.49 0.48
0.7 0.87 0.84 0.78 0.74 0.71 0.68 0.66 0.65 0.64
0.8 0.99 1.08 1.00 0.95 0.91 0.87 0.85 0.83 0.81
0.9 1.12 1.34 1.24 1.18 1.14 1.09 1.05 1.03 1.01
1.0 1.24 1.63 1.51 1.43 1.38 1.32 1.28 1.26 1.23
1.1 1.36 1.95 1.80 1.71 1.65 1.57 1.53 1.50 1.47
1.2 1.49 2.29 2.11 2.01 1.94 1.85 1.80 1.76 1.73
1.3 1.61 2.65 2.45 2.33 2.25 2.14 2.08 2.04 2.00
1.4 1.74 3.04 2.81 2.67 2.58 2.46 2.39 2.34 2.29
1.5 1.86 3.46 3.19 3.03 2.93 2.79 2.71 2.66 2.61
1.6 1.98 3.90 3.60 3.42 3.30 3.15 3.06 3.00 2.94
1.7 2.11 4.36 4.02 3.82 3.69 3.52 3.42 3.35 3.29
1.8 2.23 4.85 4.47 4.25 4.10 3.91 3.80 3.73 3.65
1.9 2.36 5.36 4.94 4.70 4.53 4.33 4.20 4.12 4.04
2.0 2.48 5.89 5.44 5.16 4.98 4.76 4.62 4.53 4.44
2.1 2.60 6.44 5.95 5.65 5.45 5.21 5.06 4.96 4.86
2.2 2.73 7.02 6.48 6.16 5.94 5.67 5.51 5.40 5.29
2.3 2.85 7.63 7.04 6.69 6.45 6.16 5.98 5.87 5.75
2.4 2.98 8.25 7.62 7.24 6.98 6.66 6.47 6.35 6.22
2.5 3.10 8.90 8.21 7.80 7.53 7.19 6.98 6.84 6.71
3.0 3.72 12.47 11.51 10.93 10.55 10.07 9.78 9.59 9.40
3.5 4.34 16.58 15.31 14.54 14.03 13.39 13.01 12.76 12.50
4.0 4.96 21.23 19.60 18.62 17.96 17.15 16.66 16.33 16.00
4.5 5.58 26.40 24.37 23.15 22.34 21.32 20.71 20.30 19.90
5.0 6.20 32.08 29.61 28.13 27.14 25.91 25.17 24.67 24.18
5.5 6.82 38.26 35.32 33.55 32.38 30.90 30.02 29.43 28.84
6.0 7.44 44.94 41.49 39.41 38.03 36.30 35.26 34.57 33.88
6.5 8.06 52.12 48.11 45.70 44.10 42.10 40.89 40.09 39.29
7.0 8.68 59.78 55.18 52.42 50.58 48.28 46.90 45.98 45.06
7.5 9.30 67.91 62.69 59.56 57.47 54.85 53.29 52.24 51.20
8.0 9.92 76.53 70.64 67.11 64.75 61.81 60.04 58.87 57.69
8.5 10.54 85.61 79.02 75.07 72.44 69.15 67.17 65.85 64.54
Pressure Loss Per 100 Feet 5⁄8" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.2 0.25 0.10 0.10 0.09 0.09 0.08 0.08 0.08 0.08
0.3 0.37 0.22 0.20 0.19 0.18 0.18 0.17 0.17 0.16
0.4 0.50 0.37 0.34 0.33 0.31 0.30 0.29 0.29 0.28
0.5 0.62 0.56 0.52 0.49 0.48 0.45 0.44 0.43 0.42
0.6 0.74 0.79 0.73 0.69 0.67 0.64 0.62 0.61 0.59
0.7 0.87 1.05 0.97 0.92 0.89 0.85 0.82 0.81 0.79
0.8 0.99 1.34 1.24 1.18 1.13 1.08 1.05 1.03 1.01
0.9 1.12 1.67 1.54 1.46 1.41 1.35 1.31 1.28 1.26
1.0 1.24 2.03 1.87 1.78 1.71 1.64 1.59 1.56 1.53
1.1 1.36 2.42 2.23 2.12 2.04 1.95 1.90 1.86 1.82
1.2 1.49 2.84 2.62 2.49 2.40 2.29 2.23 2.18 2.14
1.3 1.61 3.29 3.04 2.89 2.78 2.66 2.58 2.53 2.48
1.4 1.74 3.77 3.48 3.31 3.19 3.05 2.96 2.90 2.85
1.5 1.86 4.29 3.96 3.76 3.63 3.46 3.36 3.30 3.23
1.6 1.98 4.83 4.46 4.24 4.09 3.90 3.79 3.72 3.64
1.7 2.11 5.41 4.99 4.74 4.57 4.37 4.24 4.16 4.08
1.8 2.23 6.01 5.55 5.27 5.08 4.85 4.71 4.62 4.53
1.9 2.36 6.64 6.13 5.82 5.62 5.36 5.21 5.11 5.01
2.0 2.48 7.30 6.74 6.40 6.18 5.90 5.73 5.62 5.50
2.1 2.60 7.99 7.38 7.01 6.76 6.45 6.27 6.15 6.02
2.2 2.73 8.71 8.04 7.64 7.37 7.03 6.83 6.70 6.57
2.3 2.85 9.46 8.73 8.29 8.00 7.64 7.42 7.27 7.13
2.4 2.98 10.23 9.44 8.97 8.66 8.26 8.03 7.87 7.71
2.5 3.10 11.03 10.18 9.68 9.34 8.91 8.66 8.49 8.32
3.0 3.72 15.46 14.27 13.56 13.08 12.49 12.13 11.89 11.65
3.5 4.34 20.56 18.98 18.03 17.40 16.61 16.13 15.82 15.50
4.0 4.96 26.32 24.30 23.08 22.27 21.26 20.65 20.25 19.84
4.5 5.58 32.73 30.21 28.70 27.70 26.44 25.68 25.18 24.67
5.0 6.20 39.78 36.72 34.88 33.66 32.13 31.21 30.60 29.98
5.5 6.82 47.45 43.80 41.61 40.15 38.32 37.23 36.50 35.77
6.0 7.44 55.73 51.44 48.87 47.16 45.01 43.73 42.87 42.01
6.5 8.06 64.63 59.66 56.67 54.68 52.20 50.71 49.71 48.72
7.0 8.68 74.12 68.42 65.00 62.72 59.87 58.16 57.02 55.88
7.5 9.30 84.21 77.74 73.85 71.26 68.02 66.08 64.78 63.48
8.0 9.92 94.89 87.59 83.21 80.29 76.65 74.46 73.00 71.54
8.5 10.54 106.16 97.99 93.09 89.82 85.74 83.29 81.66 80.03
8
Pressure Loss Tables
Pressure Loss Per 100 Feet 5⁄8" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.2 0.25 0.11 0.10 0.10 0.09 0.09 0.09 0.09 0.08
0.3 0.37 0.23 0.22 0.21 0.20 0.19 0.18 0.18 0.18
0.4 0.50 0.40 0.37 0.35 0.34 0.32 0.31 0.31 0.30
0.5 0.62 0.60 0.56 0.53 0.51 0.49 0.47 0.46 0.45
0.6 0.74 0.84 0.78 0.74 0.71 0.68 0.66 0.65 0.64
0.7 0.87 1.12 1.04 0.98 0.95 0.91 0.88 0.86 0.85
0.8 0.99 1.44 1.33 1.26 1.22 1.16 1.13 1.11 1.08
0.9 1.12 1.79 1.65 1.57 1.51 1.44 1.40 1.38 1.35
1.0 1.24 2.17 2.01 1.91 1.84 1.75 1.70 1.67 1.64
1.1 1.36 2.59 2.39 2.27 2.19 2.09 2.03 1.99 1.95
1.2 1.49 3.04 2.81 2.67 2.58 2.46 2.39 2.34 2.29
1.3 1.61 3.53 3.26 3.10 2.99 2.85 2.77 2.72 2.66
1.4 1.74 4.05 3.74 3.55 3.43 3.27 3.18 3.11 3.05
1.5 1.86 4.60 4.25 4.03 3.89 3.72 3.61 3.54 3.47
1.6 1.98 5.18 4.78 4.55 4.39 4.19 4.07 3.99 3.91
1.7 2.11 5.80 5.35 5.08 4.91 4.68 4.55 4.46 4.37
1.8 2.23 6.44 5.95 5.65 5.45 5.21 5.06 4.96 4.86
1.9 2.36 7.12 6.57 6.25 6.03 5.75 5.59 5.48 5.37
2.0 2.48 7.83 7.23 6.87 6.63 6.33 6.14 6.02 5.90
2.1 2.60 8.57 7.91 7.52 7.25 6.92 6.73 6.59 6.46
2.2 2.73 9.34 8.62 8.19 7.90 7.55 7.33 7.19 7.04
2.3 2.85 10.14 9.36 8.89 8.58 8.19 7.96 7.80 7.65
2.4 2.98 10.97 10.13 9.62 9.29 8.86 8.61 8.44 8.27
2.5 3.10 11.83 10.92 10.38 10.01 9.56 9.29 9.10 8.92
3.0 3.72 16.58 15.31 14.54 14.03 13.39 13.01 12.76 12.50
3.5 4.34 22.05 20.36 19.34 18.66 17.81 17.30 16.96 16.62
4.0 4.96 28.23 26.06 24.76 23.89 22.80 22.15 21.72 21.28
4.5 5.58 35.11 32.41 30.79 29.71 28.36 27.55 27.01 26.47
5.0 6.20 42.66 39.38 37.41 36.10 34.46 33.47 32.82 32.16
5.5 6.82 50.89 46.97 44.63 43.06 41.10 39.93 39.15 38.36
6.0 7.44 59.78 55.18 52.42 50.58 48.28 46.90 45.98 45.06
6.5 8.06 69.32 63.99 60.79 58.65 55.99 54.39 53.32 52.25
7.0 8.68 79.50 73.39 69.72 67.27 64.21 62.38 61.16 59.93
7.5 9.30 90.33 83.38 79.21 76.43 72.96 70.87 69.48 68.09
8.0 9.92 101.78 93.95 89.25 86.12 82.21 79.86 78.29 76.73
8.5 10.54 113.86 105.10 99.85 96.34 91.96 89.34 87.59 85.83
Pressure Loss Per 100 Feet 5⁄8" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.2 0.25 0.12 0.11 0.10 0.10 0.09 0.09 0.09 0.09
0.3 0.37 0.25 0.23 0.22 0.21 0.20 0.19 0.19 0.19
0.4 0.50 0.42 0.39 0.37 0.36 0.34 0.33 0.32 0.32
0.5 0.62 0.63 0.59 0.56 0.54 0.51 0.50 0.49 0.48
0.6 0.74 0.89 0.82 0.78 0.75 0.72 0.70 0.68 0.67
0.7 0.87 1.18 1.09 1.04 1.00 0.95 0.93 0.91 0.89
0.8 0.99 1.51 1.40 1.33 1.28 1.22 1.19 1.16 1.14
0.9 1.12 1.88 1.74 1.65 1.59 1.52 1.48 1.45 1.42
1.0 1.24 2.29 2.11 2.01 1.93 1.85 1.79 1.76 1.72
1.1 1.36 2.73 2.52 2.39 2.31 2.20 2.14 2.10 2.06
1.2 1.49 3.20 2.96 2.81 2.71 2.59 2.51 2.46 2.42
1.3 1.61 3.72 3.43 3.26 3.14 3.00 2.92 2.86 2.80
1.4 1.74 4.26 3.93 3.74 3.61 3.44 3.34 3.28 3.21
1.5 1.86 4.84 4.47 4.25 4.10 3.91 3.80 3.72 3.65
1.6 1.98 5.46 5.04 4.78 4.62 4.41 4.28 4.20 4.11
1.7 2.11 6.10 5.63 5.35 5.16 4.93 4.79 4.69 4.60
1.8 2.23 6.78 6.26 5.95 5.74 5.48 5.32 5.22 5.11
1.9 2.36 7.50 6.92 6.57 6.34 6.06 5.88 5.77 5.65
2.0 2.48 8.24 7.61 7.23 6.98 6.66 6.47 6.34 6.21
2.1 2.60 9.02 8.33 7.91 7.63 7.29 7.08 6.94 6.80
2.2 2.73 9.83 9.08 8.62 8.32 7.94 7.72 7.56 7.41
2.3 2.85 10.68 9.86 9.36 9.03 8.62 8.38 8.21 8.05
2.4 2.98 11.55 10.66 10.13 9.77 9.33 9.06 8.89 8.71
2.5 3.10 12.46 11.50 10.92 10.54 10.06 9.77 9.58 9.39
3.0 3.72 17.45 16.11 15.31 14.77 14.10 13.69 13.43 13.16
3.5 4.34 23.21 21.43 20.36 19.64 18.75 18.21 17.86 17.50
4.0 4.96 29.72 27.43 26.06 25.15 24.00 23.32 22.86 22.40
4.5 5.58 36.95 34.11 32.41 31.27 29.85 29.00 28.43 27.86
5.0 6.20 44.91 41.45 39.38 38.00 36.27 35.24 34.54 33.85
5.5 6.82 53.57 49.45 46.97 45.33 43.27 42.03 41.21 40.38
6.0 7.44 62.92 58.08 55.18 53.24 50.82 49.37 48.40 47.43
6.5 8.06 72.97 67.35 63.99 61.74 58.93 57.25 56.13 55.00
7.0 8.68 83.69 77.25 73.39 70.81 67.59 65.66 64.37 63.09
7.5 9.30 95.08 87.77 83.38 80.45 76.80 74.60 73.14 71.68
8.0 9.92 107.14 98.90 93.95 90.66 86.53 84.06 82.41 80.77
8.5 10.54 119.85 110.63 105.10 101.41 96.81 94.04 92.20 90.35
9
Pressure Loss Tables
Pressure Loss Per 100 Feet 3⁄4" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.4 0.36 0.14 0.13 0.12 0.12 0.11 0.11 0.11 0.11
0.5 0.45 0.21 0.20 0.19 0.18 0.17 0.17 0.16 0.16
0.6 0.54 0.30 0.27 0.26 0.25 0.24 0.23 0.23 0.22
0.7 0.64 0.40 0.36 0.35 0.33 0.32 0.31 0.30 0.30
0.8 0.73 0.51 0.47 0.44 0.43 0.41 0.40 0.39 0.38
0.9 0.82 0.63 0.58 0.55 0.53 0.51 0.49 0.48 0.47
1.0 0.91 0.76 0.71 0.67 0.65 0.62 0.60 0.59 0.58
1.1 1.00 0.91 0.84 0.80 0.77 0.74 0.72 0.70 0.69
1.2 1.09 1.07 0.99 0.94 0.91 0.86 0.84 0.82 0.81
1.3 1.18 1.24 1.15 1.09 1.05 1.00 0.97 0.96 0.94
1.4 1.27 1.42 1.31 1.25 1.20 1.15 1.12 1.10 1.07
1.5 1.36 1.62 1.49 1.42 1.37 1.31 1.27 1.24 1.22
1.6 1.45 1.82 1.68 1.60 1.54 1.47 1.43 1.40 1.37
1.7 1.54 2.04 1.88 1.79 1.73 1.65 1.60 1.57 1.54
1.8 1.63 2.27 2.09 1.99 1.92 1.83 1.78 1.74 1.71
1.9 1.72 2.51 2.31 2.20 2.12 2.02 1.97 1.93 1.89
2.0 1.81 2.75 2.54 2.42 2.33 2.22 2.16 2.12 2.08
2.1 1.91 3.01 2.78 2.64 2.55 2.44 2.37 2.32 2.27
2.2 2.00 3.29 3.03 2.88 2.78 2.65 2.58 2.53 2.48
2.3 2.09 3.57 3.29 3.13 3.02 2.88 2.80 2.74 2.69
2.4 2.18 3.86 3.56 3.38 3.27 3.12 3.03 2.97 2.91
2.5 2.27 4.16 3.84 3.65 3.52 3.36 3.27 3.20 3.14
3.0 2.72 5.83 5.38 5.11 4.94 4.71 4.58 4.49 4.40
3.5 3.18 7.76 7.16 6.80 6.56 6.27 6.09 5.97 5.85
4.0 3.63 9.93 9.17 8.71 8.40 8.02 7.79 7.64 7.49
4.5 4.08 12.35 11.40 10.83 10.45 9.97 9.69 9.50 9.31
5.0 4.54 15.01 13.85 13.16 12.70 12.12 11.77 11.54 11.31
5.5 4.99 17.90 16.52 15.70 15.15 14.46 14.04 13.77 13.49
6.0 5.44 21.03 19.41 18.44 17.79 16.98 16.50 16.17 15.85
6.5 5.90 24.38 22.51 21.38 20.63 19.69 19.13 18.75 18.38
7.0 6.35 27.96 25.81 24.52 23.66 22.59 21.94 21.51 21.08
7.5 6.80 31.77 29.33 27.86 26.88 25.66 24.93 24.44 23.95
8.0 7.26 35.80 33.05 31.39 30.29 28.92 28.09 27.54 26.99
8.5 7.71 40.05 36.97 35.12 33.89 32.35 31.42 30.81 30.19
9.0 8.17 44.52 41.09 39.04 37.67 35.96 34.93 34.24 33.56
9.5 8.62 49.20 45.41 43.14 41.63 39.74 38.60 37.85 37.09
10.0 9.07 54.10 49.93 47.44 45.77 43.69 42.44 41.61 40.78
10.5 9.53 59.21 54.65 51.92 50.10 47.82 46.45 45.54 44.63
11.0 9.98 64.53 59.56 56.59 54.60 52.12 50.63 49.64 48.64
11.5 10.43 70.06 64.67 61.44 59.28 56.59 54.97 53.89 52.81
Pressure Loss Per 100 Feet 3⁄4" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.4 0.36 0.17 0.16 0.15 0.15 0.14 0.14 0.13 0.13
0.5 0.45 0.26 0.24 0.23 0.22 0.21 0.21 0.20 0.20
0.6 0.54 0.37 0.34 0.32 0.31 0.30 0.29 0.28 0.28
0.7 0.64 0.49 0.45 0.43 0.41 0.40 0.38 0.38 0.37
0.8 0.73 0.63 0.58 0.55 0.53 0.51 0.49 0.48 0.47
0.9 0.82 0.78 0.72 0.68 0.66 0.63 0.61 0.60 0.59
1.0 0.91 0.95 0.87 0.83 0.80 0.77 0.74 0.73 0.71
1.1 1.00 1.13 1.04 0.99 0.96 0.91 0.89 0.87 0.85
1.2 1.09 1.33 1.23 1.16 1.12 1.07 1.04 1.02 1.00
1.3 1.18 1.54 1.42 1.35 1.30 1.24 1.21 1.18 1.16
1.4 1.27 1.77 1.63 1.55 1.49 1.43 1.39 1.36 1.33
1.5 1.36 2.01 1.85 1.76 1.70 1.62 1.57 1.54 1.51
1.6 1.45 2.26 2.09 1.98 1.91 1.83 1.77 1.74 1.70
1.7 1.54 2.53 2.33 2.22 2.14 2.04 1.98 1.95 1.91
1.8 1.63 2.81 2.59 2.46 2.38 2.27 2.21 2.16 2.12
1.9 1.72 3.11 2.87 2.72 2.63 2.51 2.44 2.39 2.34
2.0 1.81 3.42 3.15 3.00 2.89 2.76 2.68 2.63 2.57
2.1 1.91 3.74 3.45 3.28 3.16 3.02 2.93 2.88 2.82
2.2 2.00 4.07 3.76 3.57 3.45 3.29 3.20 3.13 3.07
2.3 2.09 4.42 4.08 3.88 3.74 3.57 3.47 3.40 3.33
2.4 2.18 4.79 4.42 4.20 4.05 3.87 3.76 3.68 3.61
2.5 2.27 5.16 4.76 4.53 4.37 4.17 4.05 3.97 3.89
3.0 2.72 7.23 6.68 6.34 6.12 5.84 5.67 5.56 5.45
3.5 3.18 9.62 8.88 8.43 8.14 7.77 7.55 7.40 7.25
4.0 3.63 12.31 11.37 10.80 10.42 9.95 9.66 9.47 9.28
4.5 4.08 15.31 14.13 13.43 12.96 12.37 12.01 11.78 11.54
5.0 4.54 18.61 17.18 16.32 15.74 15.03 14.60 14.31 14.03
5.5 4.99 22.20 20.49 19.46 18.78 17.93 17.41 17.07 16.73
6.0 5.44 26.07 24.07 22.86 22.06 21.06 20.46 20.06 19.65
6.5 5.90 30.23 27.91 26.51 25.58 24.42 23.72 23.26 22.79
7.0 6.35 34.68 32.01 30.41 29.34 28.01 27.21 26.67 26.14
7.5 6.80 39.40 36.37 34.55 33.34 31.82 30.91 30.30 29.70
8.0 7.26 44.39 40.98 38.93 37.56 35.86 34.83 34.15 33.46
8.5 7.71 49.66 45.84 43.55 42.02 40.11 38.96 38.20 37.44
9.0 8.17 55.20 50.95 48.41 46.71 44.58 43.31 42.46 41.61
9.5 8.62 61.01 56.31 53.50 51.62 49.27 47.87 46.93 45.99
10.0 9.07 67.08 61.92 58.82 56.76 54.18 52.63 51.60 50.57
10.5 9.53 73.42 67.77 64.38 62.12 59.30 57.60 56.47 55.34
11.0 9.98 80.01 73.86 70.17 67.70 64.63 62.78 61.55 60.32
11.5 10.43 86.87 80.19 76.18 73.51 70.17 68.16 66.82 65.49
10
Pressure Loss Tables
Pressure Loss Per 100 Feet 3⁄4" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.4 0.36 0.19 0.17 0.16 0.16 0.15 0.15 0.14 0.14
0.5 0.45 0.28 0.26 0.25 0.24 0.23 0.22 0.22 0.21
0.6 0.54 0.40 0.36 0.35 0.33 0.32 0.31 0.30 0.30
0.7 0.64 0.53 0.48 0.46 0.44 0.42 0.41 0.40 0.40
0.8 0.73 0.67 0.62 0.59 0.57 0.54 0.53 0.52 0.51
0.9 0.82 0.84 0.77 0.73 0.71 0.68 0.66 0.64 0.63
1.0 0.91 1.02 0.94 0.89 0.86 0.82 0.80 0.78 0.77
1.1 1.00 1.21 1.12 1.06 1.03 0.98 0.95 0.93 0.91
1.2 1.09 1.42 1.31 1.25 1.20 1.15 1.12 1.10 1.07
1.3 1.18 1.65 1.52 1.45 1.40 1.33 1.30 1.27 1.24
1.4 1.27 1.89 1.75 1.66 1.60 1.53 1.49 1.46 1.43
1.5 1.36 2.15 1.99 1.89 1.82 1.74 1.69 1.66 1.62
1.6 1.45 2.42 2.24 2.13 2.05 1.96 1.90 1.87 1.83
1.7 1.54 2.71 2.50 2.38 2.30 2.19 2.13 2.09 2.04
1.8 1.63 3.01 2.78 2.64 2.55 2.44 2.37 2.32 2.27
1.9 1.72 3.33 3.08 2.92 2.82 2.69 2.61 2.56 2.51
2.0 1.81 3.66 3.38 3.21 3.10 2.96 2.87 2.82 2.76
2.1 1.91 4.01 3.70 3.52 3.39 3.24 3.15 3.08 3.02
2.2 2.00 4.37 4.03 3.83 3.70 3.53 3.43 3.36 3.29
2.3 2.09 4.74 4.38 4.16 4.01 3.83 3.72 3.65 3.58
2.4 2.18 5.13 4.74 4.50 4.34 4.15 4.03 3.95 3.87
2.5 2.27 5.54 5.11 4.85 4.68 4.47 4.34 4.26 4.17
3.0 2.72 7.76 7.16 6.80 6.56 6.27 6.09 5.97 5.85
3.5 3.18 10.32 9.52 9.05 8.73 8.33 8.09 7.94 7.78
4.0 3.63 13.21 12.19 11.58 11.18 10.67 10.36 10.16 9.96
4.5 4.08 16.42 15.16 14.40 13.90 13.27 12.89 12.63 12.38
5.0 4.54 19.96 18.42 17.50 16.89 16.12 15.66 15.35 15.05
5.5 4.99 23.81 21.97 20.88 20.14 19.23 18.68 18.31 17.95
6.0 5.44 27.96 25.81 24.52 23.66 22.59 21.94 21.51 21.08
6.5 5.90 32.43 29.93 28.44 27.44 26.19 25.44 24.94 24.45
7.0 6.35 37.19 34.33 32.61 31.47 30.04 29.18 28.61 28.04
7.5 6.80 42.26 39.00 37.05 35.75 34.13 33.15 32.50 31.85
8.0 7.26 47.61 43.95 41.75 40.29 38.46 37.36 36.63 35.89
8.5 7.71 53.27 49.17 46.71 45.07 43.02 41.79 40.97 40.15
9.0 8.17 59.21 54.65 51.92 50.10 47.82 46.45 45.54 44.63
9.5 8.62 65.43 60.40 57.38 55.37 52.85 51.34 50.33 49.33
10.0 9.07 71.95 66.41 63.09 60.88 58.11 56.45 55.34 54.24
10.5 9.53 78.74 72.69 69.05 66.63 63.60 61.78 60.57 59.36
11.0 9.98 85.82 79.22 75.26 72.62 69.32 67.34 66.02 64.70
11.5 10.43 93.18 86.01 81.71 78.84 75.26 73.11 71.67 70.24
Pressure Loss Per 100 Feet 3⁄4" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.4 0.36 0.20 0.18 0.17 0.17 0.16 0.15 0.15 0.15
0.5 0.45 0.30 0.27 0.26 0.25 0.24 0.23 0.23 0.22
0.6 0.54 0.42 0.38 0.36 0.35 0.34 0.33 0.32 0.31
0.7 0.64 0.55 0.51 0.48 0.47 0.45 0.43 0.43 0.42
0.8 0.73 0.71 0.65 0.62 0.60 0.57 0.56 0.54 0.53
0.9 0.82 0.88 0.81 0.77 0.74 0.71 0.69 0.68 0.66
1.0 0.91 1.07 0.99 0.94 0.91 0.86 0.84 0.82 0.81
1.1 1.00 1.28 1.18 1.12 1.08 1.03 1.00 0.98 0.96
1.2 1.09 1.50 1.38 1.31 1.27 1.21 1.18 1.15 1.13
1.3 1.18 1.74 1.60 1.52 1.47 1.40 1.36 1.34 1.31
1.4 1.27 1.99 1.84 1.75 1.69 1.61 1.56 1.53 1.50
1.5 1.36 2.26 2.09 1.99 1.92 1.83 1.78 1.74 1.71
1.6 1.45 2.55 2.36 2.24 2.16 2.06 2.00 1.96 1.92
1.7 1.54 2.86 2.64 2.50 2.42 2.31 2.24 2.20 2.15
1.8 1.63 3.17 2.93 2.78 2.69 2.56 2.49 2.44 2.39
1.9 1.72 3.51 3.24 3.08 2.97 2.83 2.75 2.70 2.64
2.0 1.81 3.86 3.56 3.38 3.26 3.11 3.03 2.97 2.91
2.1 1.91 4.22 3.90 3.70 3.57 3.41 3.31 3.25 3.18
2.2 2.00 4.60 4.25 4.03 3.89 3.72 3.61 3.54 3.47
2.3 2.09 4.99 4.61 4.38 4.23 4.03 3.92 3.84 3.77
2.4 2.18 5.40 4.99 4.74 4.57 4.36 4.24 4.16 4.07
2.5 2.27 5.83 5.38 5.11 4.93 4.71 4.57 4.48 4.39
3.0 2.72 8.17 7.54 7.16 6.91 6.60 6.41 6.28 6.16
3.5 3.18 10.86 10.02 9.52 9.19 8.77 8.52 8.35 8.19
4.0 3.63 13.90 12.83 12.19 11.76 11.23 10.91 10.69 10.48
4.5 4.08 17.29 15.96 15.16 14.63 13.96 13.56 13.30 13.03
5.0 4.54 21.01 19.39 18.42 17.78 16.97 16.48 16.16 15.84
5.5 4.99 25.06 23.13 21.97 21.20 20.24 19.66 19.28 18.89
6.0 5.44 29.44 27.17 25.81 24.91 23.78 23.10 22.64 22.19
6.5 5.90 34.13 31.51 29.93 28.88 27.57 26.78 26.26 25.73
7.0 6.35 39.15 36.14 34.33 33.13 31.62 30.72 30.12 29.51
7.5 6.80 44.48 41.06 39.00 37.64 35.93 34.90 34.21 33.53
8.0 7.26 50.12 46.26 43.95 42.41 40.48 39.32 38.55 37.78
8.5 7.71 56.07 51.76 49.17 47.44 45.29 43.99 43.13 42.27
9.0 8.17 62.32 57.53 54.65 52.73 50.34 48.90 47.94 46.98
9.5 8.62 68.88 63.58 60.40 58.28 55.63 54.04 52.98 51.92
10.0 9.07 75.73 69.91 66.41 64.08 61.17 59.42 58.26 57.09
10.5 9.53 82.89 76.51 72.69 70.14 66.95 65.04 63.76 62.49
11.0 9.98 90.34 83.39 79.22 76.44 72.97 70.88 69.49 68.10
11.5 10.43 98.08 90.54 86.01 82.99 79.22 76.96 75.45 73.94
11
Pressure Loss Tables
Pressure Loss Per 100 Feet 1" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.5 0.27 0.06 0.06 0.05 0.05 0.05 0.05 0.05 0.05
0.6 0.33 0.09 0.08 0.08 0.07 0.07 0.07 0.07 0.07
0.7 0.38 0.12 0.11 0.10 0.10 0.09 0.09 0.09 0.09
0.8 0.44 0.15 0.14 0.13 0.13 0.12 0.12 0.11 0.11
0.9 0.49 0.19 0.17 0.16 0.16 0.15 0.15 0.14 0.14
1.0 0.55 0.23 0.21 0.20 0.19 0.18 0.18 0.17 0.17
1.1 0.60 0.27 0.25 0.24 0.23 0.22 0.21 0.21 0.20
1.2 0.66 0.32 0.29 0.28 0.27 0.26 0.25 0.24 0.24
1.3 0.71 0.37 0.34 0.32 0.31 0.30 0.29 0.28 0.28
1.4 0.77 0.42 0.39 0.37 0.36 0.34 0.33 0.32 0.32
1.5 0.82 0.48 0.44 0.42 0.40 0.39 0.38 0.37 0.36
2.0 1.10 0.81 0.75 0.71 0.69 0.66 0.64 0.63 0.61
2.5 1.37 1.23 1.14 1.08 1.04 0.99 0.97 0.95 0.93
3.0 1.65 1.72 1.59 1.51 1.46 1.39 1.35 1.33 1.30
3.5 1.92 2.29 2.12 2.01 1.94 1.85 1.80 1.76 1.73
4.0 2.20 2.94 2.71 2.57 2.48 2.37 2.30 2.26 2.21
4.5 2.47 3.65 3.37 3.20 3.09 2.95 2.86 2.81 2.75
5.0 2.75 4.44 4.09 3.89 3.75 3.58 3.48 3.41 3.34
6.0 3.30 6.22 5.74 5.45 5.26 5.02 4.88 4.78 4.69
7.0 3.85 8.27 7.63 7.25 6.99 6.68 6.49 6.36 6.23
8.0 4.40 10.58 9.77 9.28 8.95 8.55 8.30 8.14 7.98
9.0 4.95 13.16 12.15 11.54 11.13 10.63 10.32 10.12 9.92
10.0 5.50 15.99 14.76 14.02 13.53 12.92 12.55 12.30 12.05
11.0 6.05 19.07 17.61 16.73 16.14 15.41 14.97 14.67 14.38
12.0 6.60 22.41 20.68 19.65 18.96 18.10 17.58 17.24 16.89
13.0 7.15 25.98 23.98 22.78 21.98 20.99 20.39 19.99 19.59
14.0 7.70 29.80 27.51 26.13 25.22 24.07 23.38 22.92 22.46
15.0 8.25 33.86 31.25 29.69 28.65 27.35 26.56 26.04 25.52
16.0 8.80 38.15 35.22 33.45 32.28 30.81 29.93 29.35 28.76
17.0 9.35 42.68 39.40 37.43 36.11 34.47 33.49 32.83 32.17
18.0 9.90 47.44 43.79 41.60 40.14 38.32 37.22 36.49 35.76
19.0 10.45 52.43 48.40 45.98 44.36 42.35 41.14 40.33 39.52
20.0 11.00 57.65 53.21 50.55 48.78 46.56 45.23 44.34 43.46
Pressure Loss Per 100 Feet 1" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.5 0.27 0.08 0.07 0.07 0.07 0.06 0.06 0.06 0.06
0.6 0.33 0.11 0.10 0.10 0.09 0.09 0.09 0.08 0.08
0.7 0.38 0.14 0.13 0.13 0.12 0.12 0.11 0.11 0.11
0.8 0.44 0.19 0.17 0.16 0.16 0.15 0.15 0.14 0.14
0.9 0.49 0.23 0.21 0.20 0.20 0.19 0.18 0.18 0.17
1.0 0.55 0.28 0.26 0.25 0.24 0.23 0.22 0.22 0.21
1.1 0.60 0.33 0.31 0.29 0.28 0.27 0.26 0.26 0.25
1.2 0.66 0.39 0.36 0.34 0.33 0.32 0.31 0.30 0.30
1.3 0.71 0.46 0.42 0.40 0.39 0.37 0.36 0.35 0.34
1.4 0.77 0.52 0.48 0.46 0.44 0.42 0.41 0.40 0.39
1.5 0.82 0.59 0.55 0.52 0.50 0.48 0.47 0.46 0.45
2.0 1.10 1.01 0.93 0.89 0.85 0.82 0.79 0.78 0.76
2.5 1.37 1.53 1.41 1.34 1.29 1.23 1.20 1.17 1.15
3.0 1.65 2.14 1.97 1.87 1.81 1.73 1.68 1.64 1.61
3.5 1.92 2.84 2.62 2.49 2.41 2.30 2.23 2.19 2.14
4.0 2.20 3.64 3.36 3.19 3.08 2.94 2.86 2.80 2.74
4.5 2.47 4.53 4.18 3.97 3.83 3.66 3.55 3.48 3.41
5.0 2.75 5.50 5.08 4.82 4.65 4.44 4.32 4.23 4.15
6.0 3.30 7.71 7.11 6.76 6.52 6.22 6.05 5.93 5.81
7.0 3.85 10.25 9.46 8.99 8.67 8.28 8.04 7.88 7.73
8.0 4.40 13.12 12.11 11.51 11.10 10.60 10.30 10.09 9.89
9.0 4.95 16.32 15.06 14.31 13.81 13.18 12.80 12.55 12.30
10.0 5.50 19.83 18.30 17.39 16.78 16.02 15.56 15.25 14.95
11.0 6.05 23.65 21.83 20.74 20.01 19.10 18.56 18.19 17.83
12.0 6.60 27.78 25.65 24.36 23.51 22.44 21.80 21.37 20.94
13.0 7.15 32.22 29.74 28.25 27.26 26.02 25.28 24.78 24.29
14.0 7.70 36.95 34.11 32.40 31.27 29.85 28.99 28.42 27.86
15.0 8.25 41.98 38.75 36.82 35.52 33.91 32.94 32.29 31.65
16.0 8.80 47.31 43.67 41.48 40.03 38.21 37.12 36.39 35.66
17.0 9.35 52.92 48.85 46.41 44.78 42.74 41.52 40.71 39.89
18.0 9.90 58.82 54.30 51.58 49.77 47.51 46.15 45.25 44.34
19.0 10.45 65.01 60.01 57.01 55.01 52.51 51.01 50.01 49.01
20.0 11.00 71.48 65.98 62.68 60.49 57.74 56.09 54.99 53.89
12
Pressure Loss Tables
Pressure Loss Per 100 Feet 1" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.5 0.27 0.08 0.08 0.07 0.07 0.07 0.07 0.06 0.06
0.6 0.33 0.12 0.11 0.10 0.10 0.09 0.09 0.09 0.09
0.7 0.38 0.16 0.14 0.14 0.13 0.13 0.12 0.12 0.12
0.8 0.44 0.20 0.18 0.17 0.17 0.16 0.16 0.15 0.15
0.9 0.49 0.25 0.23 0.22 0.21 0.20 0.19 0.19 0.19
1.0 0.55 0.30 0.28 0.26 0.25 0.24 0.24 0.23 0.23
1.1 0.60 0.36 0.33 0.31 0.30 0.29 0.28 0.28 0.27
1.2 0.66 0.42 0.39 0.37 0.36 0.34 0.33 0.32 0.32
1.3 0.71 0.49 0.45 0.43 0.41 0.39 0.38 0.38 0.37
1.4 0.77 0.56 0.52 0.49 0.47 0.45 0.44 0.43 0.42
1.5 0.82 0.64 0.59 0.56 0.54 0.51 0.50 0.49 0.48
2.0 1.10 1.08 1.00 0.95 0.92 0.87 0.85 0.83 0.82
2.5 1.37 1.64 1.51 1.44 1.38 1.32 1.28 1.26 1.23
3.0 1.65 2.29 2.12 2.01 1.94 1.85 1.80 1.76 1.73
3.5 1.92 3.05 2.82 2.67 2.58 2.46 2.39 2.35 2.30
4.0 2.20 3.90 3.60 3.42 3.30 3.15 3.06 3.00 2.94
4.5 2.47 4.85 4.48 4.26 4.11 3.92 3.81 3.73 3.66
5.0 2.75 5.90 5.45 5.17 4.99 4.77 4.63 4.54 4.45
6.0 3.30 8.27 7.63 7.25 6.99 6.68 6.49 6.36 6.23
7.0 3.85 10.99 10.15 9.64 9.30 8.88 8.63 8.46 8.29
8.0 4.40 14.07 12.99 12.34 11.91 11.37 11.04 10.83 10.61
9.0 4.95 17.50 16.16 15.35 14.81 14.14 13.73 13.46 13.19
10.0 5.50 21.27 19.63 18.65 18.00 17.18 16.69 16.36 16.03
11.0 6.05 25.37 23.42 22.25 21.47 20.49 19.90 19.51 19.12
12.0 6.60 29.80 27.51 26.13 25.22 24.07 23.38 22.92 22.46
13.0 7.15 34.56 31.90 30.30 29.24 27.91 27.11 26.58 26.05
14.0 7.70 39.63 36.58 34.76 33.54 32.01 31.10 30.49 29.88
15.0 8.25 45.03 41.57 39.49 38.10 36.37 35.33 34.64 33.95
16.0 8.80 50.74 46.84 44.49 42.93 40.98 39.81 39.03 38.25
17.0 9.35 56.76 52.40 49.78 48.03 45.85 44.54 43.66 42.79
18.0 9.90 63.09 58.24 55.33 53.39 50.96 49.50 48.53 47.56
19.0 10.45 69.73 64.37 61.15 59.00 56.32 54.71 53.64 52.57
20.0 11.00 76.67 70.77 67.23 64.88 61.93 60.16 58.98 57.80
Pressure Loss Per 100 Feet 1" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.5 0.27 0.09 0.08 0.08 0.07 0.07 0.07 0.07 0.07
0.6 0.33 0.12 0.11 0.11 0.10 0.10 0.10 0.09 0.09
0.7 0.38 0.16 0.15 0.14 0.14 0.13 0.13 0.13 0.12
0.8 0.44 0.21 0.19 0.18 0.18 0.17 0.16 0.16 0.16
0.9 0.49 0.26 0.24 0.23 0.22 0.21 0.20 0.20 0.20
1.0 0.55 0.32 0.29 0.28 0.27 0.26 0.25 0.24 0.24
1.1 0.60 0.38 0.35 0.33 0.32 0.30 0.30 0.29 0.28
1.2 0.66 0.44 0.41 0.39 0.37 0.36 0.35 0.34 0.33
1.3 0.71 0.51 0.47 0.45 0.43 0.41 0.40 0.40 0.39
1.4 0.77 0.59 0.54 0.52 0.50 0.48 0.46 0.45 0.44
1.5 0.82 0.67 0.62 0.59 0.57 0.54 0.53 0.52 0.50
2.0 1.10 1.14 1.05 1.00 0.96 0.92 0.89 0.88 0.86
2.5 1.37 1.72 1.59 1.51 1.46 1.39 1.35 1.33 1.30
3.0 1.65 2.41 2.23 2.12 2.04 1.95 1.89 1.86 1.82
3.5 1.92 3.21 2.96 2.82 2.72 2.59 2.52 2.47 2.42
4.0 2.20 4.11 3.79 3.60 3.48 3.32 3.22 3.16 3.10
4.5 2.47 5.11 4.72 4.48 4.32 4.13 4.01 3.93 3.85
5.0 2.75 6.21 5.73 5.45 5.25 5.02 4.87 4.78 4.68
6.0 3.30 8.70 8.03 7.63 7.36 7.03 6.83 6.69 6.56
7.0 3.85 11.57 10.68 10.15 9.79 9.35 9.08 8.90 8.72
8.0 4.40 14.82 13.68 12.99 12.54 11.97 11.62 11.40 11.17
9.0 4.95 18.42 17.01 16.16 15.59 14.88 14.45 14.17 13.89
10.0 5.50 22.39 20.67 19.63 18.94 18.08 17.57 17.22 16.88
11.0 6.05 26.70 24.65 23.42 22.60 21.57 20.95 20.54 20.13
12.0 6.60 31.37 28.96 27.51 26.54 25.34 24.61 24.13 23.65
13.0 7.15 36.37 33.58 31.90 30.78 29.38 28.54 27.98 27.42
14.0 7.70 41.72 38.51 36.58 35.30 33.70 32.73 32.09 31.45
15.0 8.25 47.40 43.75 41.57 40.11 38.28 37.19 36.46 35.73
16.0 8.80 53.41 49.30 46.84 45.19 43.14 41.91 41.08 40.26
17.0 9.35 59.75 55.15 52.40 50.56 48.26 46.88 45.96 45.04
18.0 9.90 66.41 61.30 58.24 56.20 53.64 52.11 51.09 50.07
19.0 10.45 73.40 67.75 64.37 62.11 59.28 57.59 56.46 55.33
20.0 11.00 80.71 74.50 70.77 68.29 65.19 63.32 62.08 60.84
13
Pressure Loss Tables
Pressure Loss Per 100 Feet 11⁄4" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
1.0 0.37 0.08 0.08 0.07 0.07 0.07 0.07 0.07 0.06
1.5 0.55 0.18 0.17 0.16 0.15 0.15 0.14 0.14 0.14
2.0 0.74 0.31 0.28 0.27 0.26 0.25 0.24 0.24 0.23
2.5 0.92 0.46 0.43 0.41 0.39 0.37 0.36 0.36 0.35
3.0 1.10 0.65 0.60 0.57 0.55 0.52 0.51 0.50 0.49
3.5 1.29 0.86 0.80 0.76 0.73 0.70 0.68 0.66 0.65
4.0 1.47 1.10 1.02 0.97 0.93 0.89 0.87 0.85 0.83
4.5 1.65 1.37 1.27 1.20 1.16 1.11 1.08 1.06 1.03
5.0 1.84 1.67 1.54 1.46 1.41 1.35 1.31 1.28 1.26
6.0 2.21 2.34 2.16 2.05 1.98 1.89 1.83 1.80 1.76
7.0 2.57 3.11 2.87 2.72 2.63 2.51 2.44 2.39 2.34
8.0 2.94 3.98 3.67 3.49 3.37 3.21 3.12 3.06 3.00
9.0 3.31 4.95 4.57 4.34 4.19 4.00 3.88 3.81 3.73
10.0 3.68 6.01 5.55 5.27 5.09 4.86 4.72 4.62 4.53
11.0 4.04 7.17 6.62 6.29 6.07 5.79 5.63 5.52 5.41
12.0 4.41 8.42 7.77 7.39 7.13 6.80 6.61 6.48 6.35
13.0 4.78 9.77 9.02 8.56 8.26 7.89 7.66 7.51 7.36
14.0 5.15 11.20 10.34 9.82 9.48 9.05 8.79 8.62 8.44
15.0 5.52 12.73 11.75 11.16 10.77 10.28 9.99 9.79 9.59
16.0 5.88 14.34 13.24 12.58 12.13 11.58 11.25 11.03 10.81
17.0 6.25 16.04 14.81 14.07 13.57 12.96 12.59 12.34 12.09
18.0 6.62 17.83 16.46 15.64 15.09 14.40 13.99 13.72 13.44
19.0 6.99 19.71 18.19 17.28 16.68 15.92 15.46 15.16 14.86
20.0 7.35 21.67 20.00 19.00 18.34 17.50 17.00 16.67 16.34
21.0 7.72 23.72 21.89 20.80 20.07 19.16 18.61 18.24 17.88
22.0 8.09 25.85 23.86 22.67 21.87 20.88 20.28 19.88 19.49
23.0 8.46 28.06 25.91 24.61 23.75 22.67 22.02 21.59 21.16
24.0 8.83 30.36 28.03 26.63 25.69 24.52 23.82 23.36 22.89
25.0 9.19 32.74 30.23 28.71 27.71 26.45 25.69 25.19 24.68
26.0 9.56 35.21 32.50 30.88 29.79 28.44 27.63 27.08 26.54
27.0 9.93 37.76 34.85 33.11 31.95 30.49 29.62 29.04 28.46
28.0 10.30 40.38 37.28 35.41 34.17 32.62 31.69 31.06 30.44
Pressure Loss Per 100 Feet 11⁄4" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
1.0 0.37 0.11 0.10 0.09 0.09 0.09 0.08 0.08 0.08
1.5 0.55 0.22 0.21 0.20 0.19 0.18 0.17 0.17 0.17
2.0 0.74 0.38 0.35 0.33 0.32 0.31 0.30 0.29 0.29
2.5 0.92 0.57 0.53 0.50 0.49 0.46 0.45 0.44 0.43
3.0 1.10 0.80 0.74 0.70 0.68 0.65 0.63 0.62 0.61
3.5 1.29 1.07 0.99 0.94 0.90 0.86 0.84 0.82 0.81
4.0 1.47 1.37 1.26 1.20 1.16 1.11 1.07 1.05 1.03
4.5 1.65 1.70 1.57 1.49 1.44 1.37 1.33 1.31 1.28
5.0 1.84 2.07 1.91 1.81 1.75 1.67 1.62 1.59 1.56
6.0 2.21 2.90 2.67 2.54 2.45 2.34 2.27 2.23 2.18
7.0 2.57 3.85 3.56 3.38 3.26 3.11 3.02 2.96 2.90
8.0 2.94 4.93 4.55 4.33 4.17 3.98 3.87 3.79 3.72
9.0 3.31 6.13 5.66 5.38 5.19 4.95 4.81 4.72 4.62
10.0 3.68 7.45 6.88 6.54 6.31 6.02 5.85 5.73 5.62
11.0 4.04 8.89 8.21 7.80 7.52 7.18 6.98 6.84 6.70
12.0 4.41 10.44 9.64 9.16 8.84 8.44 8.19 8.03 7.87
13.0 4.78 12.11 11.18 10.62 10.25 9.78 9.50 9.32 9.13
14.0 5.15 13.89 12.82 12.18 11.75 11.22 10.90 10.68 10.47
15.0 5.52 15.78 14.57 13.84 13.35 12.75 12.38 12.14 11.90
16.0 5.88 17.78 16.41 15.59 15.05 14.36 13.95 13.68 13.41
17.0 6.25 19.89 18.36 17.44 16.83 16.07 15.61 15.30 15.00
18.0 6.62 22.11 20.41 19.39 18.71 17.86 17.35 17.01 16.67
19.0 6.99 24.44 22.56 21.43 20.68 19.74 19.17 18.80 18.42
20.0 7.35 26.87 24.80 23.56 22.74 21.70 21.08 20.67 20.26
21.0 7.72 29.41 27.15 25.79 24.88 23.75 23.07 22.62 22.17
22.0 8.09 32.05 29.59 28.11 27.12 25.89 25.15 24.66 24.16
23.0 8.46 34.80 32.12 30.52 29.45 28.11 27.30 26.77 26.23
24.0 8.83 37.65 34.75 33.02 31.86 30.41 29.54 28.96 28.38
25.0 9.19 40.60 37.48 35.61 34.36 32.80 31.86 31.23 30.61
26.0 9.56 43.66 40.30 38.29 36.94 35.26 34.26 33.58 32.91
27.0 9.93 46.82 43.22 41.05 39.61 37.81 36.73 36.01 35.29
28.0 10.30 50.07 46.22 43.91 42.37 40.44 39.29 38.52 37.75
14
Pressure Loss Tables
Pressure Loss Per 100 Feet 11⁄4" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
1.0 0.37 0.11 0.10 0.10 0.10 0.09 0.09 0.09 0.09
1.5 0.55 0.24 0.22 0.21 0.20 0.19 0.19 0.18 0.18
2.0 0.74 0.41 0.38 0.36 0.34 0.33 0.32 0.31 0.31
2.5 0.92 0.62 0.57 0.54 0.52 0.50 0.48 0.47 0.46
3.0 1.10 0.86 0.80 0.76 0.73 0.70 0.68 0.66 0.65
3.5 1.29 1.15 1.06 1.01 0.97 0.93 0.90 0.88 0.86
4.0 1.47 1.47 1.35 1.29 1.24 1.19 1.15 1.13 1.11
4.5 1.65 1.82 1.68 1.60 1.54 1.47 1.43 1.40 1.38
5.0 1.84 2.22 2.05 1.94 1.88 1.79 1.74 1.71 1.67
6.0 2.21 3.11 2.87 2.72 2.63 2.51 2.44 2.39 2.34
7.0 2.57 4.13 3.81 3.62 3.50 3.34 3.24 3.18 3.12
8.0 2.94 5.29 4.88 4.64 4.48 4.27 4.15 4.07 3.99
9.0 3.31 6.58 6.07 5.77 5.57 5.31 5.16 5.06 4.96
10.0 3.68 7.99 7.38 7.01 6.76 6.46 6.27 6.15 6.03
11.0 4.04 9.54 8.80 8.36 8.07 7.70 7.48 7.34 7.19
12.0 4.41 11.20 10.34 9.82 9.48 9.05 8.79 8.62 8.44
13.0 4.78 12.99 11.99 11.39 10.99 10.49 10.19 9.99 9.79
14.0 5.15 14.90 13.75 13.06 12.61 12.03 11.69 11.46 11.23
15.0 5.52 16.93 15.62 14.84 14.32 13.67 13.28 13.02 12.76
16.0 5.88 19.07 17.61 16.73 16.14 15.41 14.97 14.67 14.38
17.0 6.25 21.34 19.70 18.71 18.05 17.23 16.74 16.41 16.08
18.0 6.62 23.72 21.89 20.80 20.07 19.16 18.61 18.24 17.88
19.0 6.99 26.21 24.20 22.99 22.18 21.17 20.57 20.16 19.76
20.0 7.35 28.82 26.60 25.27 24.39 23.28 22.61 22.17 21.73
21.0 7.72 31.54 29.12 27.66 26.69 25.48 24.75 24.26 23.78
22.0 8.09 34.38 31.73 30.15 29.09 27.77 26.97 26.45 25.92
23.0 8.46 37.33 34.45 32.73 31.58 30.15 29.29 28.71 28.14
24.0 8.83 40.38 37.28 35.41 34.17 32.62 31.69 31.06 30.44
25.0 9.19 43.55 40.20 38.19 36.85 35.18 34.17 33.50 32.83
26.0 9.56 46.83 43.23 41.06 39.62 37.82 36.74 36.02 35.30
27.0 9.93 50.21 46.35 44.03 42.49 40.56 39.40 38.63 37.85
28.0 10.30 53.71 49.58 47.10 45.45 43.38 42.14 41.31 40.49
Pressure Loss Per 100 Feet 11⁄4" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
1.0 0.37 0.12 0.11 0.10 0.10 0.10 0.09 0.09 0.09
1.5 0.55 0.25 0.23 0.22 0.21 0.20 0.20 0.19 0.19
2.0 0.74 0.43 0.40 0.38 0.36 0.35 0.34 0.33 0.32
2.5 0.92 0.65 0.60 0.57 0.55 0.52 0.51 0.50 0.49
3.0 1.10 0.91 0.84 0.80 0.77 0.73 0.71 0.70 0.68
3.5 1.29 1.21 1.11 1.06 1.02 0.97 0.95 0.93 0.91
4.0 1.47 1.54 1.43 1.35 1.31 1.25 1.21 1.19 1.16
4.5 1.65 1.92 1.77 1.68 1.63 1.55 1.51 1.48 1.45
5.0 1.84 2.33 2.15 2.05 1.98 1.89 1.83 1.80 1.76
6.0 2.21 3.27 3.02 2.87 2.77 2.64 2.57 2.52 2.47
7.0 2.57 4.35 4.02 3.81 3.68 3.51 3.41 3.35 3.28
8.0 2.94 5.57 5.14 4.88 4.71 4.50 4.37 4.28 4.20
9.0 3.31 6.93 6.39 6.07 5.86 5.59 5.43 5.33 5.22
10.0 3.68 8.42 7.77 7.38 7.12 6.80 6.60 6.47 6.34
11.0 4.04 10.04 9.27 8.80 8.49 8.11 7.88 7.72 7.57
12.0 4.41 11.79 10.88 10.34 9.98 9.52 9.25 9.07 8.89
13.0 4.78 13.67 12.62 11.99 11.57 11.04 10.73 10.52 10.31
14.0 5.15 15.68 14.48 13.75 13.27 12.67 12.30 12.06 11.82
15.0 5.52 17.82 16.45 15.62 15.08 14.39 13.98 13.71 13.43
16.0 5.88 20.08 18.53 17.61 16.99 16.22 15.75 15.44 15.14
17.0 6.25 22.46 20.73 19.70 19.00 18.14 17.62 17.28 16.93
18.0 6.62 24.97 23.04 21.89 21.12 20.16 19.59 19.20 18.82
19.0 6.99 27.59 25.47 24.20 23.35 22.29 21.65 21.22 20.80
20.0 7.35 30.34 28.00 26.60 25.67 24.50 23.80 23.34 22.87
21.0 7.72 33.20 30.65 29.12 28.10 26.82 26.05 25.54 25.03
22.0 8.09 36.19 33.40 31.73 30.62 29.23 28.39 27.84 27.28
23.0 8.46 39.29 36.27 34.45 33.25 31.73 30.83 30.22 29.62
24.0 8.83 42.51 39.24 37.28 35.97 34.33 33.35 32.70 32.04
25.0 9.19 45.84 42.32 40.20 38.79 37.03 35.97 35.26 34.56
26.0 9.56 49.29 45.50 43.23 41.71 39.81 38.68 37.92 37.16
27.0 9.93 52.86 48.79 46.35 44.73 42.69 41.47 40.66 39.85
28.0 10.30 56.54 52.19 49.58 47.84 45.66 44.36 43.49 42.62
15
Pressure Loss Tables
Pressure Loss Per 100 Feet 11⁄2" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
3.0 0.79 0.29 0.27 0.25 0.24 0.23 0.23 0.22 0.22
3.5 0.92 0.38 0.36 0.34 0.33 0.31 0.30 0.30 0.29
4.0 1.06 0.49 0.45 0.43 0.42 0.40 0.39 0.38 0.37
4.5 1.19 0.61 0.57 0.54 0.52 0.49 0.48 0.47 0.46
5.0 1.32 0.74 0.69 0.65 0.63 0.60 0.58 0.57 0.56
6.0 1.58 1.04 0.96 0.91 0.88 0.84 0.82 0.80 0.79
7.0 1.85 1.39 1.28 1.22 1.17 1.12 1.09 1.07 1.05
8.0 2.11 1.78 1.64 1.56 1.50 1.43 1.39 1.37 1.34
9.0 2.38 2.21 2.04 1.94 1.87 1.78 1.73 1.70 1.66
10.0 2.64 2.68 2.48 2.35 2.27 2.17 2.11 2.06 2.02
11.0 2.90 3.20 2.95 2.81 2.71 2.59 2.51 2.46 2.41
12.0 3.17 3.76 3.47 3.30 3.18 3.04 2.95 2.89 2.83
13.0 3.43 4.36 4.03 3.82 3.69 3.52 3.42 3.35 3.29
14.0 3.70 5.00 4.62 4.39 4.23 4.04 3.92 3.85 3.77
15.0 3.96 5.68 5.24 4.98 4.81 4.59 4.46 4.37 4.28
16.0 4.22 6.40 5.91 5.61 5.42 5.17 5.02 4.93 4.83
17.0 4.49 7.16 6.61 6.28 6.06 5.79 5.62 5.51 5.40
18.0 4.75 7.96 7.35 6.98 6.74 6.43 6.25 6.12 6.00
19.0 5.02 8.80 8.12 7.72 7.45 7.11 6.90 6.77 6.63
20.0 5.28 9.67 8.93 8.48 8.19 7.81 7.59 7.44 7.29
21.0 5.54 10.59 9.77 9.29 8.96 8.55 8.31 8.15 7.98
22.0 5.81 11.54 10.65 10.12 9.76 9.32 9.05 8.88 8.70
23.0 6.07 12.53 11.57 10.99 10.60 10.12 9.83 9.64 9.45
24.0 6.34 13.56 12.51 11.89 11.47 10.95 10.64 10.43 10.22
25.0 6.60 14.62 13.49 12.82 12.37 11.81 11.47 11.25 11.02
26.0 6.86 15.72 14.51 13.78 13.30 12.70 12.33 12.09 11.85
27.0 7.13 16.86 15.56 14.78 14.26 13.61 13.23 12.97 12.71
28.0 7.39 18.03 16.64 15.81 15.26 14.56 14.15 13.87 13.59
29.0 7.66 19.24 17.76 16.87 16.28 15.54 15.09 14.80 14.50
30.0 7.92 20.48 18.91 17.96 17.33 16.54 16.07 15.76 15.44
31.0 8.18 21.76 20.09 19.09 18.42 17.58 17.08 16.74 16.41
32.0 8.45 23.08 21.31 20.24 19.53 18.64 18.11 17.76 17.40
33.0 8.71 24.43 22.55 21.43 20.67 19.73 19.17 18.80 18.42
34.0 8.97 25.82 23.83 22.64 21.85 20.86 20.26 19.86 19.47
35.0 9.24 27.24 25.15 23.89 23.05 22.00 21.38 20.96 20.54
36.0 9.50 28.70 26.49 25.17 24.29 23.18 22.52 22.08 21.64
37.0 9.77 30.19 27.87 26.48 25.55 24.39 23.69 23.23 22.76
38.0 10.03 31.72 29.28 27.82 26.84 25.62 24.89 24.40 23.91
Pressure Loss Per 100 Feet 11⁄2" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
3.0 0.79 0.36 0.33 0.31 0.30 0.29 0.28 0.28 0.27
3.5 0.92 0.48 0.44 0.42 0.40 0.39 0.37 0.37 0.36
4.0 1.06 0.61 0.56 0.54 0.52 0.49 0.48 0.47 0.46
4.5 1.19 0.76 0.70 0.67 0.64 0.61 0.60 0.58 0.57
5.0 1.32 0.92 0.85 0.81 0.78 0.75 0.72 0.71 0.70
6.0 1.58 1.29 1.19 1.13 1.09 1.04 1.01 0.99 0.98
7.0 1.85 1.72 1.59 1.51 1.46 1.39 1.35 1.32 1.30
8.0 2.11 2.20 2.03 1.93 1.86 1.78 1.73 1.69 1.66
9.0 2.38 2.74 2.53 2.40 2.32 2.21 2.15 2.11 2.06
10.0 2.64 3.33 3.07 2.92 2.82 2.69 2.61 2.56 2.51
11.0 2.90 3.97 3.66 3.48 3.36 3.21 3.11 3.05 2.99
12.0 3.17 4.66 4.30 4.09 3.95 3.77 3.66 3.59 3.52
13.0 3.43 5.41 4.99 4.74 4.58 4.37 4.24 4.16 4.08
14.0 3.70 6.20 5.72 5.44 5.25 5.01 4.87 4.77 4.67
15.0 3.96 7.05 6.50 6.18 5.96 5.69 5.53 5.42 5.31
16.0 4.22 7.94 7.33 6.96 6.72 6.41 6.23 6.11 5.98
17.0 4.49 8.88 8.20 7.79 7.52 7.17 6.97 6.83 6.70
18.0 4.75 9.87 9.11 8.66 8.35 7.97 7.75 7.59 7.44
19.0 5.02 10.91 10.07 9.57 9.23 8.81 8.56 8.39 8.22
20.0 5.28 12.00 11.07 10.52 10.15 9.69 9.41 9.23 9.04
21.0 5.54 13.13 12.12 11.51 11.11 10.60 10.30 10.10 9.90
22.0 5.81 14.31 13.21 12.55 12.11 11.56 11.23 11.01 10.79
23.0 6.07 15.54 14.34 13.62 13.15 12.55 12.19 11.95 11.71
24.0 6.34 16.81 15.52 14.74 14.22 13.58 13.19 12.93 12.67
25.0 6.60 18.13 16.73 15.90 15.34 14.64 14.22 13.94 13.67
26.0 6.86 19.49 17.99 17.09 16.49 15.74 15.29 14.99 14.69
27.0 7.13 20.90 19.29 18.33 17.69 16.88 16.40 16.08 15.76
28.0 7.39 22.36 20.64 19.60 18.92 18.06 17.54 17.20 16.85
29.0 7.66 23.86 22.02 20.92 20.19 19.27 18.72 18.35 17.98
30.0 7.92 25.40 23.45 22.27 21.49 20.52 19.93 19.54 19.15
31.0 8.18 26.99 24.91 23.67 22.84 21.80 21.18 20.76 20.35
32.0 8.45 28.62 26.42 25.10 24.22 23.12 22.46 22.02 21.58
33.0 8.71 30.30 27.97 26.57 25.64 24.47 23.77 23.31 22.84
34.0 8.97 32.02 29.56 28.08 27.09 25.86 25.12 24.63 24.14
35.0 9.24 33.78 31.18 29.62 28.58 27.29 26.51 25.99 25.47
36.0 9.50 35.59 32.85 31.21 30.11 28.75 27.92 27.38 26.83
37.0 9.77 37.44 34.56 32.83 31.68 30.24 29.38 28.80 28.22
38.0 10.03 39.33 36.31 34.49 33.28 31.77 30.86 30.26 29.65
16
Pressure Loss Tables
Pressure Loss Per 100 Feet 11⁄2" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
3.0 0.79 0.38 0.36 0.34 0.33 0.31 0.30 0.30 0.29
3.5 0.92 0.51 0.47 0.45 0.43 0.41 0.40 0.39 0.39
4.0 1.06 0.66 0.60 0.57 0.55 0.53 0.51 0.50 0.49
4.5 1.19 0.81 0.75 0.71 0.69 0.66 0.64 0.63 0.61
5.0 1.32 0.99 0.91 0.87 0.84 0.80 0.78 0.76 0.75
6.0 1.58 1.39 1.28 1.22 1.17 1.12 1.09 1.07 1.05
7.0 1.85 1.85 1.70 1.62 1.56 1.49 1.45 1.42 1.39
8.0 2.11 2.36 2.18 2.07 2.00 1.91 1.85 1.82 1.78
9.0 2.38 2.94 2.71 2.58 2.49 2.37 2.30 2.26 2.21
10.0 2.64 3.57 3.29 3.13 3.02 2.88 2.80 2.75 2.69
11.0 2.90 4.26 3.93 3.73 3.60 3.44 3.34 3.28 3.21
12.0 3.17 5.00 4.62 4.39 4.23 4.04 3.92 3.85 3.77
13.0 3.43 5.80 5.35 5.09 4.91 4.68 4.55 4.46 4.37
14.0 3.70 6.65 6.14 5.83 5.63 5.37 5.22 5.12 5.01
15.0 3.96 7.56 6.98 6.63 6.39 6.10 5.93 5.81 5.70
16.0 4.22 8.52 7.86 7.47 7.21 6.88 6.68 6.55 6.42
17.0 4.49 9.53 8.79 8.35 8.06 7.69 7.47 7.33 7.18
18.0 4.75 10.59 9.77 9.29 8.96 8.55 8.31 8.15 7.98
19.0 5.02 11.70 10.80 10.26 9.90 9.45 9.18 9.00 8.82
20.0 5.28 12.87 11.88 11.28 10.89 10.39 10.10 9.90 9.70
21.0 5.54 14.08 13.00 12.35 11.92 11.37 11.05 10.83 10.62
22.0 5.81 15.35 14.17 13.46 12.99 12.40 12.04 11.81 11.57
23.0 6.07 16.66 15.38 14.61 14.10 13.46 13.08 12.82 12.56
24.0 6.34 18.03 16.64 15.81 15.26 14.56 14.15 13.87 13.59
25.0 6.60 19.44 17.95 17.05 16.45 15.70 15.26 14.96 14.66
26.0 6.86 20.91 19.30 18.33 17.69 16.89 16.40 16.08 15.76
27.0 7.13 22.42 20.69 19.66 18.97 18.11 17.59 17.25 16.90
28.0 7.39 23.98 22.13 21.03 20.29 19.37 18.81 18.45 18.08
29.0 7.66 25.59 23.62 22.44 21.65 20.67 20.08 19.68 19.29
30.0 7.92 27.24 25.15 23.89 23.05 22.00 21.38 20.96 20.54
31.0 8.18 28.95 26.72 25.38 24.49 23.38 22.71 22.27 21.82
32.0 8.45 30.70 28.34 26.92 25.98 24.79 24.09 23.61 23.14
33.0 8.71 32.50 30.00 28.50 27.50 26.25 25.50 25.00 24.50
34.0 8.97 34.34 31.70 30.12 29.06 27.74 26.95 26.42 25.89
35.0 9.24 36.23 33.45 31.77 30.66 29.27 28.43 27.87 27.31
36.0 9.50 38.17 35.24 33.47 32.30 30.83 29.95 29.36 28.78
37.0 9.77 40.16 37.07 35.21 33.98 32.43 31.51 30.89 30.27
38.0 10.03 42.19 38.94 37.00 35.70 34.07 33.10 32.45 31.80
Pressure Loss Per 100 Feet 11⁄2" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
3.0 0.79 0.41 0.37 0.36 0.34 0.33 0.32 0.31 0.31
3.5 0.92 0.54 0.50 0.47 0.46 0.44 0.42 0.41 0.41
4.0 1.06 0.69 0.64 0.60 0.58 0.56 0.54 0.53 0.52
4.5 1.19 0.86 0.79 0.75 0.73 0.69 0.67 0.66 0.65
5.0 1.32 1.04 0.96 0.91 0.88 0.84 0.82 0.80 0.79
6.0 1.58 1.46 1.35 1.28 1.24 1.18 1.15 1.12 1.10
7.0 1.85 1.94 1.79 1.70 1.64 1.57 1.52 1.49 1.46
8.0 2.11 2.49 2.30 2.18 2.10 2.01 1.95 1.91 1.87
9.0 2.38 3.09 2.85 2.71 2.62 2.50 2.43 2.38 2.33
10.0 2.64 3.76 3.47 3.29 3.18 3.03 2.95 2.89 2.83
11.0 2.90 4.48 4.14 3.93 3.79 3.62 3.52 3.45 3.38
12.0 3.17 5.26 4.86 4.62 4.45 4.25 4.13 4.05 3.97
13.0 3.43 6.10 5.64 5.35 5.17 4.93 4.79 4.70 4.60
14.0 3.70 7.00 6.46 6.14 5.92 5.66 5.49 5.39 5.28
15.0 3.96 7.95 7.34 6.98 6.73 6.43 6.24 6.12 6.00
16.0 4.22 8.96 8.27 7.86 7.58 7.24 7.03 6.90 6.76
17.0 4.49 10.03 9.26 8.79 8.48 8.10 7.87 7.71 7.56
18.0 4.75 11.15 10.29 9.77 9.43 9.00 8.75 8.57 8.40
19.0 5.02 12.32 11.37 10.80 10.42 9.95 9.67 9.48 9.29
20.0 5.28 13.54 12.50 11.88 11.46 10.94 10.63 10.42 10.21
21.0 5.54 14.82 13.68 13.00 12.54 11.97 11.63 11.40 11.18
22.0 5.81 16.16 14.91 14.17 13.67 13.05 12.68 12.43 12.18
23.0 6.07 17.54 16.19 15.38 14.84 14.17 13.76 13.49 13.22
24.0 6.34 18.98 17.52 16.64 16.06 15.33 14.89 14.60 14.31
25.0 6.60 20.47 18.89 17.95 17.32 16.53 16.06 15.74 15.43
26.0 6.86 22.01 20.31 19.30 18.62 17.78 17.27 16.93 16.59
27.0 7.13 23.60 21.78 20.69 19.97 19.06 18.52 18.15 17.79
28.0 7.39 25.24 23.30 22.13 21.36 20.39 19.80 19.42 19.03
29.0 7.66 26.93 24.86 23.62 22.79 21.75 21.13 20.72 20.30
30.0 7.92 28.68 26.47 25.15 24.27 23.16 22.50 22.06 21.62
31.0 8.18 30.47 28.13 26.72 25.78 24.61 23.91 23.44 22.97
32.0 8.45 32.31 29.83 28.34 27.34 26.10 25.35 24.86 24.36
33.0 8.71 34.21 31.58 30.00 28.94 27.63 26.84 26.31 25.79
34.0 8.97 36.15 33.37 31.70 30.59 29.20 28.36 27.81 27.25
35.0 9.24 38.14 35.21 33.45 32.27 30.81 29.93 29.34 28.75
36.0 9.50 40.18 37.09 35.24 34.00 32.45 31.53 30.91 30.29
37.0 9.77 42.27 39.02 37.07 35.77 34.14 33.17 32.52 31.87
38.0 10.03 44.41 40.99 38.94 37.58 35.87 34.84 34.16 33.48
17
Pressure Loss Tables
Pressure Loss Per 100 Feet 2" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
9.0 1.39 0.59 0.55 0.52 0.50 0.48 0.47 0.46 0.45
10.0 1.54 0.72 0.67 0.63 0.61 0.58 0.57 0.56 0.54
11.0 1.69 0.86 0.80 0.76 0.73 0.70 0.68 0.66 0.65
12.0 1.85 1.01 0.93 0.89 0.86 0.82 0.79 0.78 0.76
13.0 2.00 1.17 1.08 1.03 0.99 0.95 0.92 0.90 0.89
14.0 2.16 1.35 1.24 1.18 1.14 1.09 1.06 1.04 1.02
15.0 2.31 1.53 1.41 1.34 1.29 1.24 1.20 1.18 1.15
16.0 2.46 1.72 1.59 1.51 1.46 1.39 1.35 1.33 1.30
17.0 2.62 1.93 1.78 1.69 1.63 1.56 1.51 1.48 1.45
18.0 2.77 2.14 1.98 1.88 1.81 1.73 1.68 1.65 1.62
19.0 2.92 2.37 2.19 2.08 2.01 1.91 1.86 1.82 1.79
20.0 3.08 2.61 2.41 2.28 2.20 2.10 2.04 2.00 1.96
21.0 3.23 2.85 2.63 2.50 2.41 2.30 2.24 2.19 2.15
22.0 3.39 3.11 2.87 2.73 2.63 2.51 2.44 2.39 2.34
23.0 3.54 3.37 3.11 2.96 2.86 2.73 2.65 2.60 2.54
24.0 3.69 3.65 3.37 3.20 3.09 2.95 2.86 2.81 2.75
25.0 3.85 3.94 3.63 3.45 3.33 3.18 3.09 3.03 2.97
26.0 4.00 4.23 3.91 3.71 3.58 3.42 3.32 3.26 3.19
27.0 4.16 4.54 4.19 3.98 3.84 3.67 3.56 3.49 3.42
28.0 4.31 4.86 4.48 4.26 4.11 3.92 3.81 3.73 3.66
29.0 4.46 5.18 4.78 4.54 4.38 4.18 4.07 3.99 3.91
30.0 4.62 5.52 5.09 4.84 4.67 4.46 4.33 4.24 4.16
31.0 4.77 5.86 5.41 5.14 4.96 4.73 4.60 4.51 4.42
32.0 4.93 6.22 5.74 5.45 5.26 5.02 4.88 4.78 4.69
33.0 5.08 6.58 6.07 5.77 5.57 5.31 5.16 5.06 4.96
34.0 5.23 6.95 6.42 6.10 5.88 5.62 5.46 5.35 5.24
35.0 5.39 7.34 6.77 6.43 6.21 5.93 5.76 5.64 5.53
36.0 5.54 7.73 7.13 6.78 6.54 6.24 6.06 5.95 5.83
37.0 5.70 8.13 7.51 7.13 6.88 6.57 6.38 6.25 6.13
38.0 5.85 8.54 7.89 7.49 7.23 6.90 6.70 6.57 6.44
39.0 6.00 8.96 8.27 7.86 7.58 7.24 7.03 6.89 6.76
40.0 6.16 9.39 8.67 8.24 7.95 7.59 7.37 7.23 7.08
41.0 6.31 9.83 9.08 8.62 8.32 7.94 7.71 7.56 7.41
42.0 6.47 10.28 9.49 9.01 8.70 8.30 8.07 7.91 7.75
43.0 6.62 10.74 9.91 9.42 9.09 8.67 8.42 8.26 8.09
44.0 6.77 11.20 10.34 9.82 9.48 9.05 8.79 8.62 8.45
45.0 6.93 11.68 10.78 10.24 9.88 9.43 9.16 8.98 8.80
46.0 7.08 12.16 11.23 10.67 10.29 9.82 9.54 9.36 9.17
47.0 7.24 12.66 11.68 11.10 10.71 10.22 9.93 9.74 9.54
48.0 7.39 13.16 12.15 11.54 11.14 10.63 10.33 10.12 9.92
49.0 7.54 13.67 12.62 11.99 11.57 11.04 10.73 10.52 10.31
50.0 7.70 14.19 13.10 12.45 12.01 11.46 11.14 10.92 10.70
52.0 8.00 15.26 14.09 13.38 12.91 12.33 11.97 11.74 11.50
54.0 8.31 16.36 15.11 14.35 13.85 13.22 12.84 12.59 12.34
56.0 8.62 17.50 16.16 15.35 14.81 14.14 13.73 13.46 13.20
58.0 8.93 18.68 17.24 16.38 15.80 15.09 14.65 14.37 14.08
60.0 9.24 19.89 18.36 17.44 16.83 16.06 15.60 15.30 14.99
62.0 9.54 21.13 19.51 18.53 17.88 17.07 16.58 16.25 15.93
64.0 9.85 22.41 20.68 19.65 18.96 18.10 17.58 17.24 16.89
66.0 10.16 23.72 21.90 20.80 20.07 19.16 18.61 18.25 17.88
Pressure Loss Per 100 Feet 2" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
9.0 1.39 0.74 0.68 0.65 0.62 0.60 0.58 0.57 0.56
10.0 1.54 0.90 0.83 0.79 0.76 0.72 0.70 0.69 0.68
11.0 1.69 1.07 0.99 0.94 0.90 0.86 0.84 0.82 0.81
12.0 1.85 1.26 1.16 1.10 1.06 1.01 0.99 0.97 0.95
13.0 2.00 1.46 1.34 1.28 1.23 1.18 1.14 1.12 1.10
14.0 2.16 1.67 1.54 1.46 1.41 1.35 1.31 1.28 1.26
15.0 2.31 1.90 1.75 1.66 1.61 1.53 1.49 1.46 1.43
16.0 2.46 2.14 1.97 1.87 1.81 1.73 1.68 1.64 1.61
17.0 2.62 2.39 2.21 2.10 2.02 1.93 1.88 1.84 1.80
18.0 2.77 2.66 2.45 2.33 2.25 2.15 2.09 2.05 2.00
19.0 2.92 2.94 2.71 2.58 2.49 2.37 2.31 2.26 2.22
20.0 3.08 3.23 2.98 2.83 2.73 2.61 2.53 2.49 2.44
21.0 3.23 3.54 3.26 3.10 2.99 2.86 2.77 2.72 2.67
22.0 3.39 3.85 3.56 3.38 3.26 3.11 3.02 2.96 2.91
23.0 3.54 4.18 3.86 3.67 3.54 3.38 3.28 3.22 3.15
24.0 3.69 4.53 4.18 3.97 3.83 3.66 3.55 3.48 3.41
25.0 3.85 4.88 4.51 4.28 4.13 3.94 3.83 3.76 3.68
26.0 4.00 5.25 4.85 4.60 4.44 4.24 4.12 4.04 3.96
27.0 4.16 5.63 5.20 4.94 4.76 4.55 4.42 4.33 4.24
28.0 4.31 6.02 5.56 5.28 5.09 4.86 4.72 4.63 4.54
29.0 4.46 6.42 5.93 5.63 5.44 5.19 5.04 4.94 4.84
30.0 4.62 6.84 6.31 6.00 5.79 5.52 5.37 5.26 5.16
31.0 4.77 7.27 6.71 6.37 6.15 5.87 5.70 5.59 5.48
32.0 4.93 7.71 7.11 6.76 6.52 6.23 6.05 5.93 5.81
33.0 5.08 8.16 7.53 7.16 6.90 6.59 6.40 6.28 6.15
34.0 5.23 8.62 7.96 7.56 7.30 6.96 6.77 6.63 6.50
35.0 5.39 9.10 8.40 7.98 7.70 7.35 7.14 7.00 6.86
36.0 5.54 9.58 8.85 8.40 8.11 7.74 7.52 7.37 7.23
37.0 5.70 10.08 9.31 8.84 8.53 8.14 7.91 7.76 7.60
38.0 5.85 10.59 9.78 9.29 8.96 8.56 8.31 8.15 7.99
39.0 6.00 11.11 10.26 9.75 9.40 8.98 8.72 8.55 8.38
40.0 6.16 11.65 10.75 10.21 9.86 9.41 9.14 8.96 8.78
41.0 6.31 12.19 11.25 10.69 10.32 9.85 9.57 9.38 9.19
42.0 6.47 12.75 11.77 11.18 10.79 10.30 10.00 9.81 9.61
43.0 6.62 13.31 12.29 11.68 11.27 10.75 10.45 10.24 10.04
44.0 6.77 13.89 12.82 12.18 11.76 11.22 10.90 10.69 10.47
45.0 6.93 14.48 13.37 12.70 12.25 11.70 11.36 11.14 10.92
46.0 7.08 15.08 13.92 13.23 12.76 12.18 11.83 11.60 11.37
47.0 7.24 15.70 14.49 13.76 13.28 12.68 12.32 12.07 11.83
48.0 7.39 16.32 15.06 14.31 13.81 13.18 12.80 12.55 12.30
49.0 7.54 16.95 15.65 14.87 14.35 13.69 13.30 13.04 12.78
50.0 7.70 17.60 16.25 15.43 14.89 14.21 13.81 13.54 13.27
52.0 8.00 18.92 17.47 16.59 16.01 15.28 14.85 14.56 14.27
54.0 8.31 20.29 18.73 17.79 17.17 16.39 15.92 15.61 15.30
56.0 8.62 21.70 20.04 19.03 18.37 17.53 17.03 16.70 16.36
58.0 8.93 23.16 21.38 20.31 19.60 18.71 18.17 17.82 17.46
60.0 9.24 24.66 22.76 21.62 20.87 19.92 19.35 18.97 18.59
62.0 9.54 26.20 24.19 22.98 22.17 21.16 20.56 20.16 19.75
64.0 9.85 27.79 25.65 24.37 23.51 22.44 21.80 21.37 20.95
66.0 10.16 29.41 27.15 25.79 24.89 23.76 23.08 22.63 22.17
18
Pressure Loss Tables
Pressure Loss Per 100 Feet 2" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
9.0 1.39 0.79 0.73 0.69 0.67 0.64 0.62 0.61 0.60
10.0 1.54 0.96 0.89 0.84 0.81 0.78 0.75 0.74 0.72
11.0 1.69 1.15 1.06 1.01 0.97 0.93 0.90 0.88 0.86
12.0 1.85 1.35 1.24 1.18 1.14 1.09 1.06 1.04 1.02
13.0 2.00 1.56 1.44 1.37 1.32 1.26 1.23 1.20 1.18
14.0 2.16 1.79 1.65 1.57 1.52 1.45 1.41 1.38 1.35
15.0 2.31 2.04 1.88 1.78 1.72 1.64 1.60 1.57 1.53
16.0 2.46 2.29 2.12 2.01 1.94 1.85 1.80 1.76 1.73
17.0 2.62 2.57 2.37 2.25 2.17 2.07 2.01 1.97 1.93
18.0 2.77 2.85 2.63 2.50 2.41 2.30 2.24 2.19 2.15
19.0 2.92 3.15 2.91 2.76 2.67 2.55 2.47 2.42 2.38
20.0 3.08 3.47 3.20 3.04 2.93 2.80 2.72 2.67 2.61
21.0 3.23 3.79 3.50 3.33 3.21 3.06 2.98 2.92 2.86
22.0 3.39 4.13 3.82 3.62 3.50 3.34 3.24 3.18 3.12
23.0 3.54 4.49 4.14 3.94 3.80 3.62 3.52 3.45 3.38
24.0 3.69 4.86 4.48 4.26 4.11 3.92 3.81 3.73 3.66
25.0 3.85 5.24 4.83 4.59 4.43 4.23 4.11 4.03 3.95
26.0 4.00 5.63 5.20 4.94 4.76 4.55 4.42 4.33 4.24
27.0 4.16 6.04 5.57 5.29 5.11 4.88 4.74 4.64 4.55
28.0 4.31 6.46 5.96 5.66 5.46 5.22 5.07 4.97 4.87
29.0 4.46 6.89 6.36 6.04 5.83 5.57 5.41 5.30 5.19
30.0 4.62 7.34 6.77 6.43 6.21 5.93 5.76 5.64 5.53
31.0 4.77 7.80 7.20 6.84 6.60 6.30 6.12 6.00 5.88
32.0 4.93 8.27 7.63 7.25 7.00 6.68 6.49 6.36 6.23
33.0 5.08 8.75 8.08 7.67 7.41 7.07 6.87 6.73 6.60
34.0 5.23 9.25 8.54 8.11 7.83 7.47 7.26 7.11 6.97
35.0 5.39 9.76 9.01 8.56 8.26 7.88 7.66 7.51 7.36
36.0 5.54 10.28 9.49 9.01 8.70 8.30 8.07 7.91 7.75
37.0 5.70 10.81 9.98 9.48 9.15 8.73 8.49 8.32 8.15
38.0 5.85 11.36 10.49 9.96 9.61 9.18 8.91 8.74 8.56
39.0 6.00 11.92 11.00 10.45 10.09 9.63 9.35 9.17 8.99
40.0 6.16 12.49 11.53 10.95 10.57 10.09 9.80 9.61 9.42
41.0 6.31 13.08 12.07 11.47 11.06 10.56 10.26 10.06 9.86
42.0 6.47 13.67 12.62 11.99 11.57 11.04 10.73 10.52 10.31
43.0 6.62 14.28 13.18 12.52 12.08 11.53 11.20 10.99 10.77
44.0 6.77 14.90 13.75 13.07 12.61 12.04 11.69 11.46 11.23
45.0 6.93 15.53 14.34 13.62 13.14 12.55 12.19 11.95 11.71
46.0 7.08 16.18 14.93 14.19 13.69 13.07 12.69 12.44 12.20
47.0 7.24 16.84 15.54 14.76 14.25 13.60 13.21 12.95 12.69
48.0 7.39 17.50 16.16 15.35 14.81 14.14 13.73 13.46 13.20
49.0 7.54 18.18 16.79 15.95 15.39 14.69 14.27 13.99 13.71
50.0 7.70 18.88 17.42 16.55 15.97 15.25 14.81 14.52 14.23
52.0 8.00 20.30 18.74 17.80 17.17 16.39 15.93 15.61 15.30
54.0 8.31 21.77 20.09 19.09 18.42 17.58 17.08 16.74 16.41
56.0 8.62 23.28 21.49 20.41 19.70 18.80 18.27 17.91 17.55
58.0 8.93 24.84 22.93 21.78 21.02 20.06 19.49 19.11 18.73
60.0 9.24 26.45 24.41 23.19 22.38 21.36 20.75 20.35 19.94
62.0 9.54 28.10 25.94 24.64 23.78 22.70 22.05 21.62 21.19
64.0 9.85 29.80 27.51 26.14 25.22 24.07 23.38 22.93 22.47
66.0 10.16 31.55 29.12 27.67 26.70 25.48 24.75 24.27 23.78
Pressure Loss Per 100 Feet 2" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
9.0 1.39 0.83 0.77 0.73 0.70 0.67 0.65 0.64 0.63
10.0 1.54 1.01 0.93 0.89 0.86 0.82 0.79 0.78 0.76
11.0 1.69 1.21 1.11 1.06 1.02 0.97 0.95 0.93 0.91
12.0 1.85 1.42 1.31 1.24 1.20 1.15 1.11 1.09 1.07
13.0 2.00 1.64 1.52 1.44 1.39 1.33 1.29 1.26 1.24
14.0 2.16 1.89 1.74 1.65 1.60 1.52 1.48 1.45 1.42
15.0 2.31 2.14 1.98 1.88 1.81 1.73 1.68 1.65 1.61
16.0 2.46 2.41 2.23 2.12 2.04 1.95 1.89 1.86 1.82
17.0 2.62 2.70 2.49 2.37 2.29 2.18 2.12 2.08 2.04
18.0 2.77 3.00 2.77 2.63 2.54 2.42 2.36 2.31 2.26
19.0 2.92 3.32 3.06 2.91 2.81 2.68 2.60 2.55 2.50
20.0 3.08 3.65 3.37 3.20 3.09 2.95 2.86 2.81 2.75
21.0 3.23 3.99 3.69 3.50 3.38 3.22 3.13 3.07 3.01
22.0 3.39 4.35 4.02 3.82 3.68 3.51 3.41 3.35 3.28
23.0 3.54 4.72 4.36 4.14 4.00 3.82 3.71 3.63 3.56
24.0 3.69 5.11 4.72 4.48 4.32 4.13 4.01 3.93 3.85
25.0 3.85 5.51 5.09 4.83 4.66 4.45 4.32 4.24 4.16
26.0 4.00 5.93 5.47 5.20 5.01 4.79 4.65 4.56 4.47
27.0 4.16 6.36 5.87 5.57 5.38 5.13 4.99 4.89 4.79
28.0 4.31 6.80 6.27 5.96 5.75 5.49 5.33 5.23 5.12
29.0 4.46 7.25 6.70 6.36 6.14 5.86 5.69 5.58 5.47
30.0 4.62 7.72 7.13 6.77 6.53 6.24 6.06 5.94 5.82
31.0 4.77 8.21 7.57 7.20 6.94 6.63 6.44 6.31 6.19
32.0 4.93 8.70 8.03 7.63 7.36 7.03 6.83 6.69 6.56
33.0 5.08 9.21 8.50 8.08 7.79 7.44 7.23 7.09 6.94
34.0 5.23 9.74 8.99 8.54 8.24 7.86 7.64 7.49 7.34
35.0 5.39 10.27 9.48 9.01 8.69 8.30 8.06 7.90 7.74
36.0 5.54 10.82 9.99 9.49 9.16 8.74 8.49 8.32 8.16
37.0 5.70 11.38 10.51 9.98 9.63 9.19 8.93 8.76 8.58
38.0 5.85 11.96 11.04 10.49 10.12 9.66 9.38 9.20 9.02
39.0 6.00 12.55 11.58 11.00 10.62 10.14 9.85 9.65 9.46
40.0 6.16 13.15 12.14 11.53 11.13 10.62 10.32 10.12 9.91
41.0 6.31 13.76 12.71 12.07 11.65 11.12 10.80 10.59 10.38
42.0 6.47 14.39 13.28 12.62 12.18 11.62 11.29 11.07 10.85
43.0 6.62 15.03 13.88 13.18 12.72 12.14 11.79 11.56 11.33
44.0 6.77 15.69 14.48 13.75 13.27 12.67 12.31 12.07 11.82
45.0 6.93 16.35 15.09 14.34 13.84 13.21 12.83 12.58 12.33
46.0 7.08 17.03 15.72 14.93 14.41 13.75 13.36 13.10 12.84
47.0 7.24 17.72 16.36 15.54 14.99 14.31 13.90 13.63 13.36
48.0 7.39 18.43 17.01 16.16 15.59 14.88 14.46 14.17 13.89
49.0 7.54 19.14 17.67 16.79 16.20 15.46 15.02 14.72 14.43
50.0 7.70 19.87 18.34 17.42 16.81 16.05 15.59 15.28 14.98
52.0 8.00 21.37 19.72 18.74 18.08 17.26 16.76 16.44 16.11
54.0 8.31 22.91 21.15 20.09 19.39 18.50 17.98 17.62 17.27
56.0 8.62 24.51 22.62 21.49 20.74 19.79 19.23 18.85 18.47
58.0 8.93 26.15 24.14 22.93 22.13 21.12 20.52 20.11 19.71
60.0 9.24 27.84 25.70 24.41 23.56 22.49 21.84 21.42 20.99
62.0 9.54 29.58 27.31 25.94 25.03 23.89 23.21 22.76 22.30
64.0 9.85 31.37 28.96 27.51 26.55 25.34 24.62 24.13 23.65
66.0 10.16 33.21 30.66 29.12 28.10 26.82 26.06 25.55 25.04
19
Pressure Loss Tables
Pressure Loss Per 100 Feet 21⁄2" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
14 1.41 0.48 0.45 0.42 0.41 0.39 0.38 0.37 0.36
15 1.52 0.55 0.51 0.48 0.46 0.44 0.43 0.42 0.41
16 1.62 0.62 0.57 0.54 0.52 0.50 0.49 0.48 0.47
17 1.72 0.69 0.64 0.61 0.59 0.56 0.54 0.53 0.52
18 1.82 0.77 0.71 0.67 0.65 0.62 0.60 0.59 0.58
19 1.92 0.85 0.78 0.75 0.72 0.69 0.67 0.65 0.64
20 2.02 0.93 0.86 0.82 0.79 0.76 0.73 0.72 0.70
21 2.12 1.02 0.94 0.90 0.87 0.83 0.80 0.79 0.77
22 2.22 1.12 1.03 0.98 0.94 0.90 0.87 0.86 0.84
23 2.32 1.21 1.12 1.06 1.02 0.98 0.95 0.93 0.91
24 2.42 1.31 1.21 1.15 1.11 1.06 1.03 1.01 0.99
25 2.53 1.41 1.30 1.24 1.20 1.14 1.11 1.09 1.06
26 2.63 1.52 1.40 1.33 1.29 1.23 1.19 1.17 1.15
27 2.73 1.63 1.50 1.43 1.38 1.32 1.28 1.25 1.23
28 2.83 1.74 1.61 1.53 1.47 1.41 1.37 1.34 1.31
29 2.93 1.86 1.72 1.63 1.57 1.50 1.46 1.43 1.40
30 3.03 1.98 1.83 1.74 1.67 1.60 1.55 1.52 1.49
32 3.23 2.23 2.06 1.96 1.89 1.80 1.75 1.72 1.68
34 3.43 2.49 2.30 2.19 2.11 2.02 1.96 1.92 1.88
36 3.64 2.77 2.56 2.43 2.35 2.24 2.18 2.13 2.09
38 3.84 3.07 2.83 2.69 2.59 2.48 2.40 2.36 2.31
40 4.04 3.37 3.11 2.96 2.85 2.72 2.64 2.59 2.54
42 4.24 3.69 3.40 3.23 3.12 2.98 2.89 2.84 2.78
44 4.44 4.02 3.71 3.53 3.40 3.25 3.15 3.09 3.03
46 4.65 4.36 4.03 3.83 3.69 3.53 3.42 3.36 3.29
48 4.85 4.72 4.36 4.14 4.00 3.81 3.70 3.63 3.56
50 5.05 5.09 4.70 4.47 4.31 4.11 4.00 3.92 3.84
52 5.25 5.48 5.05 4.80 4.63 4.42 4.30 4.21 4.13
54 5.45 5.87 5.42 5.15 4.97 4.74 4.61 4.52 4.43
56 5.66 6.28 5.80 5.51 5.31 5.07 4.93 4.83 4.73
58 5.86 6.70 6.19 5.88 5.67 5.41 5.26 5.16 5.05
60 6.06 7.14 6.59 6.26 6.04 5.76 5.60 5.49 5.38
62 6.26 7.58 7.00 6.65 6.42 6.12 5.95 5.83 5.72
64 6.46 8.04 7.42 7.05 6.80 6.49 6.31 6.18 6.06
66 6.67 8.51 7.86 7.46 7.20 6.87 6.68 6.55 6.42
68 6.87 8.99 8.30 7.89 7.61 7.26 7.06 6.92 6.78
70 7.07 9.49 8.76 8.32 8.03 7.66 7.45 7.30 7.15
72 7.27 10.00 9.23 8.77 8.46 8.08 7.84 7.69 7.54
74 7.47 10.52 9.71 9.22 8.90 8.49 8.25 8.09 7.93
76 7.68 11.05 10.20 9.69 9.35 8.92 8.67 8.50 8.33
78 7.88 11.59 10.70 10.17 9.81 9.36 9.10 8.92 8.74
80 8.08 12.15 11.21 10.65 10.28 9.81 9.53 9.35 9.16
82 8.28 12.72 11.74 11.15 10.76 10.27 9.98 9.78 9.59
84 8.48 13.30 12.27 11.66 11.25 10.74 10.43 10.23 10.02
86 8.69 13.89 12.82 12.18 11.75 11.22 10.90 10.68 10.47
88 8.89 14.49 13.38 12.71 12.26 11.71 11.37 11.15 10.92
90 9.09 15.11 13.95 13.25 12.78 12.20 11.85 11.62 11.39
92 9.29 15.73 14.52 13.80 13.31 12.71 12.35 12.10 11.86
94 9.49 16.37 15.11 14.36 13.85 13.22 12.85 12.59 12.34
96 9.70 17.02 15.71 14.93 14.40 13.75 13.36 13.09 12.83
98 9.90 17.68 16.32 15.51 14.96 14.28 13.88 13.60 13.33
100 10.10 18.36 16.95 16.10 15.53 14.83 14.40 14.12 13.84
Pressure Loss Per 100 Feet 21⁄2" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
14 1.41 0.60 0.55 0.53 0.51 0.48 0.47 0.46 0.45
15 1.52 0.68 0.63 0.60 0.58 0.55 0.53 0.52 0.51
16 1.62 0.77 0.71 0.67 0.65 0.62 0.60 0.59 0.58
17 1.72 0.86 0.79 0.75 0.73 0.69 0.67 0.66 0.65
18 1.82 0.95 0.88 0.84 0.81 0.77 0.75 0.73 0.72
19 1.92 1.05 0.97 0.92 0.89 0.85 0.83 0.81 0.79
20 2.02 1.16 1.07 1.02 0.98 0.94 0.91 0.89 0.87
21 2.12 1.27 1.17 1.11 1.07 1.02 1.00 0.98 0.96
22 2.22 1.38 1.28 1.21 1.17 1.12 1.08 1.06 1.04
23 2.32 1.50 1.39 1.32 1.27 1.21 1.18 1.15 1.13
24 2.42 1.62 1.50 1.42 1.37 1.31 1.27 1.25 1.22
25 2.53 1.75 1.62 1.54 1.48 1.41 1.37 1.35 1.32
26 2.63 1.88 1.74 1.65 1.59 1.52 1.48 1.45 1.42
27 2.73 2.02 1.86 1.77 1.71 1.63 1.58 1.55 1.52
28 2.83 2.16 1.99 1.89 1.83 1.74 1.69 1.66 1.63
29 2.93 2.31 2.13 2.02 1.95 1.86 1.81 1.77 1.74
30 3.03 2.45 2.27 2.15 2.08 1.98 1.93 1.89 1.85
32 3.23 2.77 2.55 2.43 2.34 2.23 2.17 2.13 2.08
34 3.43 3.09 2.86 2.71 2.62 2.50 2.43 2.38 2.33
36 3.64 3.44 3.17 3.02 2.91 2.78 2.70 2.65 2.59
38 3.84 3.80 3.51 3.33 3.22 3.07 2.98 2.92 2.87
40 4.04 4.18 3.86 3.66 3.54 3.38 3.28 3.21 3.15
42 4.24 4.57 4.22 4.01 3.87 3.69 3.59 3.52 3.45
44 4.44 4.98 4.60 4.37 4.22 4.03 3.91 3.83 3.76
46 4.65 5.41 5.00 4.75 4.58 4.37 4.25 4.16 4.08
48 4.85 5.86 5.40 5.13 4.95 4.73 4.59 4.50 4.41
50 5.05 6.31 5.83 5.54 5.34 5.10 4.95 4.86 4.76
52 5.25 6.79 6.27 5.95 5.75 5.48 5.33 5.22 5.12
54 5.45 7.28 6.72 6.38 6.16 5.88 5.71 5.60 5.49
56 5.66 7.79 7.19 6.83 6.59 6.29 6.11 5.99 5.87
58 5.86 8.31 7.67 7.29 7.03 6.71 6.52 6.39 6.26
60 6.06 8.85 8.17 7.76 7.49 7.15 6.94 6.81 6.67
62 6.26 9.40 8.68 8.24 7.95 7.59 7.38 7.23 7.09
64 6.46 9.97 9.20 8.74 8.44 8.05 7.82 7.67 7.52
66 6.67 10.55 9.74 9.25 8.93 8.52 8.28 8.12 7.96
68 6.87 11.15 10.30 9.78 9.44 9.01 8.75 8.58 8.41
70 7.07 11.77 10.86 10.32 9.96 9.50 9.23 9.05 8.87
72 7.27 12.40 11.44 10.87 10.49 10.01 9.73 9.54 9.35
74 7.47 13.04 12.04 11.44 11.04 10.53 10.23 10.03 9.83
76 7.68 13.70 12.65 12.01 11.59 11.07 10.75 10.54 10.33
78 7.88 14.38 13.27 12.61 12.16 11.61 11.28 11.06 10.84
80 8.08 15.07 13.91 13.21 12.75 12.17 11.82 11.59 11.36
82 8.28 15.77 14.56 13.83 13.34 12.74 12.37 12.13 11.89
84 8.48 16.49 15.22 14.46 13.95 13.32 12.94 12.68 12.43
86 8.69 17.22 15.90 15.10 14.57 13.91 13.51 13.25 12.98
88 8.89 17.97 16.59 15.76 15.21 14.51 14.10 13.82 13.55
90 9.09 18.73 17.29 16.43 15.85 15.13 14.70 14.41 14.12
92 9.29 19.51 18.01 17.11 16.51 15.76 15.31 15.01 14.71
94 9.49 20.30 18.74 17.80 17.18 16.40 15.93 15.62 15.30
96 9.70 21.11 19.48 18.51 17.86 17.05 16.56 16.24 15.91
98 9.90 21.93 20.24 19.23 18.56 17.71 17.21 16.87 16.53
100 10.10 22.76 21.01 19.96 19.26 18.39 17.86 17.51 17.16
20
Pressure Loss Tables
Pressure Loss Per 100 Feet 21⁄2" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
14 1.41 0.64 0.59 0.56 0.54 0.52 0.50 0.49 0.48
15 1.52 0.73 0.67 0.64 0.62 0.59 0.57 0.56 0.55
16 1.62 0.82 0.76 0.72 0.70 0.66 0.65 0.63 0.62
17 1.72 0.92 0.85 0.81 0.78 0.74 0.72 0.71 0.69
18 1.82 1.02 0.94 0.90 0.87 0.83 0.80 0.79 0.77
19 1.92 1.13 1.04 0.99 0.96 0.91 0.89 0.87 0.85
20 2.02 1.24 1.15 1.09 1.05 1.00 0.98 0.96 0.94
21 2.12 1.36 1.26 1.19 1.15 1.10 1.07 1.05 1.03
22 2.22 1.48 1.37 1.30 1.25 1.20 1.16 1.14 1.12
23 2.32 1.61 1.49 1.41 1.36 1.30 1.26 1.24 1.21
24 2.42 1.74 1.61 1.53 1.47 1.41 1.37 1.34 1.31
25 2.53 1.88 1.73 1.65 1.59 1.52 1.47 1.45 1.42
26 2.63 2.02 1.86 1.77 1.71 1.63 1.59 1.55 1.52
27 2.73 2.17 2.00 1.90 1.83 1.75 1.70 1.67 1.63
28 2.83 2.32 2.14 2.03 1.96 1.87 1.82 1.78 1.75
29 2.93 2.47 2.28 2.17 2.09 2.00 1.94 1.90 1.86
30 3.03 2.63 2.43 2.31 2.23 2.13 2.07 2.02 1.98
32 3.23 2.97 2.74 2.60 2.51 2.40 2.33 2.28 2.24
34 3.43 3.32 3.06 2.91 2.81 2.68 2.60 2.55 2.50
36 3.64 3.69 3.40 3.23 3.12 2.98 2.89 2.84 2.78
38 3.84 4.08 3.76 3.57 3.45 3.29 3.20 3.14 3.07
40 4.04 4.48 4.14 3.93 3.79 3.62 3.52 3.45 3.38
42 4.24 4.91 4.53 4.30 4.15 3.96 3.85 3.77 3.70
44 4.44 5.35 4.94 4.69 4.52 4.32 4.19 4.11 4.03
46 4.65 5.80 5.36 5.09 4.91 4.69 4.55 4.47 4.38
48 4.85 6.28 5.80 5.51 5.31 5.07 4.93 4.83 4.73
50 5.05 6.77 6.25 5.94 5.73 5.47 5.31 5.21 5.11
52 5.25 7.28 6.72 6.39 6.16 5.88 5.71 5.60 5.49
54 5.45 7.81 7.21 6.85 6.61 6.31 6.13 6.01 5.89
56 5.66 8.35 7.71 7.32 7.07 6.75 6.55 6.43 6.30
58 5.86 8.91 8.23 7.82 7.54 7.20 6.99 6.86 6.72
60 6.06 9.49 8.76 8.32 8.03 7.66 7.45 7.30 7.15
62 6.26 10.08 9.31 8.84 8.53 8.14 7.91 7.76 7.60
64 6.46 10.69 9.87 9.38 9.05 8.64 8.39 8.23 8.06
66 6.67 11.32 10.45 9.93 9.58 9.14 8.88 8.71 8.53
68 6.87 11.96 11.04 10.49 10.12 9.66 9.39 9.20 9.02
70 7.07 12.62 11.65 11.07 10.68 10.19 9.90 9.71 9.51
72 7.27 13.30 12.27 11.66 11.25 10.74 10.43 10.23 10.02
74 7.47 13.99 12.91 12.27 11.84 11.30 10.98 10.76 10.55
76 7.68 14.70 13.57 12.89 12.43 11.87 11.53 11.30 11.08
78 7.88 15.42 14.23 13.52 13.05 12.45 12.10 11.86 11.62
80 8.08 16.16 14.92 14.17 13.67 13.05 12.68 12.43 12.18
82 8.28 16.91 15.61 14.83 14.31 13.66 13.27 13.01 12.75
84 8.48 17.68 16.32 15.51 14.96 14.28 13.88 13.60 13.33
86 8.69 18.47 17.05 16.20 15.63 14.92 14.49 14.21 13.92
88 8.89 19.27 17.79 16.90 16.31 15.57 15.12 14.83 14.53
90 9.09 20.09 18.55 17.62 17.00 16.23 15.76 15.46 15.15
92 9.29 20.93 19.32 18.35 17.71 16.90 16.42 16.10 15.78
94 9.49 21.78 20.10 19.10 18.43 17.59 17.09 16.75 16.42
96 9.70 22.64 20.90 19.85 19.16 18.29 17.76 17.42 17.07
98 9.90 23.52 21.71 20.63 19.90 19.00 18.45 18.09 17.73
100 10.10 24.42 22.54 21.41 20.66 19.72 19.16 18.78 18.41
Pressure Loss Per 100 Feet 21⁄2" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
14 1.41 0.68 0.62 0.59 0.57 0.55 0.53 0.52 0.51
15 1.52 0.77 0.71 0.67 0.65 0.62 0.60 0.59 0.58
16 1.62 0.87 0.80 0.76 0.73 0.70 0.68 0.67 0.65
17 1.72 0.97 0.89 0.85 0.82 0.78 0.76 0.75 0.73
18 1.82 1.08 0.99 0.94 0.91 0.87 0.85 0.83 0.81
19 1.92 1.19 1.10 1.04 1.01 0.96 0.93 0.92 0.90
20 2.02 1.31 1.21 1.15 1.11 1.06 1.03 1.01 0.99
21 2.12 1.43 1.32 1.26 1.21 1.16 1.12 1.10 1.08
22 2.22 1.56 1.44 1.37 1.32 1.26 1.22 1.20 1.18
23 2.32 1.69 1.56 1.49 1.43 1.37 1.33 1.30 1.28
24 2.42 1.83 1.69 1.61 1.55 1.48 1.44 1.41 1.38
25 2.53 1.98 1.83 1.73 1.67 1.60 1.55 1.52 1.49
26 2.63 2.13 1.96 1.86 1.80 1.72 1.67 1.64 1.60
27 2.73 2.28 2.10 2.00 1.93 1.84 1.79 1.75 1.72
28 2.83 2.44 2.25 2.14 2.06 1.97 1.91 1.88 1.84
29 2.93 2.60 2.40 2.28 2.20 2.10 2.04 2.00 1.96
30 3.03 2.77 2.56 2.43 2.34 2.24 2.17 2.13 2.09
32 3.23 3.12 2.88 2.74 2.64 2.52 2.45 2.40 2.35
34 3.43 3.49 3.22 3.06 2.96 2.82 2.74 2.69 2.63
36 3.64 3.88 3.58 3.40 3.29 3.14 3.05 2.99 2.93
38 3.84 4.29 3.96 3.76 3.63 3.47 3.37 3.30 3.23
40 4.04 4.72 4.36 4.14 3.99 3.81 3.70 3.63 3.56
42 4.24 5.16 4.77 4.53 4.37 4.17 4.05 3.97 3.89
44 4.44 5.63 5.20 4.94 4.76 4.55 4.42 4.33 4.24
46 4.65 6.11 5.64 5.36 5.17 4.94 4.79 4.70 4.61
48 4.85 6.61 6.10 5.80 5.59 5.34 5.19 5.09 4.98
50 5.05 7.13 6.58 6.25 6.03 5.76 5.59 5.48 5.37
52 5.25 7.67 7.08 6.72 6.49 6.19 6.01 5.90 5.78
54 5.45 8.22 7.59 7.21 6.96 6.64 6.45 6.32 6.20
56 5.66 8.79 8.12 7.71 7.44 7.10 6.90 6.76 6.63
58 5.86 9.38 8.66 8.23 7.94 7.58 7.36 7.22 7.07
60 6.06 9.99 9.22 8.76 8.45 8.07 7.84 7.68 7.53
62 6.26 10.61 9.80 9.31 8.98 8.57 8.33 8.16 8.00
64 6.46 11.26 10.39 9.87 9.52 9.09 8.83 8.66 8.49
66 6.67 11.92 11.00 10.45 10.08 9.62 9.35 9.17 8.98
68 6.87 12.59 11.62 11.04 10.65 10.17 9.88 9.69 9.49
70 7.07 13.29 12.26 11.65 11.24 10.73 10.42 10.22 10.02
72 7.27 14.00 12.92 12.27 11.84 11.31 10.98 10.77 10.55
74 7.47 14.72 13.59 12.91 12.46 11.89 11.55 11.33 11.10
76 7.68 15.47 14.28 13.57 13.09 12.49 12.14 11.90 11.66
78 7.88 16.23 14.98 14.23 13.73 13.11 12.73 12.49 12.24
80 8.08 17.01 15.70 14.92 14.39 13.74 13.35 13.08 12.82
82 8.28 17.80 16.43 15.61 15.06 14.38 13.97 13.70 13.42
84 8.48 18.62 17.18 16.32 15.75 15.04 14.61 14.32 14.03
86 8.69 19.44 17.95 17.05 16.45 15.70 15.26 14.96 14.66
88 8.89 20.29 18.73 17.79 17.17 16.39 15.92 15.61 15.29
90 9.09 21.15 19.52 18.55 17.90 17.08 16.59 16.27 15.94
92 9.29 22.03 20.33 19.32 18.64 17.79 17.28 16.94 16.61
94 9.49 22.92 21.16 20.10 19.40 18.51 17.98 17.63 17.28
96 9.70 23.83 22.00 20.90 20.17 19.25 18.70 18.33 17.97
98 9.90 24.76 22.85 21.71 20.95 20.00 19.43 19.05 18.66
100 10.10 25.70 23.72 22.54 21.75 20.76 20.17 19.77 19.38
21
Pressure Loss Tables
Pressure Loss Per 100 Feet 3" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
21 1.49 0.43 0.40 0.38 0.37 0.35 0.34 0.33 0.33
22 1.56 0.47 0.44 0.42 0.40 0.38 0.37 0.36 0.36
23 1.63 0.51 0.47 0.45 0.44 0.42 0.40 0.40 0.39
24 1.70 0.56 0.51 0.49 0.47 0.45 0.44 0.43 0.42
25 1.78 0.60 0.55 0.53 0.51 0.48 0.47 0.46 0.45
26 1.85 0.65 0.60 0.57 0.55 0.52 0.51 0.50 0.49
27 1.92 0.69 0.64 0.61 0.59 0.56 0.54 0.53 0.52
28 1.99 0.74 0.68 0.65 0.63 0.60 0.58 0.57 0.56
29 2.06 0.79 0.73 0.69 0.67 0.64 0.62 0.61 0.60
30 2.13 0.84 0.78 0.74 0.71 0.68 0.66 0.65 0.63
31 2.20 0.89 0.82 0.78 0.76 0.72 0.70 0.69 0.67
32 2.27 0.95 0.87 0.83 0.80 0.77 0.74 0.73 0.71
33 2.34 1.00 0.93 0.88 0.85 0.81 0.79 0.77 0.76
34 2.42 1.06 0.98 0.93 0.90 0.86 0.83 0.82 0.80
35 2.49 1.12 1.03 0.98 0.95 0.90 0.88 0.86 0.84
36 2.56 1.18 1.09 1.03 1.00 0.95 0.92 0.91 0.89
37 2.63 1.24 1.14 1.09 1.05 1.00 0.97 0.95 0.93
38 2.70 1.30 1.20 1.14 1.10 1.05 1.02 1.00 0.98
39 2.77 1.37 1.26 1.20 1.16 1.10 1.07 1.05 1.03
40 2.84 1.43 1.32 1.26 1.21 1.16 1.12 1.10 1.08
41 2.91 1.50 1.38 1.31 1.27 1.21 1.18 1.15 1.13
42 2.98 1.57 1.45 1.37 1.33 1.27 1.23 1.21 1.18
43 3.05 1.64 1.51 1.43 1.38 1.32 1.28 1.26 1.23
44 3.13 1.71 1.58 1.50 1.44 1.38 1.34 1.31 1.29
45 3.20 1.78 1.64 1.56 1.51 1.44 1.40 1.37 1.34
46 3.27 1.85 1.71 1.63 1.57 1.50 1.45 1.43 1.40
47 3.34 1.93 1.78 1.69 1.63 1.56 1.51 1.48 1.45
48 3.41 2.01 1.85 1.76 1.70 1.62 1.57 1.54 1.51
49 3.48 2.08 1.92 1.83 1.76 1.68 1.63 1.60 1.57
50 3.55 2.16 2.00 1.90 1.83 1.75 1.70 1.66 1.63
52 3.69 2.33 2.15 2.04 1.97 1.88 1.82 1.79 1.75
54 3.84 2.49 2.30 2.19 2.11 2.01 1.96 1.92 1.88
56 3.98 2.67 2.46 2.34 2.26 2.15 2.09 2.05 2.01
58 4.12 2.85 2.63 2.50 2.41 2.30 2.23 2.19 2.15
60 4.26 3.03 2.80 2.66 2.56 2.45 2.38 2.33 2.28
62 4.40 3.22 2.97 2.82 2.72 2.60 2.53 2.48 2.43
64 4.55 3.41 3.15 2.99 2.89 2.76 2.68 2.63 2.57
66 4.69 3.61 3.34 3.17 3.06 2.92 2.84 2.78 2.73
68 4.83 3.82 3.53 3.35 3.23 3.09 3.00 2.94 2.88
70 4.97 4.03 3.72 3.53 3.41 3.26 3.16 3.10 3.04
72 5.11 4.25 3.92 3.72 3.59 3.43 3.33 3.27 3.20
74 5.26 4.47 4.12 3.92 3.78 3.61 3.50 3.44 3.37
76 5.40 4.69 4.33 4.12 3.97 3.79 3.68 3.61 3.54
78 5.54 4.92 4.55 4.32 4.17 3.98 3.86 3.79 3.71
80 5.68 5.16 4.76 4.52 4.37 4.17 4.05 3.97 3.89
82 5.83 5.40 4.99 4.74 4.57 4.36 4.24 4.15 4.07
84 5.97 5.65 5.21 4.95 4.78 4.56 4.43 4.34 4.26
86 6.11 5.90 5.44 5.17 4.99 4.76 4.63 4.54 4.45
88 6.25 6.15 5.68 5.40 5.21 4.97 4.83 4.73 4.64
90 6.39 6.42 5.92 5.63 5.43 5.18 5.03 4.94 4.84
92 6.54 6.68 6.17 5.86 5.65 5.40 5.24 5.14 5.04
94 6.68 6.95 6.42 6.10 5.88 5.62 5.46 5.35 5.24
Pressure Loss Per 100 Feet 3" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
96 6.82 7.23 6.67 6.34 6.12 5.84 5.67 5.56 5.45
98 6.96 7.51 6.93 6.59 6.36 6.07 5.89 5.78 5.66
100 7.10 7.80 7.20 6.84 6.60 6.30 6.12 6.00 5.88
102 7.25 8.09 7.47 7.09 6.84 6.53 6.35 6.22 6.10
104 7.39 8.38 7.74 7.35 7.09 6.77 6.58 6.45 6.32
106 7.53 8.68 8.02 7.62 7.35 7.01 6.81 6.68 6.55
108 7.67 8.99 8.30 7.88 7.61 7.26 7.05 6.92 6.78
110 7.81 9.30 8.59 8.16 7.87 7.51 7.30 7.15 7.01
112 7.96 9.62 8.88 8.43 8.14 7.77 7.54 7.40 7.25
114 8.10 9.94 9.17 8.71 8.41 8.03 7.80 7.64 7.49
116 8.24 10.26 9.47 9.00 8.68 8.29 8.05 7.89 7.73
118 8.38 10.59 9.78 9.29 8.96 8.55 8.31 8.15 7.98
120 8.52 10.92 10.08 9.58 9.24 8.82 8.57 8.40 8.24
122 8.67 11.26 10.40 9.88 9.53 9.10 8.84 8.66 8.49
124 8.81 11.61 10.72 10.18 9.82 9.38 9.11 8.93 8.75
126 8.95 11.96 11.04 10.49 10.12 9.66 9.38 9.20 9.01
128 9.09 12.31 11.36 10.80 10.42 9.94 9.66 9.47 9.28
130 9.23 12.67 11.69 11.11 10.72 10.23 9.94 9.74 9.55
132 9.38 13.03 12.03 11.43 11.03 10.53 10.22 10.02 9.82
134 9.52 13.40 12.37 11.75 11.34 10.82 10.51 10.31 10.10
136 9.66 13.77 12.71 12.08 11.65 11.12 10.81 10.59 10.38
138 9.80 14.15 13.06 12.41 11.97 11.43 11.10 10.88 10.67
140 9.95 14.53 13.41 12.74 12.29 11.74 11.40 11.18 10.95
142 10.09 14.92 13.77 13.08 12.62 12.05 11.70 11.47 11.24
22
Pressure Loss Tables
Pressure Loss Per 100 Feet 3" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
21 1.49 0.54 0.50 0.47 0.46 0.44 0.42 0.41 0.41
22 1.56 0.59 0.54 0.51 0.50 0.47 0.46 0.45 0.44
23 1.63 0.64 0.59 0.56 0.54 0.51 0.50 0.49 0.48
24 1.70 0.69 0.64 0.60 0.58 0.56 0.54 0.53 0.52
25 1.78 0.74 0.69 0.65 0.63 0.60 0.58 0.57 0.56
26 1.85 0.80 0.74 0.70 0.68 0.65 0.63 0.62 0.60
27 1.92 0.86 0.79 0.75 0.73 0.69 0.67 0.66 0.65
28 1.99 0.92 0.85 0.80 0.78 0.74 0.72 0.71 0.69
29 2.06 0.98 0.90 0.86 0.83 0.79 0.77 0.75 0.74
30 2.13 1.04 0.96 0.91 0.88 0.84 0.82 0.80 0.79
31 2.20 1.11 1.02 0.97 0.94 0.89 0.87 0.85 0.83
32 2.27 1.17 1.08 1.03 0.99 0.95 0.92 0.90 0.89
33 2.34 1.24 1.15 1.09 1.05 1.00 0.98 0.96 0.94
34 2.42 1.31 1.21 1.15 1.11 1.06 1.03 1.01 0.99
35 2.49 1.39 1.28 1.22 1.17 1.12 1.09 1.07 1.05
36 2.56 1.46 1.35 1.28 1.24 1.18 1.15 1.12 1.10
37 2.63 1.54 1.42 1.35 1.30 1.24 1.21 1.18 1.16
38 2.70 1.61 1.49 1.42 1.37 1.30 1.27 1.24 1.22
39 2.77 1.69 1.56 1.49 1.43 1.37 1.33 1.30 1.28
40 2.84 1.77 1.64 1.56 1.50 1.43 1.39 1.37 1.34
41 2.91 1.86 1.71 1.63 1.57 1.50 1.46 1.43 1.40
42 2.98 1.94 1.79 1.70 1.64 1.57 1.52 1.49 1.46
43 3.05 2.03 1.87 1.78 1.72 1.64 1.59 1.56 1.53
44 3.13 2.12 1.95 1.86 1.79 1.71 1.66 1.63 1.60
45 3.20 2.21 2.04 1.94 1.87 1.78 1.73 1.70 1.66
46 3.27 2.30 2.12 2.02 1.94 1.86 1.80 1.77 1.73
47 3.34 2.39 2.21 2.10 2.02 1.93 1.88 1.84 1.80
48 3.41 2.49 2.30 2.18 2.10 2.01 1.95 1.91 1.87
49 3.48 2.58 2.38 2.27 2.19 2.09 2.03 1.99 1.95
50 3.55 2.68 2.48 2.35 2.27 2.17 2.10 2.06 2.02
52 3.69 2.88 2.66 2.53 2.44 2.33 2.26 2.22 2.17
54 3.84 3.09 2.85 2.71 2.62 2.50 2.43 2.38 2.33
56 3.98 3.31 3.05 2.90 2.80 2.67 2.60 2.54 2.49
58 4.12 3.53 3.26 3.09 2.99 2.85 2.77 2.71 2.66
60 4.26 3.76 3.47 3.30 3.18 3.04 2.95 2.89 2.83
62 4.40 3.99 3.69 3.50 3.38 3.22 3.13 3.07 3.01
64 4.55 4.23 3.91 3.71 3.58 3.42 3.32 3.26 3.19
66 4.69 4.48 4.14 3.93 3.79 3.62 3.52 3.45 3.38
68 4.83 4.74 4.37 4.15 4.01 3.83 3.72 3.64 3.57
70 4.97 5.00 4.61 4.38 4.23 4.04 3.92 3.84 3.77
72 5.11 5.27 4.86 4.62 4.46 4.25 4.13 4.05 3.97
74 5.26 5.54 5.11 4.86 4.69 4.47 4.35 4.26 4.18
76 5.40 5.82 5.37 5.10 4.92 4.70 4.57 4.48 4.39
78 5.54 6.11 5.64 5.35 5.17 4.93 4.79 4.70 4.60
80 5.68 6.40 5.91 5.61 5.41 5.17 5.02 4.92 4.82
82 5.83 6.70 6.18 5.87 5.67 5.41 5.25 5.15 5.05
84 5.97 7.00 6.46 6.14 5.93 5.66 5.49 5.39 5.28
86 6.11 7.31 6.75 6.41 6.19 5.91 5.74 5.63 5.51
88 6.25 7.63 7.05 6.69 6.46 6.16 5.99 5.87 5.75
90 6.39 7.96 7.34 6.98 6.73 6.43 6.24 6.12 6.00
92 6.54 8.29 7.65 7.27 7.01 6.69 6.50 6.37 6.25
94 6.68 8.62 7.96 7.56 7.30 6.96 6.77 6.63 6.50
Pressure Loss Per 100 Feet 3" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
96 6.82 8.97 8.28 7.86 7.59 7.24 7.03 6.90 6.76
98 6.96 9.31 8.60 8.17 7.88 7.52 7.31 7.16 7.02
100 7.10 9.67 8.92 8.48 8.18 7.81 7.59 7.44 7.29
102 7.25 10.03 9.26 8.79 8.49 8.10 7.87 7.71 7.56
104 7.39 10.40 9.60 9.12 8.80 8.40 8.16 8.00 7.84
106 7.53 10.77 9.94 9.44 9.11 8.70 8.45 8.28 8.12
108 7.67 11.15 10.29 9.78 9.43 9.00 8.75 8.58 8.40
110 7.81 11.53 10.65 10.11 9.76 9.31 9.05 8.87 8.69
112 7.96 11.92 11.01 10.46 10.09 9.63 9.36 9.17 8.99
114 8.10 12.32 11.37 10.80 10.42 9.95 9.67 9.48 9.29
116 8.24 12.72 11.74 11.16 10.77 10.28 9.98 9.79 9.59
118 8.38 13.13 12.12 11.52 11.11 10.61 10.30 10.10 9.90
120 8.52 13.55 12.50 11.88 11.46 10.94 10.63 10.42 10.21
122 8.67 13.97 12.89 12.25 11.82 11.28 10.96 10.74 10.53
124 8.81 14.39 13.29 12.62 12.18 11.63 11.29 11.07 10.85
126 8.95 14.83 13.69 13.00 12.55 11.98 11.63 11.40 11.18
128 9.09 15.26 14.09 13.39 12.92 12.33 11.98 11.74 11.51
130 9.23 15.71 14.50 13.78 13.29 12.69 12.33 12.08 11.84
132 9.38 16.16 14.92 14.17 13.67 13.05 12.68 12.43 12.18
134 9.52 16.61 15.34 14.57 14.06 13.42 13.04 12.78 12.52
136 9.66 17.08 15.76 14.97 14.45 13.79 13.40 13.14 12.87
138 9.80 17.54 16.19 15.38 14.84 14.17 13.77 13.50 13.23
140 9.95 18.02 16.63 15.80 15.25 14.55 14.14 13.86 13.58
142 10.09 18.50 17.07 16.22 15.65 14.94 14.51 14.23 13.94
23
Pressure Loss Tables
Pressure Loss Per 100 Feet 3" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
21 1.49 0.58 0.53 0.51 0.49 0.47 0.45 0.44 0.44
22 1.56 0.63 0.58 0.55 0.53 0.51 0.49 0.48 0.47
23 1.63 0.68 0.63 0.60 0.58 0.55 0.54 0.53 0.52
24 1.70 0.74 0.68 0.65 0.63 0.60 0.58 0.57 0.56
25 1.78 0.80 0.74 0.70 0.68 0.64 0.63 0.61 0.60
26 1.85 0.86 0.79 0.75 0.73 0.69 0.67 0.66 0.65
27 1.92 0.92 0.85 0.81 0.78 0.74 0.72 0.71 0.69
28 1.99 0.98 0.91 0.86 0.83 0.79 0.77 0.76 0.74
29 2.06 1.05 0.97 0.92 0.89 0.85 0.82 0.81 0.79
30 2.13 1.12 1.03 0.98 0.95 0.90 0.88 0.86 0.84
31 2.20 1.19 1.10 1.04 1.01 0.96 0.93 0.91 0.90
32 2.27 1.26 1.16 1.10 1.07 1.02 0.99 0.97 0.95
33 2.34 1.33 1.23 1.17 1.13 1.08 1.05 1.03 1.01
34 2.42 1.41 1.30 1.24 1.19 1.14 1.11 1.08 1.06
35 2.49 1.49 1.37 1.30 1.26 1.20 1.17 1.14 1.12
36 2.56 1.57 1.45 1.37 1.33 1.27 1.23 1.21 1.18
37 2.63 1.65 1.52 1.45 1.39 1.33 1.29 1.27 1.24
38 2.70 1.73 1.60 1.52 1.46 1.40 1.36 1.33 1.31
39 2.77 1.82 1.68 1.59 1.54 1.47 1.43 1.40 1.37
40 2.84 1.90 1.76 1.67 1.61 1.54 1.49 1.46 1.44
41 2.91 1.99 1.84 1.75 1.69 1.61 1.56 1.53 1.50
42 2.98 2.08 1.92 1.83 1.76 1.68 1.63 1.60 1.57
43 3.05 2.18 2.01 1.91 1.84 1.76 1.71 1.67 1.64
44 3.13 2.27 2.10 1.99 1.92 1.83 1.78 1.75 1.71
45 3.20 2.37 2.19 2.08 2.00 1.91 1.86 1.82 1.78
46 3.27 2.47 2.28 2.16 2.09 1.99 1.93 1.90 1.86
47 3.34 2.57 2.37 2.25 2.17 2.07 2.01 1.97 1.93
48 3.41 2.67 2.46 2.34 2.26 2.15 2.09 2.05 2.01
49 3.48 2.77 2.56 2.43 2.34 2.24 2.17 2.13 2.09
50 3.55 2.88 2.66 2.52 2.43 2.32 2.26 2.21 2.17
52 3.69 3.09 2.86 2.71 2.62 2.50 2.43 2.38 2.33
54 3.84 3.32 3.06 2.91 2.81 2.68 2.60 2.55 2.50
56 3.98 3.55 3.27 3.11 3.00 2.87 2.78 2.73 2.67
58 4.12 3.79 3.49 3.32 3.20 3.06 2.97 2.91 2.85
60 4.26 4.03 3.72 3.53 3.41 3.26 3.16 3.10 3.04
62 4.40 4.28 3.95 3.76 3.62 3.46 3.36 3.29 3.23
64 4.55 4.54 4.19 3.98 3.84 3.67 3.56 3.49 3.42
66 4.69 4.81 4.44 4.22 4.07 3.88 3.77 3.70 3.62
68 4.83 5.08 4.69 4.46 4.30 4.10 3.99 3.91 3.83
70 4.97 5.36 4.95 4.70 4.54 4.33 4.21 4.12 4.04
72 5.11 5.65 5.21 4.95 4.78 4.56 4.43 4.34 4.26
74 5.26 5.94 5.48 5.21 5.03 4.80 4.66 4.57 4.48
76 5.40 6.24 5.76 5.47 5.28 5.04 4.90 4.80 4.71
78 5.54 6.55 6.04 5.74 5.54 5.29 5.14 5.04 4.94
80 5.68 6.86 6.33 6.02 5.81 5.54 5.38 5.28 5.17
82 5.83 7.18 6.63 6.30 6.08 5.80 5.64 5.53 5.42
84 5.97 7.51 6.93 6.59 6.36 6.07 5.89 5.78 5.66
86 6.11 7.85 7.24 6.88 6.64 6.34 6.16 6.03 5.91
88 6.25 8.19 7.56 7.18 6.93 6.61 6.42 6.30 6.17
90 6.39 8.53 7.88 7.48 7.22 6.89 6.70 6.56 6.43
92 6.54 8.89 8.20 7.79 7.52 7.18 6.97 6.84 6.70
94 6.68 9.25 8.54 8.11 7.83 7.47 7.26 7.11 6.97
Pressure Loss Per 100 Feet 3" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
96 6.82 9.62 8.88 8.43 8.14 7.77 7.54 7.40 7.25
98 6.96 9.99 9.22 8.76 8.45 8.07 7.84 7.68 7.53
100 7.10 10.37 9.57 9.09 8.77 8.38 8.14 7.98 7.82
102 7.25 10.76 9.93 9.43 9.10 8.69 8.44 8.27 8.11
104 7.39 11.15 10.29 9.78 9.44 9.01 8.75 8.58 8.41
106 7.53 11.55 10.66 10.13 9.77 9.33 9.06 8.88 8.71
108 7.67 11.96 11.04 10.49 10.12 9.66 9.38 9.20 9.01
110 7.81 12.37 11.42 10.85 10.47 9.99 9.71 9.52 9.32
112 7.96 12.79 11.81 11.21 10.82 10.33 10.03 9.84 9.64
114 8.10 13.21 12.20 11.59 11.18 10.67 10.37 10.17 9.96
116 8.24 13.65 12.60 11.97 11.55 11.02 10.71 10.50 10.29
118 8.38 14.09 13.00 12.35 11.92 11.38 11.05 10.83 10.62
120 8.52 14.53 13.41 12.74 12.29 11.74 11.40 11.18 10.95
122 8.67 14.98 13.83 13.14 12.68 12.10 11.75 11.52 11.29
124 8.81 15.44 14.25 13.54 13.06 12.47 12.11 11.88 11.64
126 8.95 15.90 14.68 13.95 13.46 12.84 12.48 12.23 11.99
128 9.09 16.37 15.11 14.36 13.85 13.22 12.85 12.59 12.34
130 9.23 16.85 15.55 14.78 14.26 13.61 13.22 12.96 12.70
132 9.38 17.33 16.00 15.20 14.67 14.00 13.60 13.33 13.07
134 9.52 17.82 16.45 15.63 15.08 14.39 13.98 13.71 13.43
136 9.66 18.32 16.91 16.06 15.50 14.79 14.37 14.09 13.81
138 9.80 18.82 17.37 16.50 15.92 15.20 14.76 14.47 14.19
140 9.95 19.32 17.84 16.95 16.35 15.61 15.16 14.87 14.57
142 10.09 19.84 18.31 17.40 16.79 16.02 15.57 15.26 14.96
24
Pressure Loss Tables
Pressure Loss Per 100 Feet 3" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
21 1.49 0.61 0.56 0.53 0.51 0.49 0.48 0.47 0.46
22 1.56 0.66 0.61 0.58 0.56 0.54 0.52 0.51 0.50
23 1.63 0.72 0.66 0.63 0.61 0.58 0.56 0.55 0.54
24 1.70 0.78 0.72 0.68 0.66 0.63 0.61 0.60 0.59
25 1.78 0.84 0.78 0.74 0.71 0.68 0.66 0.65 0.63
26 1.85 0.90 0.83 0.79 0.76 0.73 0.71 0.69 0.68
27 1.92 0.97 0.89 0.85 0.82 0.78 0.76 0.74 0.73
28 1.99 1.04 0.96 0.91 0.88 0.84 0.81 0.80 0.78
29 2.06 1.11 1.02 0.97 0.94 0.89 0.87 0.85 0.83
30 2.13 1.18 1.09 1.03 1.00 0.95 0.92 0.91 0.89
31 2.20 1.25 1.15 1.10 1.06 1.01 0.98 0.96 0.94
32 2.27 1.33 1.22 1.16 1.12 1.07 1.04 1.02 1.00
33 2.34 1.40 1.30 1.23 1.19 1.13 1.10 1.08 1.06
34 2.42 1.48 1.37 1.30 1.26 1.20 1.16 1.14 1.12
35 2.49 1.57 1.44 1.37 1.32 1.26 1.23 1.20 1.18
36 2.56 1.65 1.52 1.45 1.40 1.33 1.29 1.27 1.24
37 2.63 1.73 1.60 1.52 1.47 1.40 1.36 1.33 1.31
38 2.70 1.82 1.68 1.60 1.54 1.47 1.43 1.40 1.37
39 2.77 1.91 1.77 1.68 1.62 1.54 1.50 1.47 1.44
40 2.84 2.00 1.85 1.76 1.70 1.62 1.57 1.54 1.51
41 2.91 2.10 1.94 1.84 1.77 1.69 1.65 1.61 1.58
42 2.98 2.19 2.02 1.92 1.86 1.77 1.72 1.69 1.65
43 3.05 2.29 2.11 2.01 1.94 1.85 1.80 1.76 1.73
44 3.13 2.39 2.21 2.10 2.02 1.93 1.88 1.84 1.80
45 3.20 2.49 2.30 2.19 2.11 2.01 1.96 1.92 1.88
46 3.27 2.60 2.40 2.28 2.20 2.10 2.04 2.00 1.96
47 3.34 2.70 2.49 2.37 2.29 2.18 2.12 2.08 2.04
48 3.41 2.81 2.59 2.46 2.38 2.27 2.20 2.16 2.12
49 3.48 2.92 2.69 2.56 2.47 2.36 2.29 2.24 2.20
50 3.55 3.03 2.80 2.66 2.56 2.45 2.38 2.33 2.28
52 3.69 3.26 3.01 2.86 2.75 2.63 2.55 2.50 2.45
54 3.84 3.49 3.22 3.06 2.95 2.82 2.74 2.69 2.63
56 3.98 3.73 3.45 3.27 3.16 3.02 2.93 2.87 2.82
58 4.12 3.98 3.68 3.49 3.37 3.22 3.13 3.07 3.00
60 4.26 4.24 3.92 3.72 3.59 3.43 3.33 3.26 3.20
62 4.40 4.51 4.16 3.95 3.81 3.64 3.54 3.47 3.40
64 4.55 4.78 4.41 4.19 4.05 3.86 3.75 3.68 3.60
66 4.69 5.06 4.67 4.44 4.28 4.09 3.97 3.89 3.82
68 4.83 5.35 4.94 4.69 4.53 4.32 4.20 4.11 4.03
70 4.97 5.64 5.21 4.95 4.77 4.56 4.43 4.34 4.25
72 5.11 5.94 5.49 5.21 5.03 4.80 4.66 4.57 4.48
74 5.26 6.25 5.77 5.48 5.29 5.05 4.91 4.81 4.71
76 5.40 6.57 6.06 5.76 5.56 5.31 5.15 5.05 4.95
78 5.54 6.89 6.36 6.04 5.83 5.57 5.41 5.30 5.20
80 5.68 7.22 6.67 6.33 6.11 5.83 5.67 5.56 5.45
82 5.83 7.56 6.98 6.63 6.40 6.11 5.93 5.82 5.70
84 5.97 7.91 7.30 6.93 6.69 6.39 6.20 6.08 5.96
86 6.11 8.26 7.62 7.24 6.99 6.67 6.48 6.35 6.23
88 6.25 8.62 7.95 7.56 7.29 6.96 6.76 6.63 6.50
90 6.39 8.98 8.29 7.88 7.60 7.26 7.05 6.91 6.77
92 6.54 9.36 8.64 8.20 7.92 7.56 7.34 7.20 7.05
94 6.68 9.74 8.99 8.54 8.24 7.86 7.64 7.49 7.34
Pressure Loss Per 100 Feet 3" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
96 6.82 10.12 9.34 8.88 8.56 8.18 7.94 7.79 7.63
98 6.96 10.52 9.71 9.22 8.90 8.49 8.25 8.09 7.93
100 7.10 10.92 10.08 9.57 9.24 8.82 8.56 8.40 8.23
102 7.25 11.32 10.45 9.93 9.58 9.15 8.88 8.71 8.54
104 7.39 11.74 10.83 10.29 9.93 9.48 9.21 9.03 8.85
106 7.53 12.16 11.22 10.66 10.29 9.82 9.54 9.35 9.17
108 7.67 12.59 11.62 11.04 10.65 10.17 9.88 9.68 9.49
110 7.81 13.02 12.02 11.42 11.02 10.52 10.22 10.02 9.82
112 7.96 13.46 12.43 11.81 11.39 10.87 10.56 10.36 10.15
114 8.10 13.91 12.84 12.20 11.77 11.24 10.91 10.70 10.49
116 8.24 14.36 13.26 12.60 12.15 11.60 11.27 11.05 10.83
118 8.38 14.83 13.69 13.00 12.55 11.98 11.63 11.41 11.18
120 8.52 15.29 14.12 13.41 12.94 12.35 12.00 11.77 11.53
122 8.67 15.77 14.56 13.83 13.34 12.74 12.37 12.13 11.89
124 8.81 16.25 15.00 14.25 13.75 13.13 12.75 12.50 12.25
126 8.95 16.74 15.45 14.68 14.16 13.52 13.13 12.88 12.62
128 9.09 17.23 15.91 15.11 14.58 13.92 13.52 13.26 12.99
130 9.23 17.74 16.37 15.55 15.01 14.33 13.92 13.64 13.37
132 9.38 18.24 16.84 16.00 15.44 14.74 14.31 14.03 13.75
134 9.52 18.76 17.32 16.45 15.87 15.15 14.72 14.43 14.14
136 9.66 19.28 17.80 16.91 16.31 15.57 15.13 14.83 14.53
138 9.80 19.81 18.28 17.37 16.76 16.00 15.54 15.24 14.93
140 9.95 20.34 18.78 17.84 17.21 16.43 15.96 15.65 15.33
142 10.09 20.88 19.28 18.31 17.67 16.87 16.39 16.06 15.74
25
Pressure Loss Tables
Pressure Loss Per 100 Feet 31⁄2" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
30 1.58 0.41 0.38 0.36 0.34 0.33 0.32 0.31 0.31
31 1.63 0.43 0.40 0.38 0.37 0.35 0.34 0.33 0.33
32 1.69 0.46 0.42 0.40 0.39 0.37 0.36 0.35 0.35
33 1.74 0.49 0.45 0.43 0.41 0.39 0.38 0.37 0.37
34 1.79 0.51 0.47 0.45 0.43 0.41 0.40 0.39 0.39
35 1.84 0.54 0.50 0.47 0.46 0.44 0.42 0.42 0.41
36 1.90 0.57 0.53 0.50 0.48 0.46 0.45 0.44 0.43
37 1.95 0.60 0.55 0.53 0.51 0.48 0.47 0.46 0.45
38 2.00 0.63 0.58 0.55 0.53 0.51 0.49 0.48 0.47
39 2.06 0.66 0.61 0.58 0.56 0.53 0.52 0.51 0.50
40 2.11 0.69 0.64 0.61 0.59 0.56 0.54 0.53 0.52
41 2.16 0.72 0.67 0.64 0.61 0.59 0.57 0.56 0.55
42 2.21 0.76 0.70 0.66 0.64 0.61 0.59 0.58 0.57
43 2.27 0.79 0.73 0.69 0.67 0.64 0.62 0.61 0.60
44 2.32 0.83 0.76 0.72 0.70 0.67 0.65 0.64 0.62
45 2.37 0.86 0.79 0.76 0.73 0.70 0.68 0.66 0.65
46 2.42 0.90 0.83 0.79 0.76 0.72 0.70 0.69 0.68
47 2.48 0.93 0.86 0.82 0.79 0.75 0.73 0.72 0.70
48 2.53 0.97 0.90 0.85 0.82 0.78 0.76 0.75 0.73
49 2.58 1.01 0.93 0.88 0.85 0.81 0.79 0.78 0.76
50 2.64 1.05 0.97 0.92 0.89 0.85 0.82 0.80 0.79
52 2.74 1.13 1.04 0.99 0.95 0.91 0.88 0.87 0.85
54 2.85 1.21 1.11 1.06 1.02 0.97 0.95 0.93 0.91
56 2.95 1.29 1.19 1.13 1.09 1.04 1.01 0.99 0.97
58 3.06 1.38 1.27 1.21 1.17 1.11 1.08 1.06 1.04
60 3.16 1.47 1.35 1.29 1.24 1.18 1.15 1.13 1.11
62 3.27 1.56 1.44 1.37 1.32 1.26 1.22 1.20 1.17
64 3.37 1.65 1.52 1.45 1.40 1.33 1.30 1.27 1.25
66 3.48 1.75 1.61 1.53 1.48 1.41 1.37 1.35 1.32
68 3.58 1.85 1.71 1.62 1.56 1.49 1.45 1.42 1.39
70 3.69 1.95 1.80 1.71 1.65 1.57 1.53 1.50 1.47
72 3.79 2.05 1.90 1.80 1.74 1.66 1.61 1.58 1.55
74 3.90 2.16 1.99 1.89 1.83 1.75 1.70 1.66 1.63
76 4.01 2.27 2.10 1.99 1.92 1.83 1.78 1.75 1.71
78 4.11 2.38 2.20 2.09 2.02 1.92 1.87 1.83 1.80
80 4.22 2.50 2.30 2.19 2.11 2.02 1.96 1.92 1.88
82 4.32 2.61 2.41 2.29 2.21 2.11 2.05 2.01 1.97
84 4.43 2.73 2.52 2.40 2.31 2.21 2.14 2.10 2.06
86 4.53 2.85 2.63 2.50 2.41 2.30 2.24 2.19 2.15
88 4.64 2.98 2.75 2.61 2.52 2.40 2.34 2.29 2.24
90 4.74 3.10 2.87 2.72 2.63 2.51 2.44 2.39 2.34
92 4.85 3.23 2.98 2.83 2.74 2.61 2.54 2.49 2.44
94 4.95 3.36 3.11 2.95 2.85 2.72 2.64 2.59 2.54
96 5.06 3.50 3.23 3.07 2.96 2.82 2.74 2.69 2.64
98 5.17 3.63 3.35 3.19 3.07 2.93 2.85 2.79 2.74
100 5.27 3.77 3.48 3.31 3.19 3.05 2.96 2.90 2.84
102 5.38 3.91 3.61 3.43 3.31 3.16 3.07 3.01 2.95
104 5.48 4.06 3.74 3.56 3.43 3.28 3.18 3.12 3.06
106 5.59 4.20 3.88 3.68 3.55 3.39 3.30 3.23 3.17
108 5.69 4.35 4.01 3.81 3.68 3.51 3.41 3.35 3.28
110 5.80 4.50 4.15 3.95 3.81 3.63 3.53 3.46 3.39
112 5.90 4.65 4.29 4.08 3.94 3.76 3.65 3.58 3.51
Pressure Loss Per 100 Feet 31⁄2" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
114 6.01 4.81 4.44 4.21 4.07 3.88 3.77 3.70 3.62
116 6.11 4.96 4.58 4.35 4.20 4.01 3.89 3.82 3.74
118 6.22 5.12 4.73 4.49 4.33 4.14 4.02 3.94 3.86
120 6.32 5.28 4.88 4.63 4.47 4.27 4.15 4.07 3.98
122 6.43 5.45 5.03 4.78 4.61 4.40 4.28 4.19 4.11
124 6.54 5.62 5.18 4.92 4.75 4.54 4.41 4.32 4.23
126 6.64 5.78 5.34 5.07 4.89 4.67 4.54 4.45 4.36
128 6.75 5.96 5.50 5.22 5.04 4.81 4.67 4.58 4.49
130 6.85 6.13 5.66 5.37 5.19 4.95 4.81 4.71 4.62
132 6.96 6.30 5.82 5.53 5.33 5.09 4.95 4.85 4.75
134 7.06 6.48 5.98 5.68 5.48 5.24 5.09 4.99 4.89
136 7.17 6.66 6.15 5.84 5.64 5.38 5.23 5.12 5.02
138 7.27 6.84 6.32 6.00 5.79 5.53 5.37 5.26 5.16
140 7.38 7.03 6.49 6.16 5.95 5.68 5.51 5.41 5.30
142 7.48 7.22 6.66 6.33 6.11 5.83 5.66 5.55 5.44
144 7.59 7.40 6.84 6.49 6.27 5.98 5.81 5.70 5.58
146 7.69 7.60 7.01 6.66 6.43 6.14 5.96 5.84 5.73
148 7.80 7.79 7.19 6.83 6.59 6.29 6.11 5.99 5.87
150 7.91 7.99 7.37 7.00 6.76 6.45 6.27 6.14 6.02
155 8.17 8.49 7.83 7.44 7.18 6.85 6.66 6.53 6.40
160 8.43 9.00 8.31 7.89 7.61 7.27 7.06 6.92 6.78
165 8.70 9.53 8.79 8.35 8.06 7.69 7.47 7.33 7.18
170 8.96 10.07 9.29 8.83 8.52 8.13 7.90 7.74 7.59
175 9.22 10.62 9.80 9.31 8.99 8.58 8.33 8.17 8.01
180 9.49 11.19 10.33 9.81 9.47 9.04 8.78 8.61 8.43
185 9.75 11.77 10.87 10.32 9.96 9.51 9.24 9.05 8.87
190 10.01 12.37 11.42 10.84 10.46 9.99 9.70 9.51 9.32
26
Pressure Loss Tables
Pressure Loss Per 100 Feet 31⁄2" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
30 1.58 0.50 0.47 0.44 0.43 0.41 0.40 0.39 0.38
31 1.63 0.54 0.49 0.47 0.45 0.43 0.42 0.41 0.40
32 1.69 0.57 0.52 0.50 0.48 0.46 0.45 0.44 0.43
33 1.74 0.60 0.56 0.53 0.51 0.49 0.47 0.46 0.45
34 1.79 0.64 0.59 0.56 0.54 0.51 0.50 0.49 0.48
35 1.84 0.67 0.62 0.59 0.57 0.54 0.53 0.52 0.51
36 1.90 0.71 0.65 0.62 0.60 0.57 0.55 0.54 0.53
37 1.95 0.74 0.69 0.65 0.63 0.60 0.58 0.57 0.56
38 2.00 0.78 0.72 0.68 0.66 0.63 0.61 0.60 0.59
39 2.06 0.82 0.76 0.72 0.69 0.66 0.64 0.63 0.62
40 2.11 0.86 0.79 0.75 0.73 0.69 0.67 0.66 0.65
41 2.16 0.90 0.83 0.79 0.76 0.73 0.71 0.69 0.68
42 2.21 0.94 0.87 0.82 0.80 0.76 0.74 0.72 0.71
43 2.27 0.98 0.91 0.86 0.83 0.79 0.77 0.75 0.74
44 2.32 1.02 0.95 0.90 0.87 0.83 0.80 0.79 0.77
45 2.37 1.07 0.99 0.94 0.90 0.86 0.84 0.82 0.80
46 2.42 1.11 1.03 0.98 0.94 0.90 0.87 0.86 0.84
47 2.48 1.16 1.07 1.01 0.98 0.93 0.91 0.89 0.87
48 2.53 1.20 1.11 1.05 1.02 0.97 0.94 0.93 0.91
49 2.58 1.25 1.15 1.10 1.06 1.01 0.98 0.96 0.94
50 2.64 1.30 1.20 1.14 1.10 1.05 1.02 1.00 0.98
52 2.74 1.40 1.29 1.22 1.18 1.13 1.09 1.07 1.05
54 2.85 1.50 1.38 1.31 1.27 1.21 1.17 1.15 1.13
56 2.95 1.60 1.48 1.40 1.35 1.29 1.26 1.23 1.21
58 3.06 1.71 1.58 1.50 1.44 1.38 1.34 1.31 1.29
60 3.16 1.82 1.68 1.59 1.54 1.47 1.43 1.40 1.37
62 3.27 1.93 1.78 1.69 1.63 1.56 1.52 1.49 1.46
64 3.37 2.05 1.89 1.80 1.73 1.65 1.61 1.58 1.54
66 3.48 2.17 2.00 1.90 1.83 1.75 1.70 1.67 1.63
68 3.58 2.29 2.12 2.01 1.94 1.85 1.80 1.76 1.73
70 3.69 2.42 2.23 2.12 2.05 1.95 1.90 1.86 1.82
72 3.79 2.55 2.35 2.23 2.16 2.06 2.00 1.96 1.92
74 3.90 2.68 2.47 2.35 2.27 2.16 2.10 2.06 2.02
76 4.01 2.81 2.60 2.47 2.38 2.27 2.21 2.17 2.12
78 4.11 2.95 2.73 2.59 2.50 2.39 2.32 2.27 2.23
80 4.22 3.10 2.86 2.71 2.62 2.50 2.43 2.38 2.33
82 4.32 3.24 2.99 2.84 2.74 2.62 2.54 2.49 2.44
84 4.43 3.39 3.13 2.97 2.87 2.74 2.66 2.61 2.55
86 4.53 3.54 3.27 3.10 2.99 2.86 2.78 2.72 2.67
88 4.64 3.69 3.41 3.24 3.12 2.98 2.90 2.84 2.78
90 4.74 3.85 3.55 3.38 3.26 3.11 3.02 2.96 2.90
92 4.85 4.01 3.70 3.52 3.39 3.24 3.15 3.08 3.02
94 4.95 4.17 3.85 3.66 3.53 3.37 3.27 3.21 3.14
96 5.06 4.34 4.00 3.80 3.67 3.50 3.40 3.34 3.27
98 5.17 4.51 4.16 3.95 3.81 3.64 3.54 3.47 3.40
100 5.27 4.68 4.32 4.10 3.96 3.78 3.67 3.60 3.53
102 5.38 4.85 4.48 4.25 4.11 3.92 3.81 3.73 3.66
104 5.48 5.03 4.64 4.41 4.26 4.06 3.95 3.87 3.79
106 5.59 5.21 4.81 4.57 4.41 4.21 4.09 4.01 3.93
108 5.69 5.39 4.98 4.73 4.56 4.36 4.23 4.15 4.07
110 5.80 5.58 5.15 4.89 4.72 4.51 4.38 4.29 4.21
112 5.90 5.77 5.32 5.06 4.88 4.66 4.53 4.44 4.35
Pressure Loss Per 100 Feet 31⁄2" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
114 6.01 5.96 5.50 5.23 5.04 4.81 4.68 4.58 4.49
116 6.11 6.15 5.68 5.40 5.21 4.97 4.83 4.73 4.64
118 6.22 6.35 5.86 5.57 5.38 5.13 4.98 4.89 4.79
120 6.32 6.55 6.05 5.75 5.55 5.29 5.14 5.04 4.94
122 6.43 6.76 6.24 5.93 5.72 5.46 5.30 5.20 5.09
124 6.54 6.96 6.43 6.11 5.89 5.62 5.46 5.36 5.25
126 6.64 7.17 6.62 6.29 6.07 5.79 5.63 5.52 5.41
128 6.75 7.38 6.82 6.48 6.25 5.96 5.79 5.68 5.57
130 6.85 7.60 7.01 6.66 6.43 6.14 5.96 5.85 5.73
132 6.96 7.82 7.22 6.85 6.61 6.31 6.13 6.01 5.89
134 7.06 8.04 7.42 7.05 6.80 6.49 6.31 6.18 6.06
136 7.17 8.26 7.63 7.24 6.99 6.67 6.48 6.35 6.23
138 7.27 8.49 7.83 7.44 7.18 6.85 6.66 6.53 6.40
140 7.38 8.72 8.05 7.64 7.37 7.04 6.84 6.70 6.57
142 7.48 8.95 8.26 7.85 7.57 7.23 7.02 6.88 6.75
144 7.59 9.18 8.48 8.05 7.77 7.42 7.20 7.06 6.92
146 7.69 9.42 8.69 8.26 7.97 7.61 7.39 7.25 7.10
148 7.80 9.66 8.92 8.47 8.17 7.80 7.58 7.43 7.28
150 7.91 9.90 9.14 8.68 8.38 8.00 7.77 7.62 7.46
155 8.17 10.52 9.71 9.23 8.90 8.50 8.26 8.09 7.93
160 8.43 11.16 10.30 9.78 9.44 9.01 8.75 8.58 8.41
165 8.70 11.81 10.90 10.36 9.99 9.54 9.27 9.09 8.90
170 8.96 12.48 11.52 10.95 10.56 10.08 9.79 9.60 9.41
175 9.22 13.17 12.16 11.55 11.14 10.64 10.33 10.13 9.93
180 9.49 13.87 12.81 12.17 11.74 11.21 10.89 10.67 10.46
185 9.75 14.60 13.47 12.80 12.35 11.79 11.45 11.23 11.00
190 10.01 15.33 14.15 13.45 12.98 12.39 12.03 11.80 11.56
27
Pressure Loss Tables
Pressure Loss Per 100 Feet 31⁄2" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
30 1.58 0.54 0.50 0.47 0.46 0.44 0.42 0.42 0.41
31 1.63 0.57 0.53 0.50 0.49 0.46 0.45 0.44 0.43
32 1.69 0.61 0.56 0.53 0.52 0.49 0.48 0.47 0.46
33 1.74 0.65 0.60 0.57 0.55 0.52 0.51 0.50 0.49
34 1.79 0.68 0.63 0.60 0.58 0.55 0.53 0.52 0.51
35 1.84 0.72 0.66 0.63 0.61 0.58 0.56 0.55 0.54
36 1.90 0.76 0.70 0.66 0.64 0.61 0.59 0.58 0.57
37 1.95 0.80 0.74 0.70 0.67 0.64 0.63 0.61 0.60
38 2.00 0.84 0.77 0.73 0.71 0.68 0.66 0.64 0.63
39 2.06 0.88 0.81 0.77 0.74 0.71 0.69 0.68 0.66
40 2.11 0.92 0.85 0.81 0.78 0.74 0.72 0.71 0.69
41 2.16 0.96 0.89 0.85 0.82 0.78 0.76 0.74 0.73
42 2.21 1.01 0.93 0.88 0.85 0.81 0.79 0.78 0.76
43 2.27 1.05 0.97 0.92 0.89 0.85 0.83 0.81 0.79
44 2.32 1.10 1.01 0.96 0.93 0.89 0.86 0.84 0.83
45 2.37 1.15 1.06 1.00 0.97 0.92 0.90 0.88 0.86
46 2.42 1.19 1.10 1.05 1.01 0.96 0.94 0.92 0.90
47 2.48 1.24 1.15 1.09 1.05 1.00 0.97 0.95 0.94
48 2.53 1.29 1.19 1.13 1.09 1.04 1.01 0.99 0.97
49 2.58 1.34 1.24 1.18 1.13 1.08 1.05 1.03 1.01
50 2.64 1.39 1.28 1.22 1.18 1.12 1.09 1.07 1.05
52 2.74 1.50 1.38 1.31 1.27 1.21 1.17 1.15 1.13
54 2.85 1.60 1.48 1.41 1.36 1.30 1.26 1.23 1.21
56 2.95 1.72 1.58 1.50 1.45 1.39 1.35 1.32 1.29
58 3.06 1.83 1.69 1.61 1.55 1.48 1.44 1.41 1.38
60 3.16 1.95 1.80 1.71 1.65 1.57 1.53 1.50 1.47
62 3.27 2.07 1.91 1.82 1.75 1.67 1.63 1.59 1.56
64 3.37 2.20 2.03 1.93 1.86 1.77 1.72 1.69 1.66
66 3.48 2.33 2.15 2.04 1.97 1.88 1.82 1.79 1.75
68 3.58 2.46 2.27 2.16 2.08 1.99 1.93 1.89 1.85
70 3.69 2.59 2.39 2.27 2.19 2.09 2.03 1.99 1.95
72 3.79 2.73 2.52 2.40 2.31 2.21 2.14 2.10 2.06
74 3.90 2.87 2.65 2.52 2.43 2.32 2.25 2.21 2.17
76 4.01 3.02 2.79 2.65 2.55 2.44 2.37 2.32 2.28
78 4.11 3.17 2.92 2.78 2.68 2.56 2.49 2.44 2.39
80 4.22 3.32 3.06 2.91 2.81 2.68 2.60 2.55 2.50
82 4.32 3.47 3.21 3.05 2.94 2.81 2.73 2.67 2.62
84 4.43 3.63 3.35 3.19 3.07 2.93 2.85 2.79 2.74
86 4.53 3.80 3.50 3.33 3.21 3.07 2.98 2.92 2.86
88 4.64 3.96 3.66 3.47 3.35 3.20 3.11 3.05 2.99
90 4.74 4.13 3.81 3.62 3.49 3.33 3.24 3.18 3.11
92 4.85 4.30 3.97 3.77 3.64 3.47 3.37 3.31 3.24
94 4.95 4.47 4.13 3.92 3.79 3.61 3.51 3.44 3.37
96 5.06 4.65 4.29 4.08 3.94 3.76 3.65 3.58 3.51
98 5.17 4.83 4.46 4.24 4.09 3.90 3.79 3.72 3.64
100 5.27 5.02 4.63 4.40 4.24 4.05 3.94 3.86 3.78
102 5.38 5.20 4.80 4.56 4.40 4.20 4.08 4.00 3.92
104 5.48 5.39 4.98 4.73 4.56 4.36 4.23 4.15 4.07
106 5.59 5.59 5.16 4.90 4.73 4.51 4.38 4.30 4.21
108 5.69 5.78 5.34 5.07 4.89 4.67 4.54 4.45 4.36
110 5.80 5.98 5.52 5.25 5.06 4.83 4.69 4.60 4.51
112 5.90 6.19 5.71 5.43 5.23 5.00 4.85 4.76 4.66
Pressure Loss Per 100 Feet 31⁄2" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
114 6.01 6.39 5.90 5.61 5.41 5.16 5.02 4.92 4.82
116 6.11 6.60 6.09 5.79 5.59 5.33 5.18 5.08 4.98
118 6.22 6.81 6.29 5.98 5.77 5.50 5.35 5.24 5.14
120 6.32 7.03 6.49 6.16 5.95 5.68 5.51 5.41 5.30
122 6.43 7.25 6.69 6.36 6.13 5.85 5.69 5.57 5.46
124 6.54 7.47 6.89 6.55 6.32 6.03 5.86 5.74 5.63
126 6.64 7.69 7.10 6.75 6.51 6.21 6.04 5.92 5.80
128 6.75 7.92 7.31 6.95 6.70 6.40 6.21 6.09 5.97
130 6.85 8.15 7.52 7.15 6.90 6.58 6.40 6.27 6.14
132 6.96 8.38 7.74 7.35 7.09 6.77 6.58 6.45 6.32
134 7.06 8.62 7.96 7.56 7.29 6.96 6.76 6.63 6.50
136 7.17 8.86 8.18 7.77 7.50 7.16 6.95 6.82 6.68
138 7.27 9.10 8.40 7.98 7.70 7.35 7.14 7.00 6.86
140 7.38 9.35 8.63 8.20 7.91 7.55 7.33 7.19 7.05
142 7.48 9.60 8.86 8.42 8.12 7.75 7.53 7.38 7.23
144 7.59 9.85 9.09 8.64 8.33 7.95 7.73 7.58 7.42
146 7.69 10.10 9.33 8.86 8.55 8.16 7.93 7.77 7.62
148 7.80 10.36 9.56 9.09 8.77 8.37 8.13 7.97 7.81
150 7.91 10.62 9.80 9.31 8.99 8.58 8.33 8.17 8.01
155 8.17 11.29 10.42 9.90 9.55 9.12 8.85 8.68 8.51
160 8.43 11.97 11.05 10.50 10.13 9.67 9.39 9.21 9.02
165 8.70 12.67 11.69 11.11 10.72 10.23 9.94 9.75 9.55
170 8.96 13.39 12.36 11.74 11.33 10.81 10.50 10.30 10.09
175 9.22 14.13 13.04 12.39 11.95 11.41 11.08 10.87 10.65
180 9.49 14.88 13.74 13.05 12.59 12.02 11.68 11.45 11.22
185 9.75 15.66 14.45 13.73 13.25 12.64 12.28 12.04 11.80
190 10.01 16.45 15.18 14.42 13.92 13.28 12.90 12.65 12.40
28
Pressure Loss Tables
Pressure Loss Per 100 Feet 31⁄2" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
30 1.58 0.57 0.53 0.50 0.48 0.46 0.45 0.44 0.43
31 1.63 0.60 0.56 0.53 0.51 0.49 0.47 0.47 0.46
32 1.69 0.64 0.59 0.56 0.54 0.52 0.50 0.49 0.48
33 1.74 0.68 0.63 0.60 0.57 0.55 0.53 0.52 0.51
34 1.79 0.72 0.66 0.63 0.61 0.58 0.56 0.55 0.54
35 1.84 0.76 0.70 0.66 0.64 0.61 0.59 0.58 0.57
36 1.90 0.80 0.74 0.70 0.67 0.64 0.63 0.61 0.60
37 1.95 0.84 0.77 0.74 0.71 0.68 0.66 0.65 0.63
38 2.00 0.88 0.81 0.77 0.75 0.71 0.69 0.68 0.66
39 2.06 0.93 0.85 0.81 0.78 0.75 0.73 0.71 0.70
40 2.11 0.97 0.89 0.85 0.82 0.78 0.76 0.75 0.73
41 2.16 1.01 0.94 0.89 0.86 0.82 0.80 0.78 0.76
42 2.21 1.06 0.98 0.93 0.90 0.86 0.83 0.82 0.80
43 2.27 1.11 1.02 0.97 0.94 0.90 0.87 0.85 0.84
44 2.32 1.16 1.07 1.01 0.98 0.93 0.91 0.89 0.87
45 2.37 1.21 1.11 1.06 1.02 0.97 0.95 0.93 0.91
46 2.42 1.26 1.16 1.10 1.06 1.01 0.98 0.97 0.95
47 2.48 1.31 1.21 1.15 1.11 1.06 1.02 1.00 0.98
48 2.53 1.36 1.25 1.19 1.15 1.10 1.07 1.04 1.02
49 2.58 1.41 1.30 1.24 1.19 1.14 1.11 1.09 1.06
50 2.64 1.46 1.35 1.28 1.24 1.18 1.15 1.13 1.10
52 2.74 1.58 1.45 1.38 1.33 1.27 1.24 1.21 1.19
54 2.85 1.69 1.56 1.48 1.43 1.36 1.33 1.30 1.27
56 2.95 1.81 1.67 1.58 1.53 1.46 1.42 1.39 1.36
58 3.06 1.93 1.78 1.69 1.63 1.56 1.51 1.48 1.45
60 3.16 2.05 1.89 1.80 1.74 1.66 1.61 1.58 1.55
62 3.27 2.18 2.01 1.91 1.85 1.76 1.71 1.68 1.64
64 3.37 2.31 2.13 2.03 1.96 1.87 1.81 1.78 1.74
66 3.48 2.45 2.26 2.15 2.07 1.98 1.92 1.88 1.85
68 3.58 2.59 2.39 2.27 2.19 2.09 2.03 1.99 1.95
70 3.69 2.73 2.52 2.39 2.31 2.20 2.14 2.10 2.06
72 3.79 2.88 2.65 2.52 2.43 2.32 2.26 2.21 2.17
74 3.90 3.03 2.79 2.65 2.56 2.44 2.37 2.33 2.28
76 4.01 3.18 2.93 2.79 2.69 2.57 2.49 2.44 2.40
78 4.11 3.33 3.08 2.92 2.82 2.69 2.62 2.57 2.51
80 4.22 3.49 3.23 3.06 2.96 2.82 2.74 2.69 2.63
82 4.32 3.66 3.38 3.21 3.10 2.95 2.87 2.81 2.76
84 4.43 3.82 3.53 3.35 3.24 3.09 3.00 2.94 2.88
86 4.53 3.99 3.69 3.50 3.38 3.23 3.13 3.07 3.01
88 4.64 4.17 3.85 3.66 3.53 3.37 3.27 3.21 3.14
90 4.74 4.35 4.01 3.81 3.68 3.51 3.41 3.34 3.28
92 4.85 4.53 4.18 3.97 3.83 3.66 3.55 3.48 3.41
94 4.95 4.71 4.35 4.13 3.98 3.80 3.70 3.62 3.55
96 5.06 4.90 4.52 4.29 4.14 3.95 3.84 3.77 3.69
98 5.17 5.09 4.70 4.46 4.30 4.11 3.99 3.91 3.83
100 5.27 5.28 4.87 4.63 4.47 4.27 4.14 4.06 3.98
102 5.38 5.48 5.06 4.80 4.63 4.42 4.30 4.21 4.13
104 5.48 5.68 5.24 4.98 4.80 4.59 4.45 4.37 4.28
106 5.59 5.88 5.43 5.16 4.98 4.75 4.61 4.52 4.43
108 5.69 6.09 5.62 5.34 5.15 4.92 4.78 4.68 4.59
110 5.80 6.30 5.81 5.52 5.33 5.09 4.94 4.85 4.75
112 5.90 6.51 6.01 5.71 5.51 5.26 5.11 5.01 4.91
Pressure Loss Per 100 Feet 31⁄2" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
114 6.01 6.73 6.21 5.90 5.69 5.43 5.28 5.18 5.07
116 6.11 6.95 6.41 6.09 5.88 5.61 5.45 5.35 5.24
118 6.22 7.17 6.62 6.29 6.07 5.79 5.63 5.52 5.41
120 6.32 7.40 6.83 6.49 6.26 5.98 5.81 5.69 5.58
122 6.43 7.63 7.04 6.69 6.45 6.16 5.99 5.87 5.75
124 6.54 7.86 7.26 6.89 6.65 6.35 6.17 6.05 5.93
126 6.64 8.10 7.47 7.10 6.85 6.54 6.35 6.23 6.10
128 6.75 8.34 7.70 7.31 7.05 6.73 6.54 6.41 6.28
130 6.85 8.58 7.92 7.52 7.26 6.93 6.73 6.60 6.47
132 6.96 8.83 8.15 7.74 7.47 7.13 6.92 6.79 6.65
134 7.06 9.07 8.38 7.96 7.68 7.33 7.12 6.98 6.84
136 7.17 9.33 8.61 8.18 7.89 7.53 7.32 7.17 7.03
138 7.27 9.58 8.84 8.40 8.11 7.74 7.52 7.37 7.22
140 7.38 9.84 9.08 8.63 8.33 7.95 7.72 7.57 7.42
142 7.48 10.10 9.32 8.86 8.55 8.16 7.93 7.77 7.62
144 7.59 10.37 9.57 9.09 8.77 8.37 8.13 7.97 7.81
146 7.69 10.63 9.82 9.33 9.00 8.59 8.34 8.18 8.02
148 7.80 10.91 10.07 9.56 9.23 8.81 8.56 8.39 8.22
150 7.91 11.18 10.32 9.80 9.46 9.03 8.77 8.60 8.43
155 8.17 11.88 10.97 10.42 10.05 9.59 9.32 9.14 8.96
160 8.43 12.60 11.63 11.05 10.66 10.18 9.88 9.69 9.50
165 8.70 13.34 12.31 11.69 11.28 10.77 10.46 10.26 10.05
170 8.96 14.09 13.01 12.36 11.92 11.38 11.06 10.84 10.62
175 9.22 14.87 13.73 13.04 12.58 12.01 11.67 11.44 11.21
180 9.49 15.66 14.46 13.74 13.25 12.65 12.29 12.05 11.81
185 9.75 16.48 15.21 14.45 13.94 13.31 12.93 12.68 12.42
190 10.01 17.31 15.98 15.18 14.65 13.98 13.58 13.32 13.05
29
Pressure Loss Tables
Pressure Loss Per 100 Feet 4" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
37 1.51 0.32 0.29 0.28 0.27 0.26 0.25 0.25 0.24
38 1.55 0.34 0.31 0.29 0.28 0.27 0.26 0.26 0.25
39 1.59 0.35 0.32 0.31 0.30 0.28 0.28 0.27 0.27
40 1.63 0.37 0.34 0.32 0.31 0.30 0.29 0.28 0.28
41 1.67 0.39 0.36 0.34 0.33 0.31 0.30 0.30 0.29
42 1.71 0.40 0.37 0.35 0.34 0.33 0.32 0.31 0.30
43 1.75 0.42 0.39 0.37 0.36 0.34 0.33 0.32 0.32
44 1.79 0.44 0.41 0.39 0.37 0.36 0.35 0.34 0.33
45 1.83 0.46 0.42 0.40 0.39 0.37 0.36 0.35 0.35
46 1.87 0.48 0.44 0.42 0.40 0.39 0.37 0.37 0.36
47 1.91 0.50 0.46 0.44 0.42 0.40 0.39 0.38 0.37
48 1.95 0.52 0.48 0.45 0.44 0.42 0.41 0.40 0.39
49 1.99 0.54 0.50 0.47 0.45 0.43 0.42 0.41 0.40
50 2.03 0.56 0.51 0.49 0.47 0.45 0.44 0.43 0.42
52 2.12 0.60 0.55 0.53 0.51 0.48 0.47 0.46 0.45
54 2.20 0.64 0.59 0.56 0.54 0.52 0.50 0.49 0.48
56 2.28 0.69 0.63 0.60 0.58 0.55 0.54 0.53 0.52
58 2.36 0.73 0.68 0.64 0.62 0.59 0.58 0.56 0.55
60 2.44 0.78 0.72 0.68 0.66 0.63 0.61 0.60 0.59
62 2.52 0.83 0.77 0.73 0.70 0.67 0.65 0.64 0.63
64 2.60 0.88 0.81 0.77 0.74 0.71 0.69 0.68 0.66
66 2.68 0.93 0.86 0.82 0.79 0.75 0.73 0.72 0.70
68 2.77 0.98 0.91 0.86 0.83 0.79 0.77 0.76 0.74
70 2.85 1.04 0.96 0.91 0.88 0.84 0.81 0.80 0.78
72 2.93 1.09 1.01 0.96 0.93 0.88 0.86 0.84 0.82
74 3.01 1.15 1.06 1.01 0.97 0.93 0.90 0.89 0.87
76 3.09 1.21 1.12 1.06 1.02 0.98 0.95 0.93 0.91
78 3.17 1.27 1.17 1.11 1.07 1.02 1.00 0.98 0.96
80 3.25 1.33 1.23 1.17 1.12 1.07 1.04 1.02 1.00
82 3.34 1.39 1.28 1.22 1.18 1.12 1.09 1.07 1.05
84 3.42 1.45 1.34 1.28 1.23 1.17 1.14 1.12 1.10
86 3.50 1.52 1.40 1.33 1.29 1.23 1.19 1.17 1.15
88 3.58 1.59 1.46 1.39 1.34 1.28 1.24 1.22 1.20
90 3.66 1.65 1.53 1.45 1.40 1.33 1.30 1.27 1.25
92 3.74 1.72 1.59 1.51 1.46 1.39 1.35 1.32 1.30
94 3.82 1.79 1.65 1.57 1.52 1.45 1.41 1.38 1.35
96 3.90 1.86 1.72 1.63 1.58 1.50 1.46 1.43 1.40
98 3.99 1.93 1.79 1.70 1.64 1.56 1.52 1.49 1.46
100 4.07 2.01 1.85 1.76 1.70 1.62 1.58 1.54 1.51
102 4.15 2.08 1.92 1.83 1.76 1.68 1.63 1.60 1.57
104 4.23 2.16 1.99 1.89 1.83 1.74 1.69 1.66 1.63
106 4.31 2.24 2.06 1.96 1.89 1.81 1.76 1.72 1.69
108 4.39 2.32 2.14 2.03 1.96 1.87 1.82 1.78 1.75
110 4.47 2.40 2.21 2.10 2.03 1.93 1.88 1.84 1.81
112 4.56 2.48 2.29 2.17 2.10 2.00 1.94 1.91 1.87
114 4.64 2.56 2.36 2.24 2.17 2.07 2.01 1.97 1.93
116 4.72 2.64 2.44 2.32 2.24 2.13 2.07 2.03 1.99
118 4.80 2.73 2.52 2.39 2.31 2.20 2.14 2.10 2.06
120 4.88 2.81 2.60 2.47 2.38 2.27 2.21 2.16 2.12
122 4.96 2.90 2.68 2.54 2.46 2.34 2.28 2.23 2.19
124 5.04 2.99 2.76 2.62 2.53 2.42 2.35 2.30 2.25
126 5.13 3.08 2.84 2.70 2.61 2.49 2.42 2.37 2.32
Pressure Loss Per 100 Feet 4" Wirsbo hePEX and Uponor AquaPEX (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
128 5.21 3.17 2.93 2.78 2.68 2.56 2.49 2.44 2.39
130 5.29 3.26 3.01 2.86 2.76 2.64 2.56 2.51 2.46
132 5.37 3.36 3.10 2.94 2.84 2.71 2.63 2.58 2.53
134 5.45 3.45 3.19 3.03 2.92 2.79 2.71 2.65 2.60
136 5.53 3.55 3.27 3.11 3.00 2.87 2.78 2.73 2.67
138 5.61 3.64 3.36 3.20 3.08 2.94 2.86 2.80 2.75
140 5.69 3.74 3.45 3.28 3.17 3.02 2.94 2.88 2.82
142 5.78 3.84 3.55 3.37 3.25 3.10 3.01 2.96 2.90
144 5.86 3.94 3.64 3.46 3.34 3.18 3.09 3.03 2.97
146 5.94 4.04 3.73 3.55 3.42 3.27 3.17 3.11 3.05
148 6.02 4.15 3.83 3.64 3.51 3.35 3.25 3.19 3.13
150 6.10 4.25 3.93 3.73 3.60 3.43 3.34 3.27 3.21
155 6.30 4.52 4.17 3.96 3.82 3.65 3.55 3.48 3.41
160 6.51 4.79 4.42 4.20 4.05 3.87 3.76 3.69 3.61
165 6.71 5.07 4.68 4.45 4.29 4.10 3.98 3.90 3.82
170 6.92 5.36 4.95 4.70 4.54 4.33 4.21 4.12 4.04
175 7.12 5.66 5.22 4.96 4.79 4.57 4.44 4.35 4.26
180 7.32 5.96 5.50 5.22 5.04 4.81 4.67 4.58 4.49
185 7.53 6.27 5.79 5.50 5.30 5.06 4.92 4.82 4.72
190 7.73 6.58 6.08 5.77 5.57 5.32 5.17 5.07 4.96
195 7.93 6.91 6.38 6.06 5.85 5.58 5.42 5.31 5.21
200 8.14 7.24 6.68 6.35 6.13 5.85 5.68 5.57 5.46
205 8.34 7.58 7.00 6.65 6.41 6.12 5.95 5.83 5.71
210 8.54 7.92 7.31 6.95 6.71 6.40 6.22 6.10 5.97
215 8.75 8.28 7.64 7.26 7.00 6.69 6.49 6.37 6.24
220 8.95 8.64 7.97 7.57 7.31 6.98 6.78 6.64 6.51
225 9.15 9.00 8.31 7.89 7.62 7.27 7.06 6.93 6.79
230 9.36 9.38 8.66 8.22 7.93 7.57 7.36 7.21 7.07
235 9.56 9.76 9.01 8.56 8.26 7.88 7.66 7.51 7.36
240 9.76 10.14 9.36 8.90 8.58 8.19 7.96 7.80 7.65
245 9.97 10.54 9.73 9.24 8.92 8.51 8.27 8.11 7.94
250 10.17 10.94 10.10 9.59 9.26 8.84 8.58 8.42 8.25
260 10.58 11.76 10.86 10.32 9.95 9.50 9.23 9.05 8.87
270 10.98 12.61 11.64 11.06 10.67 10.19 9.90 9.70 9.51
280 11.39 13.49 12.45 11.83 11.42 10.90 10.59 10.38 10.17
290 11.80 14.40 13.29 12.63 12.18 11.63 11.30 11.07 10.85
300 12.20 15.33 14.15 13.44 12.97 12.38 12.03 11.79 11.56
310 12.61 16.29 15.04 14.28 13.78 13.16 12.78 12.53 12.28
320 13.02 17.27 15.94 15.15 14.62 13.95 13.55 13.29 13.02
330 13.42 18.29 16.88 16.03 15.47 14.77 14.35 14.07 13.78
340 13.83 19.32 17.84 16.95 16.35 15.61 15.16 14.86 14.57
350 14.24 20.39 18.82 17.88 17.25 16.47 16.00 15.68 15.37
360 14.64 21.48 19.83 18.84 18.17 17.35 16.85 16.52 16.19
370 15.05 22.60 20.86 19.81 19.12 18.25 17.73 17.38 17.03
380 15.46 23.74 21.91 20.82 20.09 19.17 18.63 18.26 17.89
390 15.86 24.91 22.99 21.84 21.07 20.12 19.54 19.16 18.78
400 16.27 26.10 24.09 22.89 22.09 21.08 20.48 20.08 19.68
30
Pressure Loss Tables
Pressure Loss Per 100 Feet 4" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
37 1.51 0.40 0.37 0.35 0.33 0.32 0.31 0.30 0.30
38 1.55 0.42 0.38 0.36 0.35 0.34 0.33 0.32 0.31
39 1.59 0.44 0.40 0.38 0.37 0.35 0.34 0.34 0.33
40 1.63 0.46 0.42 0.40 0.39 0.37 0.36 0.35 0.34
41 1.67 0.48 0.44 0.42 0.40 0.39 0.38 0.37 0.36
42 1.71 0.50 0.46 0.44 0.42 0.40 0.39 0.38 0.38
43 1.75 0.52 0.48 0.46 0.44 0.42 0.41 0.40 0.39
44 1.79 0.55 0.50 0.48 0.46 0.44 0.43 0.42 0.41
45 1.83 0.57 0.52 0.50 0.48 0.46 0.45 0.44 0.43
46 1.87 0.59 0.55 0.52 0.50 0.48 0.46 0.46 0.45
47 1.91 0.62 0.57 0.54 0.52 0.50 0.48 0.47 0.46
48 1.95 0.64 0.59 0.56 0.54 0.52 0.50 0.49 0.48
49 1.99 0.67 0.61 0.58 0.56 0.54 0.52 0.51 0.50
50 2.03 0.69 0.64 0.61 0.58 0.56 0.54 0.53 0.52
52 2.12 0.74 0.69 0.65 0.63 0.60 0.58 0.57 0.56
54 2.20 0.80 0.74 0.70 0.67 0.64 0.62 0.61 0.60
56 2.28 0.85 0.79 0.75 0.72 0.69 0.67 0.66 0.64
58 2.36 0.91 0.84 0.80 0.77 0.73 0.71 0.70 0.69
60 2.44 0.97 0.89 0.85 0.82 0.78 0.76 0.74 0.73
62 2.52 1.03 0.95 0.90 0.87 0.83 0.81 0.79 0.78
64 2.60 1.09 1.01 0.96 0.92 0.88 0.86 0.84 0.82
66 2.68 1.15 1.07 1.01 0.98 0.93 0.91 0.89 0.87
68 2.77 1.22 1.13 1.07 1.03 0.99 0.96 0.94 0.92
70 2.85 1.29 1.19 1.13 1.09 1.04 1.01 0.99 0.97
72 2.93 1.36 1.25 1.19 1.15 1.10 1.06 1.04 1.02
74 3.01 1.43 1.32 1.25 1.21 1.15 1.12 1.10 1.08
76 3.09 1.50 1.38 1.31 1.27 1.21 1.18 1.15 1.13
78 3.17 1.57 1.45 1.38 1.33 1.27 1.23 1.21 1.19
80 3.25 1.65 1.52 1.45 1.39 1.33 1.29 1.27 1.24
82 3.34 1.73 1.59 1.51 1.46 1.39 1.35 1.33 1.30
84 3.42 1.80 1.67 1.58 1.53 1.46 1.42 1.39 1.36
86 3.50 1.88 1.74 1.65 1.59 1.52 1.48 1.45 1.42
88 3.58 1.97 1.81 1.72 1.66 1.59 1.54 1.51 1.48
90 3.66 2.05 1.89 1.80 1.73 1.66 1.61 1.58 1.54
92 3.74 2.13 1.97 1.87 1.81 1.72 1.67 1.64 1.61
94 3.82 2.22 2.05 1.95 1.88 1.79 1.74 1.71 1.67
96 3.90 2.31 2.13 2.03 1.95 1.87 1.81 1.78 1.74
98 3.99 2.40 2.21 2.10 2.03 1.94 1.88 1.85 1.81
100 4.07 2.49 2.30 2.18 2.11 2.01 1.95 1.92 1.88
102 4.15 2.58 2.38 2.27 2.19 2.09 2.03 1.99 1.95
104 4.23 2.68 2.47 2.35 2.27 2.16 2.10 2.06 2.02
106 4.31 2.77 2.56 2.43 2.35 2.24 2.18 2.13 2.09
108 4.39 2.87 2.65 2.52 2.43 2.32 2.25 2.21 2.16
110 4.47 2.97 2.74 2.61 2.51 2.40 2.33 2.29 2.24
112 4.56 3.07 2.84 2.69 2.60 2.48 2.41 2.36 2.32
114 4.64 3.17 2.93 2.78 2.69 2.56 2.49 2.44 2.39
116 4.72 3.28 3.03 2.87 2.77 2.65 2.57 2.52 2.47
118 4.80 3.38 3.12 2.97 2.86 2.73 2.65 2.60 2.55
120 4.88 3.49 3.22 3.06 2.95 2.82 2.74 2.68 2.63
122 4.96 3.60 3.32 3.15 3.04 2.91 2.82 2.77 2.71
124 5.04 3.71 3.42 3.25 3.14 2.99 2.91 2.85 2.80
126 5.13 3.82 3.53 3.35 3.23 3.08 3.00 2.94 2.88
Pressure Loss Per 100 Feet 4" Wirsbo hePEX and Uponor AquaPEX (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
128 5.21 3.93 3.63 3.45 3.33 3.18 3.09 3.02 2.96
130 5.29 4.05 3.74 3.55 3.42 3.27 3.17 3.11 3.05
132 5.37 4.16 3.84 3.65 3.52 3.36 3.27 3.20 3.14
134 5.45 4.28 3.95 3.75 3.62 3.46 3.36 3.29 3.23
136 5.53 4.40 4.06 3.86 3.72 3.55 3.45 3.38 3.32
138 5.61 4.52 4.17 3.96 3.82 3.65 3.55 3.48 3.41
140 5.69 4.64 4.28 4.07 3.93 3.75 3.64 3.57 3.50
142 5.78 4.76 4.40 4.18 4.03 3.85 3.74 3.66 3.59
144 5.86 4.89 4.51 4.29 4.14 3.95 3.84 3.76 3.69
146 5.94 5.02 4.63 4.40 4.24 4.05 3.94 3.86 3.78
148 6.02 5.14 4.75 4.51 4.35 4.15 4.04 3.96 3.88
150 6.10 5.27 4.87 4.62 4.46 4.26 4.14 4.06 3.97
155 6.30 5.60 5.17 4.91 4.74 4.53 4.40 4.31 4.22
160 6.51 5.94 5.48 5.21 5.03 4.80 4.66 4.57 4.48
165 6.71 6.29 5.81 5.52 5.32 5.08 4.93 4.84 4.74
170 6.92 6.65 6.14 5.83 5.62 5.37 5.22 5.11 5.01
175 7.12 7.01 6.47 6.15 5.93 5.66 5.50 5.39 5.29
180 7.32 7.39 6.82 6.48 6.25 5.97 5.80 5.68 5.57
185 7.53 7.77 7.17 6.82 6.58 6.28 6.10 5.98 5.86
190 7.73 8.17 7.54 7.16 6.91 6.59 6.41 6.28 6.16
195 7.93 8.57 7.91 7.51 7.25 6.92 6.72 6.59 6.46
200 8.14 8.98 8.29 7.87 7.60 7.25 7.04 6.91 6.77
205 8.34 9.40 8.67 8.24 7.95 7.59 7.37 7.23 7.08
210 8.54 9.83 9.07 8.62 8.31 7.94 7.71 7.56 7.41
215 8.75 10.26 9.47 9.00 8.68 8.29 8.05 7.89 7.74
220 8.95 10.71 9.89 9.39 9.06 8.65 8.40 8.24 8.07
225 9.15 11.16 10.30 9.79 9.45 9.02 8.76 8.59 8.42
230 9.36 11.63 10.73 10.20 9.84 9.39 9.12 8.94 8.76
235 9.56 12.10 11.17 10.61 10.24 9.77 9.49 9.31 9.12
240 9.76 12.58 11.61 11.03 10.64 10.16 9.87 9.68 9.48
245 9.97 13.07 12.06 11.46 11.06 10.56 10.25 10.05 9.85
250 10.17 13.57 12.52 11.90 11.48 10.96 10.64 10.44 10.23
260 10.58 14.59 13.47 12.79 12.34 11.78 11.45 11.22 11.00
270 10.98 15.64 14.44 13.72 13.24 12.63 12.27 12.03 11.79
280 11.39 16.73 15.44 14.67 14.16 13.51 13.13 12.87 12.61
290 11.80 17.85 16.48 15.66 15.11 14.42 14.01 13.73 13.46
300 12.20 19.01 17.55 16.67 16.08 15.35 14.91 14.62 14.33
310 12.61 20.20 18.64 17.71 17.09 16.31 15.85 15.54 15.23
320 13.02 21.42 19.77 18.78 18.12 17.30 16.81 16.48 16.15
330 13.42 22.67 20.93 19.88 19.19 18.31 17.79 17.44 17.09
340 13.83 23.96 22.12 21.01 20.27 19.35 18.80 18.43 18.06
350 14.24 25.28 23.34 22.17 21.39 20.42 19.84 19.45 19.06
360 14.64 26.63 24.58 23.36 22.54 21.51 20.90 20.49 20.08
370 15.05 28.02 25.86 24.57 23.71 22.63 21.98 21.55 21.12
380 15.46 29.44 27.17 25.81 24.91 23.77 23.10 22.64 22.19
390 15.86 30.88 28.51 27.08 26.13 24.95 24.23 23.76 23.28
400 16.27 32.37 29.88 28.38 27.39 26.14 25.39 24.90 24.40
31
Pressure Loss Tables
Pressure Loss Per 100 Feet 4" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
37 1.51 0.42 0.39 0.37 0.36 0.34 0.33 0.33 0.32
38 1.55 0.45 0.41 0.39 0.38 0.36 0.35 0.34 0.34
39 1.59 0.47 0.43 0.41 0.40 0.38 0.37 0.36 0.35
40 1.63 0.49 0.45 0.43 0.41 0.40 0.38 0.38 0.37
41 1.67 0.51 0.47 0.45 0.43 0.41 0.40 0.39 0.39
42 1.71 0.54 0.50 0.47 0.45 0.43 0.42 0.41 0.40
43 1.75 0.56 0.52 0.49 0.47 0.45 0.44 0.43 0.42
44 1.79 0.58 0.54 0.51 0.49 0.47 0.46 0.45 0.44
45 1.83 0.61 0.56 0.53 0.52 0.49 0.48 0.47 0.46
46 1.87 0.64 0.59 0.56 0.54 0.51 0.50 0.49 0.48
47 1.91 0.66 0.61 0.58 0.56 0.53 0.52 0.51 0.50
48 1.95 0.69 0.63 0.60 0.58 0.55 0.54 0.53 0.52
49 1.99 0.71 0.66 0.63 0.60 0.58 0.56 0.55 0.54
50 2.03 0.74 0.68 0.65 0.63 0.60 0.58 0.57 0.56
52 2.12 0.80 0.74 0.70 0.67 0.64 0.63 0.61 0.60
54 2.20 0.85 0.79 0.75 0.72 0.69 0.67 0.66 0.64
56 2.28 0.91 0.84 0.80 0.77 0.74 0.72 0.70 0.69
58 2.36 0.98 0.90 0.86 0.83 0.79 0.77 0.75 0.74
60 2.44 1.04 0.96 0.91 0.88 0.84 0.81 0.80 0.78
62 2.52 1.10 1.02 0.97 0.93 0.89 0.87 0.85 0.83
64 2.60 1.17 1.08 1.03 0.99 0.94 0.92 0.90 0.88
66 2.68 1.24 1.14 1.09 1.05 1.00 0.97 0.95 0.93
68 2.77 1.31 1.21 1.15 1.11 1.06 1.03 1.01 0.99
70 2.85 1.38 1.27 1.21 1.17 1.12 1.08 1.06 1.04
72 2.93 1.45 1.34 1.28 1.23 1.17 1.14 1.12 1.10
74 3.01 1.53 1.41 1.34 1.29 1.24 1.20 1.18 1.15
76 3.09 1.61 1.48 1.41 1.36 1.30 1.26 1.24 1.21
78 3.17 1.69 1.56 1.48 1.43 1.36 1.32 1.30 1.27
80 3.25 1.77 1.63 1.55 1.50 1.43 1.39 1.36 1.33
82 3.34 1.85 1.71 1.62 1.57 1.49 1.45 1.42 1.39
84 3.42 1.93 1.79 1.70 1.64 1.56 1.52 1.49 1.46
86 3.50 2.02 1.87 1.77 1.71 1.63 1.59 1.55 1.52
88 3.58 2.11 1.95 1.85 1.78 1.70 1.65 1.62 1.59
90 3.66 2.20 2.03 1.93 1.86 1.78 1.72 1.69 1.66
92 3.74 2.29 2.11 2.01 1.94 1.85 1.80 1.76 1.73
94 3.82 2.38 2.20 2.09 2.02 1.92 1.87 1.83 1.80
96 3.90 2.48 2.29 2.17 2.10 2.00 1.94 1.91 1.87
98 3.99 2.57 2.38 2.26 2.18 2.08 2.02 1.98 1.94
100 4.07 2.67 2.47 2.34 2.26 2.16 2.10 2.05 2.01
102 4.15 2.77 2.56 2.43 2.34 2.24 2.17 2.13 2.09
104 4.23 2.87 2.65 2.52 2.43 2.32 2.25 2.21 2.17
106 4.31 2.98 2.75 2.61 2.52 2.40 2.33 2.29 2.24
108 4.39 3.08 2.84 2.70 2.61 2.49 2.42 2.37 2.32
110 4.47 3.19 2.94 2.79 2.70 2.57 2.50 2.45 2.40
112 4.56 3.29 3.04 2.89 2.79 2.66 2.58 2.53 2.48
114 4.64 3.40 3.14 2.98 2.88 2.75 2.67 2.62 2.57
116 4.72 3.52 3.24 3.08 2.97 2.84 2.76 2.70 2.65
118 4.80 3.63 3.35 3.18 3.07 2.93 2.85 2.79 2.74
120 4.88 3.74 3.45 3.28 3.17 3.02 2.94 2.88 2.82
122 4.96 3.86 3.56 3.38 3.27 3.12 3.03 2.97 2.91
124 5.04 3.98 3.67 3.49 3.36 3.21 3.12 3.06 3.00
126 5.13 4.10 3.78 3.59 3.47 3.31 3.21 3.15 3.09
Pressure Loss Per 100 Feet 4" Wirsbo hePEX and Uponor AquaPEX (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
128 5.21 4.22 3.89 3.70 3.57 3.41 3.31 3.24 3.18
130 5.29 4.34 4.01 3.81 3.67 3.51 3.41 3.34 3.27
132 5.37 4.46 4.12 3.91 3.78 3.61 3.50 3.43 3.37
134 5.45 4.59 4.24 4.03 3.88 3.71 3.60 3.53 3.46
136 5.53 4.72 4.35 4.14 3.99 3.81 3.70 3.63 3.56
138 5.61 4.85 4.47 4.25 4.10 3.91 3.80 3.73 3.65
140 5.69 4.98 4.59 4.37 4.21 4.02 3.91 3.83 3.75
142 5.78 5.11 4.72 4.48 4.32 4.13 4.01 3.93 3.85
144 5.86 5.24 4.84 4.60 4.44 4.24 4.11 4.03 3.95
146 5.94 5.38 4.97 4.72 4.55 4.35 4.22 4.14 4.06
148 6.02 5.52 5.09 4.84 4.67 4.46 4.33 4.24 4.16
150 6.10 5.66 5.22 4.96 4.79 4.57 4.44 4.35 4.26
155 6.30 6.01 5.55 5.27 5.08 4.85 4.71 4.62 4.53
160 6.51 6.37 5.88 5.59 5.39 5.15 5.00 4.90 4.80
165 6.71 6.75 6.23 5.92 5.71 5.45 5.29 5.19 5.09
170 6.92 7.13 6.58 6.25 6.03 5.76 5.59 5.48 5.37
175 7.12 7.52 6.94 6.60 6.36 6.08 5.90 5.79 5.67
180 7.32 7.92 7.31 6.95 6.71 6.40 6.22 6.10 5.97
185 7.53 8.34 7.69 7.31 7.05 6.73 6.54 6.41 6.28
190 7.73 8.76 8.08 7.68 7.41 7.07 6.87 6.74 6.60
195 7.93 9.19 8.48 8.06 7.78 7.42 7.21 7.07 6.93
200 8.14 9.63 8.89 8.44 8.15 7.78 7.56 7.41 7.26
205 8.34 10.08 9.30 8.84 8.53 8.14 7.91 7.75 7.60
210 8.54 10.54 9.73 9.24 8.92 8.51 8.27 8.11 7.94
215 8.75 11.01 10.16 9.65 9.31 8.89 8.64 8.47 8.30
220 8.95 11.49 10.60 10.07 9.72 9.28 9.01 8.84 8.66
225 9.15 11.97 11.05 10.50 10.13 9.67 9.39 9.21 9.03
230 9.36 12.47 11.51 10.94 10.55 10.07 9.78 9.59 9.40
235 9.56 12.98 11.98 11.38 10.98 10.48 10.18 9.98 9.78
240 9.76 13.49 12.45 11.83 11.42 10.90 10.59 10.38 10.17
245 9.97 14.02 12.94 12.29 11.86 11.32 11.00 10.78 10.57
250 10.17 14.55 13.43 12.76 12.31 11.75 11.42 11.19 10.97
260 10.58 15.65 14.44 13.72 13.24 12.64 12.28 12.04 11.79
270 10.98 16.78 15.49 14.71 14.20 13.55 13.16 12.91 12.65
280 11.39 17.94 16.56 15.74 15.18 14.49 14.08 13.80 13.53
290 11.80 19.15 17.68 16.79 16.20 15.47 15.02 14.73 14.44
300 12.20 20.39 18.82 17.88 17.25 16.47 16.00 15.68 15.37
310 12.61 21.66 20.00 19.00 18.33 17.50 17.00 16.66 16.33
320 13.02 22.97 21.21 20.15 19.44 18.56 18.03 17.67 17.32
330 13.42 24.32 22.45 21.33 20.58 19.64 19.08 18.71 18.33
340 13.83 25.70 23.72 22.54 21.75 20.76 20.16 19.77 19.37
350 14.24 27.12 25.03 23.78 22.94 21.90 21.28 20.86 20.44
360 14.64 28.57 26.37 25.05 24.17 23.07 22.41 21.97 21.53
370 15.05 30.05 27.74 26.35 25.43 24.27 23.58 23.12 22.65
380 15.46 31.57 29.14 27.69 26.71 25.50 24.77 24.29 23.80
390 15.86 33.13 30.58 29.05 28.03 26.76 25.99 25.48 24.97
400 16.27 34.71 32.04 30.44 29.37 28.04 27.24 26.70 26.17
32
Pressure Loss Tables
Pressure Loss Per 100 Feet 4" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
37 1.51 0.45 0.41 0.39 0.38 0.36 0.35 0.34 0.34
38 1.55 0.47 0.43 0.41 0.40 0.38 0.37 0.36 0.35
39 1.59 0.49 0.45 0.43 0.42 0.40 0.39 0.38 0.37
40 1.63 0.52 0.48 0.45 0.44 0.42 0.40 0.40 0.39
41 1.67 0.54 0.50 0.47 0.46 0.44 0.42 0.42 0.41
42 1.71 0.56 0.52 0.50 0.48 0.46 0.44 0.43 0.43
43 1.75 0.59 0.54 0.52 0.50 0.48 0.46 0.45 0.44
44 1.79 0.62 0.57 0.54 0.52 0.50 0.48 0.47 0.46
45 1.83 0.64 0.59 0.56 0.54 0.52 0.50 0.49 0.48
46 1.87 0.67 0.62 0.59 0.57 0.54 0.52 0.51 0.50
47 1.91 0.70 0.64 0.61 0.59 0.56 0.55 0.54 0.52
48 1.95 0.72 0.67 0.63 0.61 0.58 0.57 0.56 0.55
49 1.99 0.75 0.69 0.66 0.64 0.61 0.59 0.58 0.57
50 2.03 0.78 0.72 0.68 0.66 0.63 0.61 0.60 0.59
52 2.12 0.84 0.77 0.74 0.71 0.68 0.66 0.65 0.63
54 2.20 0.90 0.83 0.79 0.76 0.73 0.71 0.69 0.68
56 2.28 0.96 0.89 0.84 0.81 0.78 0.75 0.74 0.73
58 2.36 1.03 0.95 0.90 0.87 0.83 0.81 0.79 0.77
60 2.44 1.09 1.01 0.96 0.92 0.88 0.86 0.84 0.82
62 2.52 1.16 1.07 1.02 0.98 0.94 0.91 0.89 0.88
64 2.60 1.23 1.14 1.08 1.04 0.99 0.97 0.95 0.93
66 2.68 1.30 1.20 1.14 1.10 1.05 1.02 1.00 0.98
68 2.77 1.38 1.27 1.21 1.17 1.11 1.08 1.06 1.04
70 2.85 1.45 1.34 1.27 1.23 1.17 1.14 1.12 1.10
72 2.93 1.53 1.41 1.34 1.30 1.24 1.20 1.18 1.15
74 3.01 1.61 1.49 1.41 1.36 1.30 1.26 1.24 1.21
76 3.09 1.69 1.56 1.48 1.43 1.37 1.33 1.30 1.28
78 3.17 1.78 1.64 1.56 1.50 1.43 1.39 1.37 1.34
80 3.25 1.86 1.72 1.63 1.57 1.50 1.46 1.43 1.40
82 3.34 1.95 1.80 1.71 1.65 1.57 1.53 1.50 1.47
84 3.42 2.04 1.88 1.79 1.72 1.64 1.60 1.57 1.54
86 3.50 2.13 1.96 1.87 1.80 1.72 1.67 1.64 1.60
88 3.58 2.22 2.05 1.95 1.88 1.79 1.74 1.71 1.67
90 3.66 2.31 2.14 2.03 1.96 1.87 1.82 1.78 1.74
92 3.74 2.41 2.22 2.11 2.04 1.95 1.89 1.85 1.82
94 3.82 2.51 2.31 2.20 2.12 2.03 1.97 1.93 1.89
96 3.90 2.61 2.41 2.29 2.21 2.11 2.05 2.01 1.97
98 3.99 2.71 2.50 2.38 2.29 2.19 2.13 2.08 2.04
100 4.07 2.81 2.60 2.47 2.38 2.27 2.21 2.16 2.12
102 4.15 2.92 2.69 2.56 2.47 2.36 2.29 2.24 2.20
104 4.23 3.02 2.79 2.65 2.56 2.44 2.37 2.33 2.28
106 4.31 3.13 2.89 2.75 2.65 2.53 2.46 2.41 2.36
108 4.39 3.24 2.99 2.84 2.74 2.62 2.54 2.49 2.44
110 4.47 3.35 3.10 2.94 2.84 2.71 2.63 2.58 2.53
112 4.56 3.47 3.20 3.04 2.93 2.80 2.72 2.67 2.61
114 4.64 3.58 3.31 3.14 3.03 2.89 2.81 2.76 2.70
116 4.72 3.70 3.42 3.24 3.13 2.99 2.90 2.85 2.79
118 4.80 3.82 3.53 3.35 3.23 3.08 3.00 2.94 2.88
120 4.88 3.94 3.64 3.45 3.33 3.18 3.09 3.03 2.97
122 4.96 4.06 3.75 3.56 3.44 3.28 3.19 3.12 3.06
124 5.04 4.19 3.86 3.67 3.54 3.38 3.28 3.22 3.16
126 5.13 4.31 3.98 3.78 3.65 3.48 3.38 3.32 3.25
Pressure Loss Per 100 Feet 4" Wirsbo hePEX and Uponor AquaPEX (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
128 5.21 4.44 4.10 3.89 3.76 3.59 3.48 3.41 3.35
130 5.29 4.57 4.22 4.01 3.87 3.69 3.58 3.51 3.44
132 5.37 4.70 4.34 4.12 3.98 3.80 3.69 3.61 3.54
134 5.45 4.83 4.46 4.24 4.09 3.90 3.79 3.72 3.64
136 5.53 4.97 4.58 4.35 4.20 4.01 3.90 3.82 3.74
138 5.61 5.10 4.71 4.47 4.32 4.12 4.00 3.92 3.85
140 5.69 5.24 4.84 4.59 4.43 4.23 4.11 4.03 3.95
142 5.78 5.38 4.97 4.72 4.55 4.34 4.22 4.14 4.06
144 5.86 5.52 5.10 4.84 4.67 4.46 4.33 4.25 4.16
146 5.94 5.66 5.23 4.97 4.79 4.57 4.44 4.36 4.27
148 6.02 5.81 5.36 5.09 4.91 4.69 4.56 4.47 4.38
150 6.10 5.95 5.50 5.22 5.04 4.81 4.67 4.58 4.49
155 6.30 6.33 5.84 5.55 5.35 5.11 4.96 4.87 4.77
160 6.51 6.71 6.19 5.88 5.68 5.42 5.26 5.16 5.06
165 6.71 7.10 6.55 6.23 6.01 5.74 5.57 5.46 5.35
170 6.92 7.50 6.93 6.58 6.35 6.06 5.89 5.77 5.66
175 7.12 7.92 7.31 6.94 6.70 6.40 6.21 6.09 5.97
180 7.32 8.34 7.70 7.31 7.06 6.74 6.54 6.42 6.29
185 7.53 8.77 8.10 7.69 7.42 7.09 6.88 6.75 6.61
190 7.73 9.22 8.51 8.08 7.80 7.45 7.23 7.09 6.95
195 7.93 9.67 8.93 8.48 8.18 7.81 7.59 7.44 7.29
200 8.14 10.14 9.36 8.89 8.58 8.19 7.95 7.80 7.64
205 8.34 10.61 9.79 9.30 8.98 8.57 8.32 8.16 8.00
210 8.54 11.09 10.24 9.73 9.39 8.96 8.70 8.53 8.36
215 8.75 11.59 10.70 10.16 9.80 9.36 9.09 8.91 8.74
220 8.95 12.09 11.16 10.60 10.23 9.77 9.49 9.30 9.11
225 9.15 12.60 11.63 11.05 10.67 10.18 9.89 9.70 9.50
230 9.36 13.13 12.12 11.51 11.11 10.60 10.30 10.10 9.90
235 9.56 13.66 12.61 11.98 11.56 11.03 10.72 10.51 10.30
240 9.76 14.20 13.11 12.45 12.02 11.47 11.14 10.93 10.71
245 9.97 14.75 13.62 12.94 12.48 11.92 11.58 11.35 11.12
250 10.17 15.32 14.14 13.43 12.96 12.37 12.02 11.78 11.55
260 10.58 16.47 15.20 14.44 13.94 13.30 12.92 12.67 12.42
270 10.98 17.66 16.30 15.49 14.94 14.26 13.86 13.58 13.31
280 11.39 18.89 17.44 16.56 15.98 15.26 14.82 14.53 14.24
290 11.80 20.16 18.61 17.68 17.06 16.28 15.82 15.50 15.19
300 12.20 21.46 19.81 18.82 18.16 17.33 16.84 16.51 16.18
310 12.61 22.80 21.05 20.00 19.30 18.42 17.89 17.54 17.19
320 13.02 24.18 22.32 21.21 20.46 19.53 18.97 18.60 18.23
330 13.42 25.60 23.63 22.45 21.66 20.68 20.09 19.69 19.30
340 13.83 27.05 24.97 23.72 22.89 21.85 21.23 20.81 20.39
350 14.24 28.54 26.35 25.03 24.15 23.05 22.40 21.96 21.52
360 14.64 30.07 27.76 26.37 25.44 24.29 23.59 23.13 22.67
370 15.05 31.63 29.20 27.74 26.77 25.55 24.82 24.33 23.85
380 15.46 33.23 30.68 29.14 28.12 26.84 26.08 25.56 25.05
390 15.86 34.87 32.19 30.58 29.50 28.16 27.36 26.82 26.29
400 16.27 36.54 33.73 32.04 30.92 29.51 28.67 28.11 27.55
33
Pressure Loss Per 100 Feet 3⁄4" HDPE - SDR11 (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.5 0.28 0.07 0.06 0.06 0.06 0.05 0.05 0.05 0.05
1.0 0.55 0.24 0.23 0.21 0.21 0.20 0.19 0.19 0.18
1.5 0.83 0.52 0.48 0.45 0.44 0.42 0.41 0.40 0.39
2.0 1.10 0.88 0.81 0.77 0.75 0.71 0.69 0.68 0.67
2.5 1.38 1.33 1.23 1.17 1.13 1.08 1.05 1.03 1.01
3.0 1.66 1.87 1.73 1.64 1.58 1.51 1.47 1.44 1.41
4.0 2.21 3.18 2.94 2.79 2.69 2.57 2.50 2.45 2.40
5.0 2.76 4.81 4.44 4.22 4.07 3.88 3.77 3.70 3.62
6.0 3.31 6.74 6.22 5.91 5.70 5.44 5.29 5.18 5.08
7.0 3.87 8.96 8.27 7.86 7.58 7.24 7.03 6.89 6.76
8.0 4.42 11.47 10.59 10.06 9.71 9.27 9.00 8.82 8.65
9.0 4.97 14.26 13.17 12.51 12.07 11.52 11.19 10.97 10.75
10.0 5.52 17.33 16.00 15.20 14.67 14.00 13.60 13.33 13.07
11.0 6.08 20.68 19.09 18.13 17.50 16.70 16.22 15.91 15.59
12.0 6.63 24.29 22.42 21.30 20.55 19.62 19.06 18.68 18.31
13.0 7.18 28.17 26.00 24.70 23.83 22.75 22.10 21.67 21.23
14.0 7.73 32.30 29.82 28.33 27.33 26.09 25.35 24.85 24.35
15.0 8.28 36.70 33.88 32.18 31.06 29.64 28.80 28.23 27.67
16.0 8.84 41.36 38.17 36.27 34.99 33.40 32.45 31.81 31.18
17.0 9.39 46.26 42.71 40.57 39.15 37.37 36.30 35.59 34.88
18.0 9.94 51.42 47.47 45.10 43.51 41.54 40.35 39.56 38.77
19.0 10.49 56.83 52.46 49.84 48.09 45.90 44.59 43.72 42.84
20.0 11.05 62.49 57.68 54.80 52.88 50.47 49.03 48.07 47.11
Pressure Loss Per 100 Feet 3⁄4" HDPE - SDR11 (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.5 0.28 0.09 0.08 0.08 0.08 0.07 0.07 0.07 0.07
1.0 0.55 0.33 0.30 0.29 0.28 0.26 0.26 0.25 0.25
1.5 0.83 0.69 0.64 0.60 0.58 0.56 0.54 0.53 0.52
2.0 1.10 1.17 1.08 1.03 0.99 0.95 0.92 0.90 0.89
2.5 1.38 1.77 1.64 1.56 1.50 1.43 1.39 1.36 1.34
3.0 1.66 2.49 2.29 2.18 2.10 2.01 1.95 1.91 1.87
4.0 2.21 4.23 3.91 3.71 3.58 3.42 3.32 3.26 3.19
5.0 2.76 6.40 5.90 5.61 5.41 5.17 5.02 4.92 4.82
6.0 3.31 8.96 8.27 7.86 7.58 7.24 7.03 6.89 6.76
7.0 3.87 11.92 11.00 10.45 10.08 9.63 9.35 9.17 8.98
8.0 4.42 15.26 14.08 13.38 12.91 12.32 11.97 11.74 11.50
9.0 4.97 18.97 17.51 16.64 16.05 15.32 14.89 14.59 14.30
10.0 5.52 23.06 21.28 20.22 19.51 18.62 18.09 17.73 17.38
11.0 6.08 27.50 25.39 24.12 23.27 22.21 21.58 21.15 20.73
12.0 6.63 32.30 29.82 28.33 27.33 26.09 25.35 24.85 24.35
13.0 7.18 37.46 34.58 32.85 31.70 30.26 29.39 28.82 28.24
14.0 7.73 42.96 39.66 37.68 36.35 34.70 33.71 33.05 32.39
15.0 8.28 48.81 45.06 42.81 41.30 39.43 38.30 37.55 36.80
16.0 8.84 55.00 50.77 48.23 46.54 44.43 43.16 42.31 41.46
17.0 9.39 61.53 56.80 53.96 52.07 49.70 48.28 47.33 46.39
18.0 9.94 68.39 63.13 59.98 57.87 55.24 53.66 52.61 51.56
19.0 10.49 75.59 69.77 66.29 63.96 61.05 59.31 58.15 56.98
20.0 11.05 83.11 76.72 72.88 70.33 67.13 65.21 63.93 62.66
Pressure Loss Per 100 Feet 3⁄4" HDPE - SDR11 (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.5 0.28 0.10 0.09 0.08 0.08 0.08 0.07 0.07 0.07
1.0 0.55 0.34 0.32 0.30 0.29 0.28 0.27 0.26 0.26
1.5 0.83 0.73 0.67 0.64 0.61 0.59 0.57 0.56 0.55
2.0 1.10 1.24 1.14 1.08 1.05 1.00 0.97 0.95 0.93
2.5 1.38 1.87 1.72 1.64 1.58 1.51 1.47 1.44 1.41
3.0 1.66 2.62 2.42 2.29 2.21 2.11 2.05 2.01 1.97
4.0 2.21 4.46 4.11 3.91 3.77 3.60 3.50 3.43 3.36
5.0 2.76 6.73 6.21 5.90 5.70 5.44 5.28 5.18 5.07
6.0 3.31 9.43 8.71 8.27 7.98 7.62 7.40 7.26 7.11
7.0 3.87 12.55 11.58 11.00 10.62 10.13 9.84 9.65 9.46
8.0 4.42 16.06 14.83 14.08 13.59 12.97 12.60 12.35 12.11
9.0 4.97 19.97 18.43 17.51 16.90 16.13 15.67 15.36 15.05
10.0 5.52 24.27 22.40 21.28 20.53 19.60 19.04 18.67 18.29
11.0 6.08 28.95 26.72 25.39 24.49 23.38 22.71 22.27 21.82
12.0 6.63 34.00 31.39 29.82 28.77 27.46 26.68 26.16 25.63
13.0 7.18 39.43 36.40 34.58 33.36 31.85 30.94 30.33 29.73
14.0 7.73 45.23 41.75 39.66 38.27 36.53 35.48 34.79 34.09
15.0 8.28 51.38 47.43 45.06 43.48 41.50 40.32 39.52 38.73
16.0 8.84 57.90 53.44 50.77 48.99 46.76 45.43 44.54 43.65
17.0 9.39 64.77 59.79 56.80 54.81 52.31 50.82 49.82 48.83
18.0 9.94 71.99 66.46 63.13 60.92 58.15 56.49 55.38 54.27
19.0 10.49 79.57 73.45 69.77 67.33 64.27 62.43 61.21 59.98
20.0 11.05 87.49 80.76 76.72 74.03 70.66 68.64 67.30 65.95
Pressure Loss Tables
Pressure Loss Per 100 Feet 3⁄4" HDPE - SDR11 (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
0.5 0.28 0.08 0.08 0.07 0.07 0.07 0.05 0.06 0.06
1.0 0.55 0.30 0.28 0.27 0.26 0.25 0.19 0.23 0.23
1.5 0.83 0.64 0.59 0.56 0.54 0.52 0.41 0.49 0.48
2.0 1.10 1.09 1.01 0.96 0.93 0.88 0.69 0.84 0.83
2.5 1.38 1.65 1.53 1.45 1.40 1.34 1.05 1.27 1.25
3.0 1.66 2.32 2.14 2.03 1.96 1.87 1.47 1.78 1.75
4.0 2.21 3.95 3.64 3.46 3.34 3.19 2.50 3.04 2.97
5.0 2.76 5.96 5.50 5.23 5.05 4.82 3.77 4.59 4.49
6.0 3.31 8.35 7.71 7.33 7.07 6.75 5.29 6.43 6.30
7.0 3.87 11.11 10.26 9.74 9.40 8.97 7.03 8.55 8.38
8.0 4.42 14.23 13.13 12.47 12.04 11.49 9.00 10.94 10.72
9.0 4.97 17.69 16.33 15.51 14.97 14.29 11.19 13.61 13.33
10.0 5.52 21.50 19.84 18.85 18.19 17.36 13.60 16.53 16.20
11.0 6.08 25.64 23.67 22.48 21.70 20.71 16.22 19.72 19.33
12.0 6.63 30.12 27.80 26.41 25.48 24.33 19.06 23.17 22.70
13.0 7.18 34.92 32.24 30.63 29.55 28.21 22.10 26.87 26.33
14.0 7.73 40.06 36.98 35.13 33.89 32.35 25.35 30.81 30.20
15.0 8.28 45.51 42.01 39.91 38.51 36.76 28.80 35.01 34.31
16.0 8.84 51.28 47.34 44.97 43.39 41.42 32.45 39.45 38.66
17.0 9.39 57.37 52.95 50.31 48.54 46.34 36.30 44.13 43.25
18.0 9.94 63.77 58.86 55.92 53.96 51.50 40.35 49.05 48.07
19.0 10.49 70.47 65.05 61.80 59.63 56.92 44.59 54.21 53.13
20.0 11.05 77.49 71.53 67.95 65.57 62.59 49.03 59.61 58.42
34
Pressure Loss Per 100 Feet 1" HDPE - SDR11 (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
1.0 0.35 0.08 0.08 0.07 0.07 0.07 0.06 0.06 0.06
1.5 0.53 0.18 0.16 0.15 0.15 0.14 0.14 0.13 0.13
2.0 0.71 0.30 0.28 0.26 0.25 0.24 0.23 0.23 0.22
2.5 0.88 0.45 0.42 0.39 0.38 0.36 0.35 0.35 0.34
3.0 1.06 0.63 0.58 0.55 0.53 0.51 0.50 0.49 0.48
4.0 1.41 1.07 0.99 0.94 0.91 0.87 0.84 0.83 0.81
5.0 1.77 1.62 1.50 1.42 1.37 1.31 1.27 1.25 1.22
6.0 2.12 2.27 2.10 1.99 1.92 1.84 1.78 1.75 1.71
7.0 2.47 3.03 2.79 2.65 2.56 2.44 2.37 2.33 2.28
8.0 2.83 3.87 3.58 3.40 3.28 3.13 3.04 2.98 2.92
9.0 3.18 4.82 4.45 4.22 4.08 3.89 3.78 3.71 3.63
10.0 3.53 5.85 5.40 5.13 4.95 4.73 4.59 4.50 4.41
11.0 3.89 6.98 6.44 6.12 5.91 5.64 5.48 5.37 5.26
12.0 4.24 8.20 7.57 7.19 6.94 6.62 6.43 6.31 6.18
13.0 4.60 9.51 8.78 8.34 8.05 7.68 7.46 7.32 7.17
14.0 4.95 10.91 10.07 9.57 9.23 8.81 8.56 8.39 8.22
15.0 5.30 12.39 11.44 10.87 10.49 10.01 9.72 9.53 9.34
16.0 5.66 13.96 12.89 12.25 11.82 11.28 10.96 10.74 10.53
17.0 6.01 15.62 14.42 13.70 13.22 12.62 12.26 12.02 11.78
18.0 6.36 17.36 16.03 15.23 14.69 14.02 13.62 13.36 13.09
19.0 6.72 19.19 17.71 16.83 16.24 15.50 15.06 14.76 14.47
20.0 7.07 21.10 19.48 18.50 17.85 17.04 16.56 16.23 15.91
21.0 7.42 23.09 21.32 20.25 19.54 18.65 18.12 17.76 17.41
22.0 7.78 25.17 23.23 22.07 21.30 20.33 19.75 19.36 18.97
23.0 8.13 27.33 25.23 23.96 23.12 22.07 21.44 21.02 20.60
24.0 8.48 29.57 27.29 25.93 25.02 23.88 23.20 22.74 22.29
25.0 8.84 31.89 29.43 27.96 26.98 25.75 25.02 24.53 24.04
26.0 9.19 34.28 31.65 30.07 29.01 27.69 26.90 26.37 25.85
27.0 9.54 36.76 33.94 32.24 31.11 29.69 28.85 28.28 27.71
28.0 9.90 39.32 36.30 34.48 33.27 31.76 30.85 30.25 29.64
29.0 10.25 41.96 38.73 36.80 35.50 33.89 32.92 32.28 31.63
30.0 10.60 44.68 41.24 39.18 37.80 36.08 35.05 34.37 33.68
Pressure Loss Per 100 Feet 1" HDPE - SDR11 (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
1.0 0.35 0.10 0.09 0.09 0.09 0.08 0.08 0.08 0.08
1.5 0.53 0.22 0.20 0.19 0.18 0.18 0.17 0.17 0.16
2.0 0.71 0.37 0.34 0.32 0.31 0.30 0.29 0.28 0.28
2.5 0.88 0.56 0.52 0.49 0.47 0.45 0.44 0.43 0.42
3.0 1.06 0.78 0.72 0.69 0.66 0.63 0.61 0.60 0.59
4.0 1.41 1.33 1.23 1.17 1.13 1.08 1.05 1.02 1.00
5.0 1.77 2.01 1.86 1.77 1.70 1.63 1.58 1.55 1.52
6.0 2.12 2.82 2.60 2.47 2.39 2.28 2.21 2.17 2.13
7.0 2.47 3.75 3.46 3.29 3.17 3.03 2.94 2.89 2.83
8.0 2.83 4.80 4.43 4.21 4.06 3.88 3.77 3.69 3.62
9.0 3.18 5.97 5.51 5.24 5.05 4.82 4.69 4.59 4.50
10.0 3.53 7.26 6.70 6.36 6.14 5.86 5.69 5.58 5.47
11.0 3.89 8.66 7.99 7.59 7.33 6.99 6.79 6.66 6.53
12.0 4.24 10.17 9.39 8.92 8.61 8.21 7.98 7.82 7.67
13.0 4.60 11.79 10.89 10.34 9.98 9.52 9.25 9.07 8.89
14.0 4.95 13.53 12.49 11.86 11.44 10.92 10.61 10.40 10.20
15.0 5.30 15.37 14.18 13.48 13.00 12.41 12.06 11.82 11.58
16.0 5.66 17.32 15.98 15.18 14.65 13.99 13.59 13.32 13.05
17.0 6.01 19.37 17.88 16.99 16.39 15.65 15.20 14.90 14.60
18.0 6.36 21.53 19.88 18.88 18.22 17.39 16.89 16.56 16.23
19.0 6.72 23.80 21.97 20.87 20.14 19.22 18.67 18.31 17.94
20.0 7.07 26.17 24.15 22.95 22.14 21.13 20.53 20.13 19.72
21.0 7.42 28.64 26.43 25.11 24.23 23.13 22.47 22.03 21.59
22.0 7.78 31.21 28.81 27.37 26.41 25.21 24.49 24.01 23.53
23.0 8.13 33.89 31.28 29.72 28.67 27.37 26.59 26.07 25.54
24.0 8.48 36.66 33.84 32.15 31.02 29.61 28.77 28.20 27.64
25.0 8.84 39.54 36.50 34.67 33.45 31.93 31.02 30.41 29.81
26.0 9.19 42.51 39.24 37.28 35.97 34.34 33.36 32.70 32.05
27.0 9.54 45.59 42.08 39.98 38.57 36.82 35.77 35.07 34.37
28.0 9.90 48.76 45.01 42.76 41.26 39.38 38.26 37.51 36.76
29.0 10.25 52.03 48.03 45.63 44.03 42.02 40.82 40.02 39.22
30.0 10.60 55.40 51.14 48.58 46.88 44.74 43.47 42.61 41.76
Pressure Loss Tables
35
Pressure Loss Per 100 Feet 1" HDPE - SDR11 (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
1.0 0.35 0.11 0.10 0.10 0.09 0.09 0.09 0.08 0.08
1.5 0.53 0.23 0.21 0.20 0.20 0.19 0.18 0.18 0.18
2.0 0.71 0.40 0.37 0.35 0.34 0.32 0.31 0.30 0.30
2.5 0.88 0.60 0.55 0.53 0.51 0.48 0.47 0.46 0.45
3.0 1.06 0.84 0.77 0.74 0.71 0.68 0.66 0.65 0.63
4.0 1.41 1.43 1.32 1.25 1.21 1.15 1.12 1.10 1.08
5.0 1.77 2.16 1.99 1.89 1.83 1.74 1.69 1.66 1.63
6.0 2.12 3.03 2.79 2.65 2.56 2.44 2.37 2.33 2.28
7.0 2.47 4.02 3.71 3.53 3.41 3.25 3.16 3.10 3.03
8.0 2.83 5.15 4.76 4.52 4.36 4.16 4.04 3.96 3.88
9.0 3.18 6.41 5.91 5.62 5.42 5.17 5.03 4.93 4.83
10.0 3.53 7.78 7.19 6.83 6.59 6.29 6.11 5.99 5.87
11.0 3.89 9.29 8.57 8.14 7.86 7.50 7.29 7.14 7.00
12.0 4.24 10.91 10.07 9.57 9.23 8.81 8.56 8.39 8.22
13.0 4.60 12.65 11.68 11.09 10.70 10.22 9.92 9.73 9.54
14.0 4.95 14.51 13.39 12.72 12.28 11.72 11.38 11.16 10.94
15.0 5.30 16.48 15.21 14.45 13.95 13.31 12.93 12.68 12.43
16.0 5.66 18.57 17.14 16.29 15.72 15.00 14.57 14.29 14.00
17.0 6.01 20.78 19.18 18.22 17.58 16.78 16.30 15.98 15.66
18.0 6.36 23.09 21.32 20.25 19.54 18.65 18.12 17.76 17.41
19.0 6.72 25.52 23.56 22.38 21.60 20.62 20.03 19.63 19.24
20.0 7.07 28.06 25.91 24.61 23.75 22.67 22.02 21.59 21.16
21.0 7.42 30.72 28.35 26.94 25.99 24.81 24.10 23.63 23.15
22.0 7.78 33.48 30.90 29.36 28.33 27.04 26.27 25.75 25.24
23.0 8.13 36.35 33.55 31.87 30.75 29.36 28.52 27.96 27.40
24.0 8.48 39.32 36.30 34.48 33.27 31.76 30.85 30.25 29.64
25.0 8.84 42.41 39.15 37.19 35.88 34.25 33.27 32.62 31.97
26.0 9.19 45.60 42.09 39.99 38.58 36.83 35.78 35.08 34.37
27.0 9.54 48.90 45.13 42.88 41.37 39.49 38.36 37.61 36.86
28.0 9.90 52.30 48.28 45.86 44.25 42.24 41.03 40.23 39.43
29.0 10.25 55.81 51.51 48.94 47.22 45.07 43.79 42.93 42.07
30.0 10.60 59.42 54.85 52.11 50.28 47.99 46.62 45.71 44.79
Pressure Loss Per 100 Feet 1" HDPE - SDR11 (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
1.0 0.35 0.12 0.11 0.10 0.10 0.09 0.09 0.09 0.09
1.5 0.53 0.25 0.23 0.21 0.21 0.20 0.19 0.19 0.18
2.0 0.71 0.42 0.39 0.37 0.35 0.34 0.33 0.32 0.31
2.5 0.88 0.63 0.58 0.55 0.53 0.51 0.49 0.49 0.48
3.0 1.06 0.88 0.82 0.77 0.75 0.71 0.69 0.68 0.67
4.0 1.41 1.50 1.39 1.32 1.27 1.22 1.18 1.16 1.13
5.0 1.77 2.27 2.10 1.99 1.92 1.84 1.78 1.75 1.71
6.0 2.12 3.18 2.94 2.79 2.69 2.57 2.50 2.45 2.40
7.0 2.47 4.24 3.91 3.71 3.58 3.42 3.32 3.26 3.19
8.0 2.83 5.42 5.01 4.76 4.59 4.38 4.26 4.17 4.09
9.0 3.18 6.74 6.22 5.91 5.71 5.45 5.29 5.19 5.08
10.0 3.53 8.19 7.56 7.19 6.93 6.62 6.43 6.30 6.18
11.0 3.89 9.77 9.02 8.57 8.27 7.89 7.67 7.52 7.37
12.0 4.24 11.48 10.60 10.07 9.72 9.27 9.01 8.83 8.66
13.0 4.60 13.31 12.29 11.68 11.27 10.75 10.45 10.24 10.04
14.0 4.95 15.27 14.10 13.39 12.92 12.33 11.98 11.75 11.51
15.0 5.30 17.35 16.02 15.21 14.68 14.01 13.61 13.35 13.08
16.0 5.66 19.55 18.05 17.14 16.54 15.79 15.34 15.04 14.74
17.0 6.01 21.87 20.19 19.18 18.51 17.66 17.16 16.82 16.49
18.0 6.36 24.31 22.44 21.32 20.57 19.63 19.07 18.70 18.33
19.0 6.72 26.87 24.80 23.56 22.73 21.70 21.08 20.67 20.25
20.0 7.07 29.54 27.27 25.91 25.00 23.86 23.18 22.72 22.27
21.0 7.42 32.33 29.85 28.35 27.36 26.11 25.37 24.87 24.37
22.0 7.78 35.24 32.53 30.90 29.82 28.46 27.65 27.11 26.56
23.0 8.13 38.26 35.32 33.55 32.37 30.90 30.02 29.43 28.84
24.0 8.48 41.39 38.21 36.30 35.02 33.43 32.48 31.84 31.20
25.0 8.84 44.64 41.21 39.15 37.77 36.05 35.02 34.34 33.65
26.0 9.19 48.00 44.31 42.09 40.61 38.77 37.66 36.92 36.18
27.0 9.54 51.47 47.51 45.13 43.55 41.57 40.38 39.59 38.80
28.0 9.90 55.05 50.82 48.28 46.58 44.46 43.19 42.35 41.50
29.0 10.25 58.74 54.23 51.51 49.71 47.45 46.09 45.19 44.28
30.0 10.60 62.55 57.74 54.85 52.92 50.52 49.07 48.11 47.15
Pressure Loss Tables
36
Pressure Loss Per 100 Feet 11⁄4" HDPE - SDR11 (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
2.0 0.44 0.10 0.09 0.08 0.08 0.08 0.08 0.07 0.07
2.5 0.55 0.14 0.13 0.13 0.12 0.12 0.11 0.11 0.11
3.0 0.66 0.20 0.19 0.18 0.17 0.16 0.16 0.16 0.15
4.0 0.89 0.34 0.32 0.30 0.29 0.28 0.27 0.27 0.26
5.0 1.11 0.52 0.48 0.46 0.44 0.42 0.41 0.40 0.39
6.0 1.33 0.73 0.67 0.64 0.62 0.59 0.57 0.56 0.55
7.0 1.55 0.97 0.90 0.85 0.82 0.78 0.76 0.75 0.73
8.0 1.77 1.24 1.15 1.09 1.05 1.00 0.97 0.96 0.94
9.0 1.99 1.55 1.43 1.35 1.31 1.25 1.21 1.19 1.16
10.0 2.22 1.88 1.73 1.65 1.59 1.52 1.47 1.44 1.42
11.0 2.44 2.24 2.07 1.96 1.90 1.81 1.76 1.72 1.69
12.0 2.66 2.63 2.43 2.31 2.23 2.12 2.06 2.02 1.98
13.0 2.88 3.05 2.82 2.68 2.58 2.46 2.39 2.35 2.30
14.0 3.10 3.50 3.23 3.07 2.96 2.83 2.75 2.69 2.64
15.0 3.32 3.98 3.67 3.49 3.36 3.21 3.12 3.06 3.00
16.0 3.54 4.48 4.13 3.93 3.79 3.62 3.51 3.45 3.38
17.0 3.77 5.01 4.63 4.39 4.24 4.05 3.93 3.85 3.78
18.0 3.99 5.57 5.14 4.88 4.71 4.50 4.37 4.28 4.20
19.0 4.21 6.16 5.68 5.40 5.21 4.97 4.83 4.74 4.64
20.0 4.43 6.77 6.25 5.94 5.73 5.47 5.31 5.21 5.10
21.0 4.65 7.41 6.84 6.50 6.27 5.98 5.81 5.70 5.58
22.0 4.87 8.07 7.45 7.08 6.83 6.52 6.33 6.21 6.09
23.0 5.09 8.77 8.09 7.69 7.42 7.08 6.88 6.74 6.61
24.0 5.32 9.48 8.75 8.32 8.02 7.66 7.44 7.30 7.15
25.0 5.54 10.23 9.44 8.97 8.65 8.26 8.02 7.87 7.71
26.0 5.76 11.00 10.15 9.64 9.31 8.88 8.63 8.46 8.29
27.0 5.98 11.79 10.89 10.34 9.98 9.52 9.25 9.07 8.89
28.0 6.20 12.61 11.64 11.06 10.67 10.19 9.90 9.70 9.51
29.0 6.42 13.46 12.42 11.80 11.39 10.87 10.56 10.35 10.15
30.0 6.65 14.33 13.23 12.57 12.13 11.57 11.24 11.02 10.80
31.0 6.87 15.23 14.06 13.35 12.88 12.30 11.95 11.71 11.48
32.0 7.09 16.15 14.91 14.16 13.66 13.04 12.67 12.42 12.17
33.0 7.31 17.09 15.78 14.99 14.46 13.81 13.41 13.15 12.89
34.0 7.53 18.06 16.68 15.84 15.29 14.59 14.17 13.90 13.62
35.0 7.75 19.06 17.59 16.71 16.13 15.39 14.95 14.66 14.37
36.0 7.97 20.08 18.53 17.61 16.99 16.22 15.75 15.45 15.14
37.0 8.20 21.12 19.50 18.52 17.87 17.06 16.57 16.25 15.92
38.0 8.42 22.19 20.48 19.46 18.78 17.92 17.41 17.07 16.73
39.0 8.64 23.28 21.49 20.42 19.70 18.81 18.27 17.91 17.55
40.0 8.86 24.40 22.52 21.40 20.65 19.71 19.15 18.77 18.39
41.0 9.08 25.54 23.58 22.40 21.61 20.63 20.04 19.65 19.25
42.0 9.30 26.71 24.65 23.42 22.60 21.57 20.95 20.54 20.13
43.0 9.52 27.89 25.75 24.46 23.60 22.53 21.89 21.46 21.03
44.0 9.75 29.11 26.87 25.52 24.63 23.51 22.84 22.39 21.94
45.0 9.97 30.34 28.01 26.61 25.67 24.51 23.81 23.34 22.87
46.0 10.19 31.60 29.17 27.71 26.74 25.52 24.79 24.31 23.82
47.0 10.41 32.88 30.35 28.84 27.82 26.56 25.80 25.29 24.79
48.0 10.63 34.19 31.56 29.98 28.93 27.61 26.83 26.30 25.77
Pressure Loss Per 100 Feet 11⁄4" HDPE - SDR11 (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
2.0 0.44 0.12 0.11 0.10 0.10 0.10 0.09 0.09 0.09
2.5 0.55 0.18 0.17 0.16 0.15 0.14 0.14 0.14 0.14
3.0 0.66 0.25 0.23 0.22 0.21 0.20 0.20 0.19 0.19
4.0 0.89 0.43 0.39 0.37 0.36 0.35 0.34 0.33 0.32
5.0 1.11 0.65 0.60 0.57 0.55 0.52 0.51 0.50 0.49
6.0 1.33 0.90 0.84 0.79 0.77 0.73 0.71 0.70 0.68
7.0 1.55 1.20 1.11 1.06 1.02 0.97 0.94 0.93 0.91
8.0 1.77 1.54 1.42 1.35 1.30 1.24 1.21 1.19 1.16
9.0 1.99 1.92 1.77 1.68 1.62 1.55 1.50 1.47 1.44
10.0 2.22 2.33 2.15 2.04 1.97 1.88 1.83 1.79 1.76
11.0 2.44 2.78 2.56 2.44 2.35 2.24 2.18 2.14 2.09
12.0 2.66 3.26 3.01 2.86 2.76 2.63 2.56 2.51 2.46
13.0 2.88 3.78 3.49 3.32 3.20 3.06 2.97 2.91 2.85
14.0 3.10 4.34 4.00 3.80 3.67 3.50 3.40 3.34 3.27
15.0 3.32 4.93 4.55 4.32 4.17 3.98 3.87 3.79 3.72
16.0 3.54 5.55 5.13 4.87 4.70 4.49 4.36 4.27 4.19
17.0 3.77 6.21 5.74 5.45 5.26 5.02 4.88 4.78 4.68
18.0 3.99 6.91 6.38 6.06 5.84 5.58 5.42 5.31 5.21
19.0 4.21 7.63 7.05 6.69 6.46 6.17 5.99 5.87 5.75
20.0 4.43 8.39 7.75 7.36 7.10 6.78 6.59 6.46 6.33
21.0 4.65 9.19 8.48 8.06 7.77 7.42 7.21 7.07 6.92
22.0 4.87 10.01 9.24 8.78 8.47 8.09 7.86 7.70 7.55
23.0 5.09 10.87 10.03 9.53 9.20 8.78 8.53 8.36 8.19
24.0 5.32 11.76 10.86 10.31 9.95 9.50 9.23 9.05 8.87
25.0 5.54 12.68 11.71 11.12 10.73 10.24 9.95 9.76 9.56
26.0 5.76 13.64 12.59 11.96 11.54 11.01 10.70 10.49 10.28
27.0 5.98 14.62 13.50 12.82 12.37 11.81 11.47 11.25 11.02
28.0 6.20 15.64 14.44 13.72 13.23 12.63 12.27 12.03 11.79
29.0 6.42 16.69 15.41 14.64 14.12 13.48 13.10 12.84 12.58
30.0 6.65 17.77 16.40 15.58 15.04 14.35 13.94 13.67 13.40
31.0 6.87 18.88 17.43 16.56 15.98 15.25 14.81 14.52 14.23
32.0 7.09 20.02 18.48 17.56 16.94 16.17 15.71 15.40 15.09
33.0 7.31 21.20 19.57 18.59 17.94 17.12 16.63 16.31 15.98
34.0 7.53 22.40 20.68 19.64 18.95 18.09 17.58 17.23 16.89
35.0 7.75 23.63 21.82 20.73 20.00 19.09 18.54 18.18 17.82
36.0 7.97 24.90 22.98 21.83 21.07 20.11 19.54 19.15 18.77
37.0 8.20 26.19 24.18 22.97 22.16 21.16 20.55 20.15 19.75
38.0 8.42 27.52 25.40 24.13 23.28 22.23 21.59 21.17 20.74
39.0 8.64 28.87 26.65 25.32 24.43 23.32 22.65 22.21 21.77
40.0 8.86 30.26 27.93 26.53 25.60 24.44 23.74 23.27 22.81
41.0 9.08 31.67 29.24 27.77 26.80 25.58 24.85 24.36 23.88
42.0 9.30 33.12 30.57 29.04 28.02 26.75 25.98 25.47 24.96
43.0 9.52 34.59 31.93 30.33 29.27 27.94 27.14 26.61 26.07
44.0 9.75 36.09 33.32 31.65 30.54 29.15 28.32 27.76 27.21
45.0 9.97 37.62 34.73 32.99 31.84 30.39 29.52 28.94 28.36
46.0 10.19 39.18 36.17 34.36 33.16 31.65 30.75 30.14 29.54
47.0 10.41 40.78 37.64 35.76 34.50 32.93 31.99 31.37 30.74
48.0 10.63 42.39 39.13 37.18 35.87 34.24 33.26 32.61 31.96
Pressure Loss Tables
37
Pressure Loss Per 100 Feet 11⁄4" HDPE - SDR11 (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
2.0 0.44 0.13 0.12 0.11 0.11 0.10 0.10 0.10 0.10
2.5 0.55 0.19 0.18 0.17 0.16 0.16 0.15 0.15 0.14
3.0 0.66 0.27 0.25 0.24 0.23 0.22 0.21 0.21 0.20
4.0 0.89 0.46 0.42 0.40 0.39 0.37 0.36 0.35 0.35
5.0 1.11 0.69 0.64 0.61 0.59 0.56 0.54 0.53 0.52
6.0 1.33 0.97 0.90 0.85 0.82 0.78 0.76 0.75 0.73
7.0 1.55 1.29 1.19 1.13 1.09 1.04 1.01 0.99 0.97
8.0 1.77 1.65 1.53 1.45 1.40 1.33 1.30 1.27 1.25
9.0 1.99 2.05 1.90 1.80 1.74 1.66 1.61 1.58 1.55
10.0 2.22 2.50 2.31 2.19 2.11 2.02 1.96 1.92 1.88
11.0 2.44 2.98 2.75 2.61 2.52 2.41 2.34 2.29 2.25
12.0 2.66 3.50 3.23 3.07 2.96 2.83 2.75 2.69 2.64
13.0 2.88 4.06 3.75 3.56 3.43 3.28 3.18 3.12 3.06
14.0 3.10 4.65 4.30 4.08 3.94 3.76 3.65 3.58 3.51
15.0 3.32 5.29 4.88 4.64 4.47 4.27 4.15 4.07 3.99
16.0 3.54 5.96 5.50 5.22 5.04 4.81 4.67 4.58 4.49
17.0 3.77 6.66 6.15 5.84 5.64 5.38 5.23 5.13 5.02
18.0 3.99 7.41 6.84 6.50 6.27 5.98 5.81 5.70 5.58
19.0 4.21 8.19 7.56 7.18 6.93 6.61 6.42 6.30 6.17
20.0 4.43 9.00 8.31 7.89 7.62 7.27 7.06 6.92 6.79
21.0 4.65 9.85 9.09 8.64 8.34 7.96 7.73 7.58 7.43
22.0 4.87 10.74 9.91 9.42 9.09 8.67 8.43 8.26 8.09
23.0 5.09 11.66 10.76 10.22 9.86 9.42 9.15 8.97 8.79
24.0 5.32 12.61 11.64 11.06 10.67 10.19 9.90 9.70 9.51
25.0 5.54 13.60 12.56 11.93 11.51 10.99 10.67 10.46 10.25
26.0 5.76 14.63 13.50 12.83 12.38 11.81 11.48 11.25 11.03
27.0 5.98 15.68 14.48 13.75 13.27 12.67 12.31 12.06 11.82
28.0 6.20 16.78 15.49 14.71 14.20 13.55 13.16 12.90 12.65
29.0 6.42 17.90 16.52 15.70 15.15 14.46 14.05 13.77 13.49
30.0 6.65 19.06 17.59 16.71 16.13 15.39 14.95 14.66 14.37
31.0 6.87 20.25 18.69 17.76 17.14 16.36 15.89 15.58 15.27
32.0 7.09 21.48 19.82 18.83 18.17 17.35 16.85 16.52 16.19
33.0 7.31 22.74 20.99 19.94 19.24 18.36 17.84 17.49 17.14
34.0 7.53 24.03 22.18 21.07 20.33 19.41 18.85 18.48 18.11
35.0 7.75 25.35 23.40 22.23 21.45 20.47 19.89 19.50 19.11
36.0 7.97 26.71 24.65 23.42 22.60 21.57 20.95 20.54 20.13
37.0 8.20 28.09 25.93 24.64 23.77 22.69 22.04 21.61 21.18
38.0 8.42 29.52 27.24 25.88 24.97 23.84 23.16 22.70 22.25
39.0 8.64 30.97 28.59 27.16 26.20 25.01 24.30 23.82 23.35
40.0 8.86 32.45 29.96 28.46 27.46 26.21 25.46 24.96 24.46
41.0 9.08 33.97 31.36 29.79 28.74 27.44 26.65 26.13 25.61
42.0 9.30 35.52 32.79 31.15 30.05 28.69 27.87 27.32 26.78
43.0 9.52 37.10 34.25 32.53 31.39 29.96 29.11 28.54 27.97
44.0 9.75 38.71 35.73 33.95 32.76 31.27 30.37 29.78 29.18
45.0 9.97 40.35 37.25 35.39 34.15 32.59 31.66 31.04 30.42
46.0 10.19 42.03 38.80 36.86 35.56 33.95 32.98 32.33 31.68
47.0 10.41 43.73 40.37 38.35 37.01 35.32 34.31 33.64 32.97
48.0 10.63 45.47 41.97 39.88 38.48 36.73 35.68 34.98 34.28
Pressure Loss Per 100 Feet 11⁄4" HDPE - SDR11 (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
2.0 0.44 0.13 0.12 0.12 0.11 0.11 0.11 0.10 0.10
2.5 0.55 0.20 0.19 0.18 0.17 0.16 0.16 0.16 0.15
3.0 0.66 0.28 0.26 0.25 0.24 0.23 0.22 0.22 0.21
4.0 0.89 0.48 0.45 0.42 0.41 0.39 0.38 0.37 0.36
5.0 1.11 0.73 0.67 0.64 0.62 0.59 0.57 0.56 0.55
6.0 1.33 1.02 0.94 0.90 0.86 0.83 0.80 0.79 0.77
7.0 1.55 1.36 1.25 1.19 1.15 1.10 1.07 1.05 1.02
8.0 1.77 1.74 1.61 1.53 1.47 1.41 1.36 1.34 1.31
9.0 1.99 2.16 2.00 1.90 1.83 1.75 1.70 1.66 1.63
10.0 2.22 2.63 2.43 2.31 2.22 2.12 2.06 2.02 1.98
11.0 2.44 3.14 2.89 2.75 2.65 2.53 2.46 2.41 2.36
12.0 2.66 3.68 3.40 3.23 3.12 2.97 2.89 2.83 2.78
13.0 2.88 4.27 3.94 3.75 3.61 3.45 3.35 3.29 3.22
14.0 3.10 4.90 4.52 4.30 4.14 3.96 3.84 3.77 3.69
15.0 3.32 5.57 5.14 4.88 4.71 4.50 4.37 4.28 4.20
16.0 3.54 6.27 5.79 5.50 5.31 5.07 4.92 4.82 4.73
17.0 3.77 7.02 6.48 6.15 5.94 5.67 5.50 5.40 5.29
18.0 3.99 7.80 7.20 6.84 6.60 6.30 6.12 6.00 5.88
19.0 4.21 8.62 7.96 7.56 7.29 6.96 6.76 6.63 6.50
20.0 4.43 9.48 8.75 8.31 8.02 7.65 7.44 7.29 7.14
21.0 4.65 10.37 9.57 9.09 8.78 8.38 8.14 7.98 7.82
22.0 4.87 11.30 10.43 9.91 9.56 9.13 8.87 8.69 8.52
23.0 5.09 12.27 11.33 10.76 10.38 9.91 9.63 9.44 9.25
24.0 5.32 13.28 12.26 11.64 11.23 10.72 10.42 10.21 10.01
25.0 5.54 14.32 13.22 12.56 12.12 11.57 11.23 11.01 10.79
26.0 5.76 15.40 14.21 13.50 13.03 12.44 12.08 11.84 11.61
27.0 5.98 16.51 15.24 14.48 13.97 13.33 12.95 12.70 12.45
28.0 6.20 17.66 16.30 15.49 14.94 14.26 13.86 13.58 13.31
29.0 6.42 18.84 17.39 16.52 15.94 15.22 14.78 14.49 14.21
30.0 6.65 20.06 18.52 17.59 16.98 16.20 15.74 15.43 15.12
31.0 6.87 21.32 19.68 18.69 18.04 17.22 16.73 16.40 16.07
32.0 7.09 22.61 20.87 19.82 19.13 18.26 17.74 17.39 17.04
33.0 7.31 23.93 22.09 20.99 20.25 19.33 18.78 18.41 18.04
34.0 7.53 25.29 23.35 22.18 21.40 20.43 19.84 19.45 19.07
35.0 7.75 26.68 24.63 23.40 22.58 21.55 20.94 20.53 20.12
36.0 7.97 28.11 25.95 24.65 23.79 22.71 22.06 21.62 21.19
37.0 8.20 29.57 27.30 25.93 25.02 23.89 23.20 22.75 22.29
38.0 8.42 31.07 28.68 27.24 26.29 25.09 24.38 23.90 23.42
39.0 8.64 32.60 30.09 28.59 27.58 26.33 25.58 25.08 24.57
40.0 8.86 34.16 31.53 29.96 28.91 27.59 26.80 26.28 25.75
41.0 9.08 35.76 33.01 31.36 30.26 28.88 28.06 27.51 26.96
42.0 9.30 37.39 34.51 32.79 31.64 30.20 29.34 28.76 28.18
43.0 9.52 39.05 36.05 34.25 33.04 31.54 30.64 30.04 29.44
44.0 9.75 40.75 37.61 35.73 34.48 32.91 31.97 31.34 30.72
45.0 9.97 42.48 39.21 37.25 35.94 34.31 33.33 32.68 32.02
46.0 10.19 44.24 40.84 38.80 37.43 35.73 34.71 34.03 33.35
47.0 10.41 46.04 42.50 40.37 38.95 37.18 36.12 35.41 34.70
48.0 10.63 47.87 44.18 41.97 40.50 38.66 37.56 36.82 36.08
Pressure Loss Tables
38
Pressure Loss Per 100 Feet 11⁄2" HDPE - SDR11 (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
3.0 0.51 0.11 0.10 0.09 0.09 0.08 0.08 0.08 0.08
4.0 0.68 0.18 0.17 0.16 0.15 0.14 0.14 0.14 0.13
5.0 0.85 0.27 0.25 0.24 0.23 0.22 0.21 0.21 0.20
6.0 1.01 0.38 0.35 0.33 0.32 0.31 0.30 0.29 0.29
7.0 1.18 0.50 0.46 0.44 0.43 0.41 0.40 0.39 0.38
8.0 1.35 0.64 0.60 0.57 0.55 0.52 0.51 0.50 0.49
9.0 1.52 0.80 0.74 0.70 0.68 0.65 0.63 0.62 0.60
10.0 1.69 0.97 0.90 0.85 0.82 0.79 0.76 0.75 0.73
11.0 1.86 1.16 1.07 1.02 0.98 0.94 0.91 0.89 0.88
12.0 2.03 1.37 1.26 1.20 1.16 1.10 1.07 1.05 1.03
13.0 2.20 1.58 1.46 1.39 1.34 1.28 1.24 1.22 1.19
14.0 2.37 1.82 1.68 1.59 1.54 1.47 1.42 1.40 1.37
15.0 2.54 2.06 1.90 1.81 1.75 1.67 1.62 1.59 1.56
16.0 2.71 2.32 2.15 2.04 1.97 1.88 1.82 1.79 1.75
17.0 2.88 2.60 2.40 2.28 2.20 2.10 2.04 2.00 1.96
18.0 3.04 2.89 2.67 2.53 2.45 2.33 2.27 2.22 2.18
19.0 3.21 3.19 2.95 2.80 2.70 2.58 2.51 2.46 2.41
20.0 3.38 3.51 3.24 3.08 2.97 2.84 2.76 2.70 2.65
21.0 3.55 3.84 3.55 3.37 3.25 3.11 3.02 2.96 2.90
22.0 3.72 4.19 3.87 3.67 3.55 3.38 3.29 3.22 3.16
23.0 3.89 4.55 4.20 3.99 3.85 3.67 3.57 3.50 3.43
24.0 4.06 4.92 4.54 4.32 4.16 3.98 3.86 3.79 3.71
25.0 4.23 5.31 4.90 4.65 4.49 4.29 4.16 4.08 4.00
26.0 4.40 5.71 5.27 5.00 4.83 4.61 4.48 4.39 4.30
27.0 4.57 6.12 5.65 5.37 5.18 4.94 4.80 4.71 4.61
28.0 4.74 6.55 6.04 5.74 5.54 5.29 5.14 5.04 4.93
29.0 4.91 6.98 6.45 6.13 5.91 5.64 5.48 5.37 5.27
30.0 5.07 7.44 6.86 6.52 6.29 6.01 5.84 5.72 5.61
31.0 5.24 7.90 7.29 6.93 6.69 6.38 6.20 6.08 5.96
32.0 5.41 8.38 7.74 7.35 7.09 6.77 6.58 6.45 6.32
33.0 5.58 8.87 8.19 7.78 7.51 7.16 6.96 6.82 6.69
34.0 5.75 9.37 8.65 8.22 7.93 7.57 7.36 7.21 7.07
35.0 5.92 9.89 9.13 8.67 8.37 7.99 7.76 7.61 7.46
36.0 6.09 10.42 9.62 9.14 8.82 8.42 8.18 8.02 7.86
37.0 6.26 10.96 10.12 9.61 9.28 8.85 8.60 8.43 8.26
38.0 6.43 11.52 10.63 10.10 9.74 9.30 9.04 8.86 8.68
39.0 6.60 12.08 11.15 10.60 10.22 9.76 9.48 9.29 9.11
40.0 6.77 12.66 11.69 11.10 10.71 10.23 9.94 9.74 9.55
41.0 6.94 13.25 12.23 11.62 11.22 10.71 10.40 10.20 9.99
42.0 7.10 13.86 12.79 12.15 11.73 11.19 10.87 10.66 10.45
43.0 7.27 14.48 13.36 12.69 12.25 11.69 11.36 11.13 10.91
44.0 7.44 15.10 13.94 13.25 12.78 12.20 11.85 11.62 11.39
45.0 7.61 15.75 14.53 13.81 13.32 12.72 12.35 12.11 11.87
46.0 7.78 16.40 15.14 14.38 13.88 13.25 12.87 12.61 12.36
47.0 7.95 17.06 15.75 14.96 14.44 13.78 13.39 13.13 12.86
48.0 8.12 17.74 16.38 15.56 15.01 14.33 13.92 13.65 13.37
49.0 8.29 18.43 17.01 16.16 15.60 14.89 14.46 14.18 13.90
50.0 8.46 19.13 17.66 16.78 16.19 15.45 15.01 14.72 14.42
52.0 8.80 20.57 18.99 18.04 17.41 16.62 16.14 15.83 15.51
54.0 9.13 22.06 20.36 19.35 18.67 17.82 17.31 16.97 16.63
56.0 9.47 23.60 21.78 20.69 19.97 19.06 18.51 18.15 17.79
58.0 9.81 25.18 23.24 22.08 21.31 20.34 19.76 19.37 18.98
60.0 10.15 26.81 24.75 23.51 22.69 21.65 21.04 20.62 20.21
Pressure Loss Per 100 Feet 11⁄2" HDPE - SDR11 (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
3.0 0.51 0.13 0.12 0.11 0.11 0.11 0.10 0.10 0.10
4.0 0.68 0.22 0.20 0.19 0.19 0.18 0.17 0.17 0.17
5.0 0.85 0.34 0.31 0.29 0.28 0.27 0.26 0.26 0.25
6.0 1.01 0.47 0.43 0.41 0.40 0.38 0.37 0.36 0.35
7.0 1.18 0.62 0.58 0.55 0.53 0.50 0.49 0.48 0.47
8.0 1.35 0.80 0.74 0.70 0.68 0.65 0.63 0.62 0.60
9.0 1.52 0.99 0.92 0.87 0.84 0.80 0.78 0.76 0.75
10.0 1.69 1.21 1.12 1.06 1.02 0.98 0.95 0.93 0.91
11.0 1.86 1.44 1.33 1.26 1.22 1.16 1.13 1.11 1.09
12.0 2.03 1.69 1.56 1.48 1.43 1.37 1.33 1.30 1.28
13.0 2.20 1.96 1.81 1.72 1.66 1.59 1.54 1.51 1.48
14.0 2.37 2.25 2.08 1.97 1.91 1.82 1.77 1.73 1.70
15.0 2.54 2.56 2.36 2.24 2.16 2.07 2.01 1.97 1.93
16.0 2.71 2.88 2.66 2.53 2.44 2.33 2.26 2.22 2.17
17.0 2.88 3.22 2.98 2.83 2.73 2.60 2.53 2.48 2.43
18.0 3.04 3.58 3.31 3.14 3.03 2.89 2.81 2.76 2.70
19.0 3.21 3.96 3.66 3.47 3.35 3.20 3.11 3.05 2.99
20.0 3.38 4.36 4.02 3.82 3.69 3.52 3.42 3.35 3.28
21.0 3.55 4.77 4.40 4.18 4.03 3.85 3.74 3.67 3.59
22.0 3.72 5.20 4.80 4.56 4.40 4.20 4.08 4.00 3.92
23.0 3.89 5.64 5.21 4.95 4.77 4.56 4.43 4.34 4.25
24.0 4.06 6.10 5.63 5.35 5.16 4.93 4.79 4.69 4.60
25.0 4.23 6.58 6.08 5.77 5.57 5.32 5.16 5.06 4.96
26.0 4.40 7.08 6.53 6.21 5.99 5.72 5.55 5.44 5.33
27.0 4.57 7.59 7.00 6.65 6.42 6.13 5.95 5.84 5.72
28.0 4.74 8.12 7.49 7.12 6.87 6.56 6.37 6.24 6.12
29.0 4.91 8.66 7.99 7.60 7.33 7.00 6.80 6.66 6.53
30.0 5.07 9.22 8.51 8.09 7.80 7.45 7.24 7.09 6.95
31.0 5.24 9.80 9.04 8.59 8.29 7.91 7.69 7.54 7.39
32.0 5.41 10.39 9.59 9.11 8.79 8.39 8.15 7.99 7.83
33.0 5.58 11.00 10.15 9.65 9.31 8.88 8.63 8.46 8.29
34.0 5.75 11.62 10.73 10.19 9.84 9.39 9.12 8.94 8.76
35.0 5.92 12.26 11.32 10.76 10.38 9.91 9.62 9.43 9.25
36.0 6.09 12.92 11.93 11.33 10.93 10.44 10.14 9.94 9.74
37.0 6.26 13.59 12.55 11.92 11.50 10.98 10.67 10.46 10.25
38.0 6.43 14.28 13.18 12.52 12.08 11.53 11.20 10.98 10.77
39.0 6.60 14.98 13.83 13.14 12.68 12.10 11.76 11.53 11.30
40.0 6.77 15.70 14.49 13.77 13.29 12.68 12.32 12.08 11.84
41.0 6.94 16.44 15.17 14.41 13.91 13.27 12.90 12.64 12.39
42.0 7.10 17.18 15.86 15.07 14.54 13.88 13.48 13.22 12.95
43.0 7.27 17.95 16.57 15.74 15.19 14.50 14.08 13.81 13.53
44.0 7.44 18.73 17.29 16.42 15.85 15.13 14.70 14.41 14.12
45.0 7.61 19.52 18.02 17.12 16.52 15.77 15.32 15.02 14.72
46.0 7.78 20.33 18.77 17.83 17.21 16.42 15.95 15.64 15.33
47.0 7.95 21.16 19.53 18.56 17.90 17.09 16.60 16.28 15.95
48.0 8.12 22.00 20.31 19.29 18.62 17.77 17.26 16.92 16.58
49.0 8.29 22.86 21.10 20.04 19.34 18.46 17.93 17.58 17.23
50.0 8.46 23.73 21.90 20.81 20.08 19.16 18.62 18.25 17.89
52.0 8.80 25.51 23.55 22.37 21.59 20.61 20.02 19.62 19.23
54.0 9.13 27.36 25.25 23.99 23.15 22.10 21.46 21.04 20.62
56.0 9.47 29.26 27.01 25.66 24.76 23.63 22.96 22.51 22.06
58.0 9.81 31.22 28.82 27.38 26.42 25.22 24.50 24.02 23.54
60.0 10.15 33.24 30.69 29.15 28.13 26.85 26.08 25.57 25.06
Pressure Loss Tables
39
Pressure Loss Per 100 Feet 11⁄2" HDPE - SDR11 (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
3.0 0.51 0.14 0.13 0.12 0.12 0.11 0.11 0.11 0.11
4.0 0.68 0.24 0.22 0.21 0.20 0.19 0.19 0.18 0.18
5.0 0.85 0.36 0.33 0.32 0.30 0.29 0.28 0.28 0.27
6.0 1.01 0.50 0.46 0.44 0.43 0.41 0.40 0.39 0.38
7.0 1.18 0.67 0.62 0.59 0.57 0.54 0.53 0.52 0.50
8.0 1.35 0.86 0.79 0.75 0.73 0.69 0.67 0.66 0.65
9.0 1.52 1.07 0.98 0.94 0.90 0.86 0.84 0.82 0.80
10.0 1.69 1.30 1.20 1.14 1.10 1.05 1.02 1.00 0.98
11.0 1.86 1.55 1.43 1.36 1.31 1.25 1.21 1.19 1.17
12.0 2.03 1.82 1.68 1.59 1.54 1.47 1.42 1.40 1.37
13.0 2.20 2.11 1.94 1.85 1.78 1.70 1.65 1.62 1.59
14.0 2.37 2.41 2.23 2.12 2.04 1.95 1.89 1.86 1.82
15.0 2.54 2.74 2.53 2.41 2.32 2.22 2.15 2.11 2.07
16.0 2.71 3.09 2.85 2.71 2.62 2.50 2.43 2.38 2.33
17.0 2.88 3.46 3.19 3.03 2.93 2.79 2.71 2.66 2.61
18.0 3.04 3.84 3.55 3.37 3.25 3.11 3.02 2.96 2.90
19.0 3.21 4.25 3.92 3.73 3.60 3.43 3.33 3.27 3.20
20.0 3.38 4.67 4.31 4.10 3.95 3.77 3.67 3.59 3.52
21.0 3.55 5.11 4.72 4.48 4.33 4.13 4.01 3.93 3.85
22.0 3.72 5.57 5.14 4.89 4.72 4.50 4.37 4.29 4.20
23.0 3.89 6.05 5.58 5.31 5.12 4.89 4.75 4.65 4.56
24.0 4.06 6.55 6.04 5.74 5.54 5.29 5.14 5.04 4.93
25.0 4.23 7.06 6.52 6.19 5.97 5.70 5.54 5.43 5.32
26.0 4.40 7.59 7.01 6.66 6.42 6.13 5.96 5.84 5.72
27.0 4.57 8.14 7.51 7.14 6.89 6.57 6.39 6.26 6.14
28.0 4.74 8.71 8.04 7.63 7.37 7.03 6.83 6.70 6.56
29.0 4.91 9.29 8.58 8.15 7.86 7.50 7.29 7.15 7.00
30.0 5.07 9.89 9.13 8.67 8.37 7.99 7.76 7.61 7.46
31.0 5.24 10.51 9.70 9.22 8.89 8.49 8.25 8.08 7.92
32.0 5.41 11.15 10.29 9.77 9.43 9.00 8.74 8.57 8.40
33.0 5.58 11.80 10.89 10.35 9.98 9.53 9.26 9.08 8.89
34.0 5.75 12.47 11.51 10.93 10.55 10.07 9.78 9.59 9.40
35.0 5.92 13.16 12.14 11.54 11.13 10.63 10.32 10.12 9.92
36.0 6.09 13.86 12.79 12.15 11.73 11.19 10.87 10.66 10.45
37.0 6.26 14.58 13.46 12.78 12.34 11.78 11.44 11.21 10.99
38.0 6.43 15.32 14.14 13.43 12.96 12.37 12.02 11.78 11.55
39.0 6.60 16.07 14.83 14.09 13.60 12.98 12.61 12.36 12.11
40.0 6.77 16.84 15.55 14.77 14.25 13.60 13.21 12.95 12.70
41.0 6.94 17.63 16.27 15.46 14.92 14.24 13.83 13.56 13.29
42.0 7.10 18.43 17.01 16.16 15.60 14.89 14.46 14.18 13.90
43.0 7.27 19.25 17.77 16.88 16.29 15.55 15.11 14.81 14.51
44.0 7.44 20.09 18.54 17.62 17.00 16.23 15.76 15.45 15.14
45.0 7.61 20.94 19.33 18.36 17.72 16.91 16.43 16.11 15.79
46.0 7.78 21.81 20.13 19.13 18.46 17.62 17.11 16.78 16.44
47.0 7.95 22.70 20.95 19.90 19.20 18.33 17.81 17.46 17.11
48.0 8.12 23.60 21.78 20.69 19.97 19.06 18.51 18.15 17.79
49.0 8.29 24.51 22.63 21.50 20.74 19.80 19.23 18.86 18.48
50.0 8.46 25.45 23.49 22.32 21.53 20.55 19.97 19.58 19.18
52.0 8.80 27.36 25.26 24.00 23.15 22.10 21.47 21.05 20.63
54.0 9.13 29.34 27.09 25.73 24.83 23.70 23.02 22.57 22.12
56.0 9.47 31.38 28.97 27.52 26.56 25.35 24.62 24.14 23.66
58.0 9.81 33.49 30.91 29.37 28.34 27.05 26.28 25.76 25.25
60.0 10.15 35.66 32.91 31.27 30.17 28.80 27.98 27.43 26.88
Pressure Loss Per 100 Feet 11⁄2" HDPE - SDR11 (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
3.0 0.51 0.15 0.14 0.13 0.12 0.12 0.12 0.11 0.11
4.0 0.68 0.25 0.23 0.22 0.21 0.20 0.20 0.19 0.19
5.0 0.85 0.38 0.35 0.33 0.32 0.31 0.30 0.29 0.29
6.0 1.01 0.53 0.49 0.46 0.45 0.43 0.42 0.41 0.40
7.0 1.18 0.71 0.65 0.62 0.60 0.57 0.55 0.54 0.53
8.0 1.35 0.90 0.83 0.79 0.76 0.73 0.71 0.69 0.68
9.0 1.52 1.12 1.04 0.98 0.95 0.91 0.88 0.86 0.85
10.0 1.69 1.36 1.26 1.20 1.15 1.10 1.07 1.05 1.03
11.0 1.86 1.63 1.50 1.43 1.38 1.31 1.28 1.25 1.23
12.0 2.03 1.91 1.76 1.68 1.62 1.54 1.50 1.47 1.44
13.0 2.20 2.22 2.05 1.94 1.88 1.79 1.74 1.70 1.67
14.0 2.37 2.54 2.35 2.23 2.15 2.05 1.99 1.96 1.92
15.0 2.54 2.89 2.67 2.53 2.44 2.33 2.27 2.22 2.18
16.0 2.71 3.25 3.00 2.85 2.75 2.63 2.55 2.50 2.45
17.0 2.88 3.64 3.36 3.19 3.08 2.94 2.86 2.80 2.74
18.0 3.04 4.05 3.74 3.55 3.42 3.27 3.18 3.11 3.05
19.0 3.21 4.47 4.13 3.92 3.78 3.61 3.51 3.44 3.37
20.0 3.38 4.92 4.54 4.31 4.16 3.97 3.86 3.78 3.71
21.0 3.55 5.38 4.97 4.72 4.55 4.35 4.22 4.14 4.06
22.0 3.72 5.87 5.41 5.14 4.96 4.74 4.60 4.51 4.42
23.0 3.89 6.37 5.88 5.58 5.39 5.14 5.00 4.90 4.80
24.0 4.06 6.89 6.36 6.04 5.83 5.57 5.41 5.30 5.19
25.0 4.23 7.43 6.86 6.52 6.29 6.00 5.83 5.72 5.60
26.0 4.40 7.99 7.38 7.01 6.76 6.45 6.27 6.15 6.02
27.0 4.57 8.57 7.91 7.51 7.25 6.92 6.72 6.59 6.46
28.0 4.74 9.16 8.46 8.04 7.75 7.40 7.19 7.05 6.91
29.0 4.91 9.78 9.03 8.58 8.27 7.90 7.67 7.52 7.37
30.0 5.07 10.41 9.61 9.13 8.81 8.41 8.17 8.01 7.85
31.0 5.24 11.06 10.21 9.70 9.36 8.94 8.68 8.51 8.34
32.0 5.41 11.73 10.83 10.29 9.93 9.48 9.21 9.02 8.84
33.0 5.58 12.42 11.46 10.89 10.51 10.03 9.74 9.55 9.36
34.0 5.75 13.12 12.11 11.51 11.11 10.60 10.30 10.10 9.89
35.0 5.92 13.85 12.78 12.14 11.72 11.18 10.86 10.65 10.44
36.0 6.09 14.59 13.47 12.79 12.34 11.78 11.45 11.22 11.00
37.0 6.26 15.35 14.17 13.46 12.99 12.40 12.04 11.81 11.57
38.0 6.43 16.12 14.88 14.14 13.64 13.02 12.65 12.40 12.15
39.0 6.60 16.92 15.62 14.83 14.31 13.66 13.27 13.01 12.75
40.0 6.77 17.73 16.36 15.55 15.00 14.32 13.91 13.64 13.36
41.0 6.94 18.56 17.13 16.27 15.70 14.99 14.56 14.27 13.99
42.0 7.10 19.40 17.91 17.01 16.42 15.67 15.22 14.92 14.63
43.0 7.27 20.27 18.71 17.77 17.15 16.37 15.90 15.59 15.28
44.0 7.44 21.15 19.52 18.54 17.89 17.08 16.59 16.27 15.94
45.0 7.61 22.04 20.35 19.33 18.65 17.80 17.30 16.96 16.62
46.0 7.78 22.96 21.19 20.13 19.43 18.54 18.01 17.66 17.31
47.0 7.95 23.89 22.05 20.95 20.21 19.30 18.74 18.38 18.01
48.0 8.12 24.84 22.93 21.78 21.02 20.06 19.49 19.11 18.72
49.0 8.29 25.81 23.82 22.63 21.84 20.84 20.25 19.85 19.45
50.0 8.46 26.79 24.73 23.49 22.67 21.64 21.02 20.61 20.19
52.0 8.80 28.80 26.59 25.26 24.37 23.26 22.60 22.16 21.71
54.0 9.13 30.89 28.51 27.09 26.13 24.95 24.23 23.76 23.28
56.0 9.47 33.04 30.49 28.97 27.95 26.68 25.92 25.41 24.90
58.0 9.81 35.25 32.54 30.91 29.83 28.47 27.66 27.12 26.57
60.0 10.15 37.53 34.65 32.91 31.76 30.32 29.45 28.87 28.29
Pressure Loss Tables
40
Pressure Loss Per 100 Feet 2" HDPE - SDR11 (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
11.0 1.19 0.39 0.36 0.34 0.33 0.32 0.31 0.30 0.30
12.0 1.30 0.46 0.42 0.40 0.39 0.37 0.36 0.35 0.35
13.0 1.41 0.53 0.49 0.47 0.45 0.43 0.42 0.41 0.40
14.0 1.51 0.61 0.57 0.54 0.52 0.49 0.48 0.47 0.46
15.0 1.62 0.70 0.64 0.61 0.59 0.56 0.55 0.54 0.52
16.0 1.73 0.78 0.72 0.69 0.66 0.63 0.62 0.60 0.59
17.0 1.84 0.88 0.81 0.77 0.74 0.71 0.69 0.67 0.66
18.0 1.95 0.97 0.90 0.85 0.82 0.79 0.76 0.75 0.73
19.0 2.06 1.08 0.99 0.94 0.91 0.87 0.85 0.83 0.81
20.0 2.16 1.18 1.09 1.04 1.00 0.96 0.93 0.91 0.89
21.0 2.27 1.30 1.20 1.14 1.10 1.05 1.02 1.00 0.98
22.0 2.38 1.41 1.30 1.24 1.20 1.14 1.11 1.09 1.07
23.0 2.49 1.53 1.42 1.35 1.30 1.24 1.20 1.18 1.16
24.0 2.60 1.66 1.53 1.46 1.40 1.34 1.30 1.28 1.25
25.0 2.71 1.79 1.65 1.57 1.51 1.45 1.40 1.38 1.35
26.0 2.81 1.92 1.78 1.69 1.63 1.55 1.51 1.48 1.45
27.0 2.92 2.06 1.91 1.81 1.75 1.67 1.62 1.59 1.56
28.0 3.03 2.21 2.04 1.94 1.87 1.78 1.73 1.70 1.66
29.0 3.14 2.36 2.17 2.07 1.99 1.90 1.85 1.81 1.78
30.0 3.25 2.51 2.32 2.20 2.12 2.03 1.97 1.93 1.89
32.0 3.46 2.83 2.61 2.48 2.39 2.28 2.22 2.17 2.13
34.0 3.68 3.16 2.92 2.77 2.68 2.55 2.48 2.43 2.38
36.0 3.90 3.51 3.24 3.08 2.97 2.84 2.76 2.70 2.65
38.0 4.11 3.88 3.59 3.41 3.29 3.14 3.05 2.99 2.93
40.0 4.33 4.27 3.94 3.74 3.61 3.45 3.35 3.28 3.22
42.0 4.54 4.67 4.31 4.10 3.95 3.77 3.67 3.60 3.52
44.0 4.76 5.09 4.70 4.47 4.31 4.11 4.00 3.92 3.84
46.0 4.98 5.53 5.10 4.85 4.68 4.47 4.34 4.25 4.17
48.0 5.19 5.98 5.52 5.25 5.06 4.83 4.69 4.60 4.51
50.0 5.41 6.45 5.96 5.66 5.46 5.21 5.06 4.96 4.86
52.0 5.63 6.94 6.40 6.08 5.87 5.60 5.44 5.34 5.23
54.0 5.84 7.44 6.87 6.52 6.30 6.01 5.84 5.72 5.61
56.0 6.06 7.96 7.35 6.98 6.73 6.43 6.24 6.12 6.00
58.0 6.28 8.49 7.84 7.45 7.19 6.86 6.66 6.53 6.40
60.0 6.49 9.04 8.35 7.93 7.65 7.30 7.09 6.95 6.82
62.0 6.71 9.61 8.87 8.42 8.13 7.76 7.54 7.39 7.24
64.0 6.93 10.19 9.40 8.93 8.62 8.23 7.99 7.84 7.68
66.0 7.14 10.78 9.96 9.46 9.13 8.71 8.46 8.30 8.13
68.0 7.36 11.40 10.52 9.99 9.64 9.21 8.94 8.77 8.59
70.0 7.57 12.03 11.10 10.55 10.18 9.71 9.44 9.25 9.07
72.0 7.79 12.67 11.69 11.11 10.72 10.23 9.94 9.74 9.55
74.0 8.01 13.33 12.30 11.69 11.28 10.76 10.46 10.25 10.05
76.0 8.22 14.00 12.92 12.28 11.85 11.31 10.99 10.77 10.55
78.0 8.44 14.69 13.56 12.88 12.43 11.87 11.53 11.30 11.07
80.0 8.66 15.39 14.21 13.50 13.03 12.43 12.08 11.84 11.61
82.0 8.87 16.11 14.87 14.13 13.64 13.02 12.64 12.40 12.15
84.0 9.09 16.85 15.55 14.78 14.26 13.61 13.22 12.96 12.70
86.0 9.31 17.60 16.24 15.43 14.89 14.21 13.81 13.54 13.27
88.0 9.52 18.36 16.95 16.10 15.54 14.83 14.41 14.13 13.84
90.0 9.74 19.14 17.67 16.79 16.20 15.46 15.02 14.73 14.43
92.0 9.95 19.94 18.40 17.48 16.87 16.10 15.64 15.34 15.03
94.0 10.17 20.75 19.15 18.19 17.55 16.76 16.28 15.96 15.64
Pressure Loss Tables
Pressure Loss Per 100 Feet 2" HDPE - SDR11 (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
11.0 1.19 0.49 0.45 0.43 0.41 0.39 0.38 0.37 0.37
12.0 1.30 0.57 0.53 0.50 0.48 0.46 0.45 0.44 0.43
13.0 1.41 0.66 0.61 0.58 0.56 0.53 0.52 0.51 0.50
14.0 1.51 0.76 0.70 0.67 0.64 0.61 0.60 0.58 0.57
15.0 1.62 0.86 0.80 0.76 0.73 0.70 0.68 0.66 0.65
16.0 1.73 0.97 0.90 0.85 0.82 0.79 0.76 0.75 0.73
17.0 1.84 1.09 1.00 0.95 0.92 0.88 0.85 0.84 0.82
18.0 1.95 1.21 1.12 1.06 1.02 0.98 0.95 0.93 0.91
19.0 2.06 1.34 1.23 1.17 1.13 1.08 1.05 1.03 1.01
20.0 2.16 1.47 1.36 1.29 1.24 1.19 1.15 1.13 1.11
21.0 2.27 1.61 1.48 1.41 1.36 1.30 1.26 1.24 1.21
22.0 2.38 1.75 1.62 1.54 1.48 1.42 1.37 1.35 1.32
23.0 2.49 1.90 1.76 1.67 1.61 1.54 1.49 1.46 1.43
24.0 2.60 2.06 1.90 1.80 1.74 1.66 1.61 1.58 1.55
25.0 2.71 2.22 2.05 1.95 1.88 1.79 1.74 1.71 1.67
26.0 2.81 2.39 2.20 2.09 2.02 1.93 1.87 1.84 1.80
27.0 2.92 2.56 2.36 2.24 2.17 2.07 2.01 1.97 1.93
28.0 3.03 2.74 2.53 2.40 2.32 2.21 2.15 2.11 2.06
29.0 3.14 2.92 2.70 2.56 2.47 2.36 2.29 2.25 2.20
30.0 3.25 3.11 2.87 2.73 2.63 2.51 2.44 2.39 2.34
32.0 3.46 3.50 3.23 3.07 2.97 2.83 2.75 2.70 2.64
34.0 3.68 3.92 3.62 3.44 3.32 3.17 3.08 3.02 2.96
36.0 3.90 4.36 4.02 3.82 3.69 3.52 3.42 3.35 3.28
38.0 4.11 4.82 4.45 4.22 4.07 3.89 3.78 3.70 3.63
40.0 4.33 5.30 4.89 4.64 4.48 4.28 4.15 4.07 3.99
42.0 4.54 5.80 5.35 5.08 4.90 4.68 4.55 4.46 4.37
44.0 4.76 6.32 5.83 5.54 5.34 5.10 4.96 4.86 4.76
46.0 4.98 6.86 6.33 6.01 5.80 5.54 5.38 5.28 5.17
48.0 5.19 7.42 6.85 6.51 6.28 5.99 5.82 5.71 5.59
50.0 5.41 8.00 7.39 7.02 6.77 6.46 6.28 6.15 6.03
52.0 5.63 8.60 7.94 7.54 7.28 6.95 6.75 6.62 6.49
54.0 5.84 9.23 8.52 8.09 7.81 7.45 7.24 7.10 6.95
56.0 6.06 9.87 9.11 8.65 8.35 7.97 7.74 7.59 7.44
58.0 6.28 10.53 9.72 9.23 8.91 8.50 8.26 8.10 7.94
60.0 6.49 11.21 10.35 9.83 9.49 9.06 8.80 8.62 8.45
62.0 6.71 11.91 11.00 10.45 10.08 9.62 9.35 9.16 8.98
64.0 6.93 12.63 11.66 11.08 10.69 10.20 9.91 9.72 9.52
66.0 7.14 13.37 12.34 11.73 11.32 10.80 10.49 10.29 10.08
68.0 7.36 14.13 13.05 12.39 11.96 11.41 11.09 10.87 10.65
70.0 7.57 14.91 13.76 13.08 12.62 12.04 11.70 11.47 11.24
72.0 7.79 15.71 14.50 13.78 13.29 12.69 12.33 12.08 11.84
74.0 8.01 16.53 15.25 14.49 13.98 13.35 12.97 12.71 12.46
76.0 8.22 17.36 16.03 15.22 14.69 14.02 13.62 13.35 13.09
78.0 8.44 18.22 16.81 15.97 15.41 14.71 14.29 14.01 13.73
80.0 8.66 19.09 17.62 16.74 16.15 15.42 14.98 14.68 14.39
82.0 8.87 19.98 18.44 17.52 16.91 16.14 15.68 15.37 15.06
84.0 9.09 20.89 19.29 18.32 17.68 16.87 16.39 16.07 15.75
86.0 9.31 21.82 20.14 19.14 18.46 17.63 17.12 16.79 16.45
88.0 9.52 22.77 21.02 19.97 19.27 18.39 17.87 17.52 17.17
90.0 9.74 23.74 21.91 20.82 20.09 19.17 18.62 18.26 17.89
92.0 9.95 24.72 22.82 21.68 20.92 19.97 19.40 19.02 18.64
94.0 10.17 25.73 23.75 22.56 21.77 20.78 20.18 19.79 19.39
41
Pressure Loss Tables
Pressure Loss Per 100 Feet 2" HDPE - SDR11 (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
11.0 1.19 0.52 0.48 0.46 0.44 0.42 0.41 0.40 0.39
12.0 1.30 0.61 0.57 0.54 0.52 0.49 0.48 0.47 0.46
13.0 1.41 0.71 0.66 0.62 0.60 0.57 0.56 0.55 0.54
14.0 1.51 0.81 0.75 0.71 0.69 0.66 0.64 0.63 0.61
15.0 1.62 0.93 0.85 0.81 0.78 0.75 0.73 0.71 0.70
16.0 1.73 1.04 0.96 0.91 0.88 0.84 0.82 0.80 0.79
17.0 1.84 1.17 1.08 1.02 0.99 0.94 0.92 0.90 0.88
18.0 1.95 1.30 1.20 1.14 1.10 1.05 1.02 1.00 0.98
19.0 2.06 1.43 1.32 1.26 1.21 1.16 1.12 1.10 1.08
20.0 2.16 1.58 1.45 1.38 1.33 1.27 1.24 1.21 1.19
21.0 2.27 1.72 1.59 1.51 1.46 1.39 1.35 1.33 1.30
22.0 2.38 1.88 1.73 1.65 1.59 1.52 1.47 1.45 1.42
23.0 2.49 2.04 1.88 1.79 1.73 1.65 1.60 1.57 1.54
24.0 2.60 2.21 2.04 1.94 1.87 1.78 1.73 1.70 1.66
25.0 2.71 2.38 2.20 2.09 2.01 1.92 1.87 1.83 1.79
26.0 2.81 2.56 2.36 2.24 2.17 2.07 2.01 1.97 1.93
27.0 2.92 2.74 2.53 2.41 2.32 2.22 2.15 2.11 2.07
28.0 3.03 2.94 2.71 2.57 2.48 2.37 2.30 2.26 2.21
29.0 3.14 3.13 2.89 2.75 2.65 2.53 2.46 2.41 2.36
30.0 3.25 3.34 3.08 2.93 2.82 2.69 2.62 2.57 2.51
32.0 3.46 3.76 3.47 3.30 3.18 3.04 2.95 2.89 2.83
34.0 3.68 4.20 3.88 3.69 3.56 3.40 3.30 3.23 3.17
36.0 3.90 4.67 4.31 4.10 3.95 3.77 3.67 3.60 3.52
38.0 4.11 5.17 4.77 4.53 4.37 4.17 4.05 3.97 3.89
40.0 4.33 5.68 5.24 4.98 4.81 4.59 4.46 4.37 4.28
42.0 4.54 6.22 5.74 5.45 5.26 5.02 4.88 4.78 4.69
44.0 4.76 6.77 6.25 5.94 5.73 5.47 5.32 5.21 5.11
46.0 4.98 7.36 6.79 6.45 6.22 5.94 5.77 5.66 5.54
48.0 5.19 7.96 7.35 6.98 6.73 6.43 6.24 6.12 6.00
50.0 5.41 8.58 7.92 7.53 7.26 6.93 6.73 6.60 6.47
52.0 5.63 9.23 8.52 8.09 7.81 7.45 7.24 7.10 6.96
54.0 5.84 9.90 9.13 8.68 8.37 7.99 7.76 7.61 7.46
56.0 6.06 10.58 9.77 9.28 8.96 8.55 8.30 8.14 7.98
58.0 6.28 11.29 10.43 9.90 9.56 9.12 8.86 8.69 8.51
60.0 6.49 12.03 11.10 10.55 10.18 9.71 9.44 9.25 9.07
62.0 6.71 12.78 11.79 11.20 10.81 10.32 10.03 9.83 9.63
64.0 6.93 13.55 12.51 11.88 11.47 10.94 10.63 10.42 10.21
66.0 7.14 14.34 13.24 12.58 12.14 11.59 11.25 11.03 10.81
68.0 7.36 15.16 13.99 13.29 12.83 12.24 11.89 11.66 11.43
70.0 7.57 15.99 14.76 14.02 13.53 12.92 12.55 12.30 12.06
72.0 7.79 16.85 15.55 14.78 14.26 13.61 13.22 12.96 12.70
74.0 8.01 17.72 16.36 15.54 15.00 14.32 13.91 13.63 13.36
76.0 8.22 18.62 17.19 16.33 15.76 15.04 14.61 14.32 14.04
78.0 8.44 19.54 18.04 17.13 16.53 15.78 15.33 15.03 14.73
80.0 8.66 20.47 18.90 17.95 17.32 16.54 16.06 15.75 15.43
82.0 8.87 21.43 19.78 18.79 18.13 17.31 16.82 16.49 16.16
84.0 9.09 22.41 20.69 19.65 18.96 18.10 17.58 17.24 16.89
86.0 9.31 23.41 21.61 20.53 19.81 18.90 18.36 18.00 17.64
88.0 9.52 24.42 22.54 21.42 20.67 19.73 19.16 18.79 18.41
90.0 9.74 25.46 23.50 22.33 21.54 20.56 19.98 19.58 19.19
92.0 9.95 26.52 24.48 23.25 22.44 21.42 20.81 20.40 19.99
94.0 10.17 27.59 25.47 24.20 23.35 22.29 21.65 21.23 20.80
Pressure Loss Per 100 Feet 2" HDPE - SDR11 (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
11.0 1.19 0.49 0.45 0.43 0.41 0.39 0.38 0.37 0.37
12.0 1.30 0.57 0.53 0.50 0.48 0.46 0.45 0.44 0.43
13.0 1.41 0.66 0.61 0.58 0.56 0.53 0.52 0.51 0.50
14.0 1.51 0.76 0.70 0.67 0.64 0.61 0.60 0.58 0.57
15.0 1.62 0.86 0.80 0.76 0.73 0.70 0.68 0.66 0.65
16.0 1.73 0.97 0.90 0.85 0.82 0.79 0.76 0.75 0.73
17.0 1.84 1.09 1.00 0.95 0.92 0.88 0.85 0.84 0.82
18.0 1.95 1.21 1.12 1.06 1.02 0.98 0.95 0.93 0.91
19.0 2.06 1.34 1.23 1.17 1.13 1.08 1.05 1.03 1.01
20.0 2.16 1.47 1.36 1.29 1.24 1.19 1.15 1.13 1.11
21.0 2.27 1.61 1.48 1.41 1.36 1.30 1.26 1.24 1.21
22.0 2.38 1.75 1.62 1.54 1.48 1.42 1.37 1.35 1.32
23.0 2.49 1.90 1.76 1.67 1.61 1.54 1.49 1.46 1.43
24.0 2.60 2.06 1.90 1.80 1.74 1.66 1.61 1.58 1.55
25.0 2.71 2.22 2.05 1.95 1.88 1.79 1.74 1.71 1.67
26.0 2.81 2.39 2.20 2.09 2.02 1.93 1.87 1.84 1.80
27.0 2.92 2.56 2.36 2.24 2.17 2.07 2.01 1.97 1.93
28.0 3.03 2.74 2.53 2.40 2.32 2.21 2.15 2.11 2.06
29.0 3.14 2.92 2.70 2.56 2.47 2.36 2.29 2.25 2.20
30.0 3.25 3.11 2.87 2.73 2.63 2.51 2.44 2.39 2.34
32.0 3.46 3.50 3.23 3.07 2.97 2.83 2.75 2.70 2.64
34.0 3.68 3.92 3.62 3.44 3.32 3.17 3.08 3.02 2.96
36.0 3.90 4.36 4.02 3.82 3.69 3.52 3.42 3.35 3.28
38.0 4.11 4.82 4.45 4.22 4.07 3.89 3.78 3.70 3.63
40.0 4.33 5.30 4.89 4.64 4.48 4.28 4.15 4.07 3.99
42.0 4.54 5.80 5.35 5.08 4.90 4.68 4.55 4.46 4.37
44.0 4.76 6.32 5.83 5.54 5.34 5.10 4.96 4.86 4.76
46.0 4.98 6.86 6.33 6.01 5.80 5.54 5.38 5.28 5.17
48.0 5.19 7.42 6.85 6.51 6.28 5.99 5.82 5.71 5.59
50.0 5.41 8.00 7.39 7.02 6.77 6.46 6.28 6.15 6.03
52.0 5.63 8.60 7.94 7.54 7.28 6.95 6.75 6.62 6.49
54.0 5.84 9.23 8.52 8.09 7.81 7.45 7.24 7.10 6.95
56.0 6.06 9.87 9.11 8.65 8.35 7.97 7.74 7.59 7.44
58.0 6.28 10.53 9.72 9.23 8.91 8.50 8.26 8.10 7.94
60.0 6.49 11.21 10.35 9.83 9.49 9.06 8.80 8.62 8.45
62.0 6.71 11.91 11.00 10.45 10.08 9.62 9.35 9.16 8.98
64.0 6.93 12.63 11.66 11.08 10.69 10.20 9.91 9.72 9.52
66.0 7.14 13.37 12.34 11.73 11.32 10.80 10.49 10.29 10.08
68.0 7.36 14.13 13.05 12.39 11.96 11.41 11.09 10.87 10.65
70.0 7.57 14.91 13.76 13.08 12.62 12.04 11.70 11.47 11.24
72.0 7.79 15.71 14.50 13.78 13.29 12.69 12.33 12.08 11.84
74.0 8.01 16.53 15.25 14.49 13.98 13.35 12.97 12.71 12.46
76.0 8.22 17.36 16.03 15.22 14.69 14.02 13.62 13.35 13.09
78.0 8.44 18.22 16.81 15.97 15.41 14.71 14.29 14.01 13.73
80.0 8.66 19.09 17.62 16.74 16.15 15.42 14.98 14.68 14.39
82.0 8.87 19.98 18.44 17.52 16.91 16.14 15.68 15.37 15.06
84.0 9.09 20.89 19.29 18.32 17.68 16.87 16.39 16.07 15.75
86.0 9.31 21.82 20.14 19.14 18.46 17.63 17.12 16.79 16.45
88.0 9.52 22.77 21.02 19.97 19.27 18.39 17.87 17.52 17.17
90.0 9.74 23.74 21.91 20.82 20.09 19.17 18.62 18.26 17.89
92.0 9.95 24.72 22.82 21.68 20.92 19.97 19.40 19.02 18.64
94.0 10.17 25.73 23.75 22.56 21.77 20.78 20.18 19.79 19.39
42
Pressure Loss Per 100 Feet 3" HDPE - SDR11 (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
30 1.50 0.38 0.35 0.34 0.32 0.31 0.30 0.29 0.29
31 1.55 0.41 0.37 0.36 0.34 0.33 0.32 0.31 0.31
32 1.60 0.43 0.40 0.38 0.36 0.35 0.34 0.33 0.32
33 1.65 0.46 0.42 0.40 0.39 0.37 0.36 0.35 0.34
34 1.70 0.48 0.44 0.42 0.41 0.39 0.38 0.37 0.36
35 1.75 0.51 0.47 0.45 0.43 0.41 0.40 0.39 0.38
36 1.80 0.54 0.49 0.47 0.45 0.43 0.42 0.41 0.40
37 1.85 0.56 0.52 0.49 0.48 0.46 0.44 0.43 0.42
38 1.90 0.59 0.55 0.52 0.50 0.48 0.46 0.46 0.45
39 1.95 0.62 0.57 0.54 0.53 0.50 0.49 0.48 0.47
40 2.00 0.65 0.60 0.57 0.55 0.53 0.51 0.50 0.49
41 2.05 0.68 0.63 0.60 0.58 0.55 0.53 0.52 0.51
42 2.10 0.71 0.66 0.62 0.60 0.58 0.56 0.55 0.54
43 2.15 0.74 0.69 0.65 0.63 0.60 0.58 0.57 0.56
44 2.20 0.78 0.72 0.68 0.66 0.63 0.61 0.60 0.59
45 2.25 0.81 0.75 0.71 0.68 0.65 0.64 0.62 0.61
46 2.30 0.84 0.78 0.74 0.71 0.68 0.66 0.65 0.64
47 2.35 0.88 0.81 0.77 0.74 0.71 0.69 0.67 0.66
48 2.40 0.91 0.84 0.80 0.77 0.74 0.72 0.70 0.69
49 2.45 0.95 0.87 0.83 0.80 0.77 0.74 0.73 0.71
50 2.50 0.98 0.91 0.86 0.83 0.79 0.77 0.76 0.74
52 2.60 1.06 0.98 0.93 0.90 0.85 0.83 0.81 0.80
54 2.70 1.13 1.05 0.99 0.96 0.92 0.89 0.87 0.86
56 2.80 1.21 1.12 1.06 1.03 0.98 0.95 0.93 0.91
58 2.90 1.29 1.19 1.14 1.10 1.05 1.02 1.00 0.98
60 3.00 1.38 1.27 1.21 1.17 1.11 1.08 1.06 1.04
62 3.10 1.46 1.35 1.28 1.24 1.18 1.15 1.13 1.10
64 3.20 1.55 1.43 1.36 1.31 1.25 1.22 1.19 1.17
66 3.30 1.64 1.52 1.44 1.39 1.33 1.29 1.26 1.24
68 3.40 1.74 1.60 1.52 1.47 1.40 1.36 1.34 1.31
70 3.50 1.83 1.69 1.61 1.55 1.48 1.44 1.41 1.38
72 3.60 1.93 1.78 1.69 1.63 1.56 1.52 1.49 1.46
74 3.70 2.03 1.88 1.78 1.72 1.64 1.59 1.56 1.53
76 3.80 2.13 1.97 1.87 1.81 1.72 1.67 1.64 1.61
78 3.90 2.24 2.07 1.96 1.89 1.81 1.76 1.72 1.69
80 4.00 2.35 2.17 2.06 1.99 1.90 1.84 1.81 1.77
82 4.10 2.46 2.27 2.15 2.08 1.98 1.93 1.89 1.85
84 4.20 2.57 2.37 2.25 2.17 2.07 2.02 1.98 1.94
86 4.29 2.68 2.48 2.35 2.27 2.17 2.10 2.06 2.02
88 4.39 2.80 2.58 2.45 2.37 2.26 2.20 2.15 2.11
90 4.49 2.92 2.69 2.56 2.47 2.36 2.29 2.24 2.20
92 4.59 3.04 2.81 2.67 2.57 2.45 2.38 2.34 2.29
94 4.69 3.16 2.92 2.77 2.68 2.55 2.48 2.43 2.38
96 4.79 3.29 3.04 2.88 2.78 2.66 2.58 2.53 2.48
98 4.89 3.42 3.15 3.00 2.89 2.76 2.68 2.63 2.58
100 4.99 3.55 3.27 3.11 3.00 2.86 2.78 2.73 2.67
102 5.09 3.68 3.40 3.23 3.11 2.97 2.89 2.83 2.77
104 5.19 3.81 3.52 3.34 3.23 3.08 2.99 2.93 2.87
106 5.29 3.95 3.65 3.46 3.34 3.19 3.10 3.04 2.98
108 5.39 4.09 3.77 3.59 3.46 3.30 3.21 3.15 3.08
110 5.49 4.23 3.90 3.71 3.58 3.42 3.32 3.25 3.19
112 5.59 4.37 4.04 3.84 3.70 3.53 3.43 3.36 3.30
Pressure Loss Per 100 Feet 3" HDPE - SDR11 (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
114 5.69 4.52 4.17 3.96 3.82 3.65 3.55 3.55 3.41
116 5.79 4.67 4.31 4.09 3.95 3.77 3.66 3.66 3.52
118 5.89 4.82 4.45 4.22 4.08 3.89 3.78 3.78 3.63
120 5.99 4.97 4.59 4.36 4.20 4.01 3.90 3.90 3.75
122 6.09 5.12 4.73 4.49 4.33 4.14 4.02 4.02 3.86
124 6.19 5.28 4.87 4.63 4.47 4.26 4.14 4.14 3.98
126 6.29 5.44 5.02 4.77 4.60 4.39 4.27 4.27 4.10
128 6.39 5.60 5.17 4.91 4.74 4.52 4.39 4.39 4.22
130 6.49 5.76 5.32 5.05 4.88 4.65 4.52 4.52 4.34
132 6.59 5.93 5.47 5.20 5.02 4.79 4.65 4.65 4.47
134 6.69 6.09 5.63 5.34 5.16 4.92 4.78 4.78 4.59
136 6.79 6.26 5.78 5.49 5.30 5.06 4.91 4.91 4.72
138 6.89 6.43 5.94 5.64 5.44 5.20 5.05 5.05 4.85
140 6.99 6.61 6.10 5.80 5.59 5.34 5.19 5.19 4.98
142 7.09 6.78 6.26 5.95 5.74 5.48 5.32 5.32 5.11
144 7.19 6.96 6.43 6.11 5.89 5.62 5.46 5.46 5.25
146 7.29 7.14 6.59 6.26 6.04 5.77 5.60 5.60 5.38
148 7.39 7.32 6.76 6.42 6.20 5.92 5.75 5.75 5.52
150 7.49 7.51 6.93 6.58 6.35 6.06 5.89 5.89 5.66
155 7.74 7.98 7.36 7.00 6.75 6.44 6.26 6.26 6.01
160 7.99 8.46 7.81 7.42 7.16 6.83 6.64 6.64 6.38
165 8.24 8.96 8.27 7.85 7.58 7.23 7.03 7.03 6.75
170 8.49 9.46 8.74 8.30 8.01 7.64 7.43 7.43 7.13
175 8.74 9.99 9.22 8.76 8.45 8.07 7.84 7.84 7.53
180 8.99 10.52 9.71 9.23 8.90 8.50 8.25 8.25 7.93
185 9.24 11.07 10.22 9.71 9.36 8.94 8.68 8.68 8.34
190 9.49 11.63 10.73 10.20 9.84 9.39 9.12 9.12 8.76
195 9.74 12.20 11.26 10.70 10.32 9.85 9.57 9.57 9.20
200 9.99 12.78 11.80 11.21 10.82 10.33 10.03 10.03 9.64
Pressure Loss Tables
43
Pressure Loss Per 100 Feet 3" HDPE - SDR11 (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
30 1.50 0.47 0.44 0.42 0.40 0.38 0.37 0.36 0.36
31 1.55 0.50 0.46 0.44 0.43 0.41 0.40 0.39 0.38
32 1.60 0.53 0.49 0.47 0.45 0.43 0.42 0.41 0.40
33 1.65 0.57 0.52 0.50 0.48 0.46 0.44 0.44 0.43
34 1.70 0.60 0.55 0.52 0.51 0.48 0.47 0.46 0.45
35 1.75 0.63 0.58 0.55 0.53 0.51 0.49 0.49 0.48
36 1.80 0.66 0.61 0.58 0.56 0.54 0.52 0.51 0.50
37 1.85 0.70 0.65 0.61 0.59 0.56 0.55 0.54 0.53
38 1.90 0.73 0.68 0.64 0.62 0.59 0.58 0.56 0.55
39 1.95 0.77 0.71 0.68 0.65 0.62 0.60 0.59 0.58
40 2.00 0.81 0.75 0.71 0.68 0.65 0.63 0.62 0.61
41 2.05 0.84 0.78 0.74 0.71 0.68 0.66 0.65 0.64
42 2.10 0.88 0.82 0.77 0.75 0.71 0.69 0.68 0.67
43 2.15 0.92 0.85 0.81 0.78 0.75 0.72 0.71 0.70
44 2.20 0.96 0.89 0.84 0.81 0.78 0.76 0.74 0.73
45 2.25 1.00 0.93 0.88 0.85 0.81 0.79 0.77 0.76
46 2.30 1.05 0.97 0.92 0.88 0.84 0.82 0.80 0.79
47 2.35 1.09 1.00 0.95 0.92 0.88 0.85 0.84 0.82
48 2.40 1.13 1.04 0.99 0.96 0.91 0.89 0.87 0.85
49 2.45 1.18 1.08 1.03 0.99 0.95 0.92 0.90 0.89
50 2.50 1.22 1.13 1.07 1.03 0.99 0.96 0.94 0.92
52 2.60 1.31 1.21 1.15 1.11 1.06 1.03 1.01 0.99
54 2.70 1.41 1.30 1.23 1.19 1.14 1.10 1.08 1.06
56 2.80 1.50 1.39 1.32 1.27 1.22 1.18 1.16 1.13
58 2.90 1.61 1.48 1.41 1.36 1.30 1.26 1.23 1.21
60 3.00 1.71 1.58 1.50 1.45 1.38 1.34 1.31 1.29
62 3.10 1.82 1.68 1.59 1.54 1.47 1.42 1.40 1.37
64 3.20 1.93 1.78 1.69 1.63 1.56 1.51 1.48 1.45
66 3.30 2.04 1.88 1.79 1.73 1.65 1.60 1.57 1.54
68 3.40 2.15 1.99 1.89 1.82 1.74 1.69 1.66 1.62
70 3.50 2.27 2.10 1.99 1.92 1.84 1.78 1.75 1.71
72 3.60 2.39 2.21 2.10 2.03 1.93 1.88 1.84 1.81
74 3.70 2.52 2.33 2.21 2.13 2.03 1.98 1.94 1.90
76 3.80 2.65 2.44 2.32 2.24 2.14 2.08 2.04 2.00
78 3.90 2.78 2.56 2.44 2.35 2.24 2.18 2.14 2.09
80 4.00 2.91 2.69 2.55 2.46 2.35 2.28 2.24 2.19
82 4.10 3.05 2.81 2.67 2.58 2.46 2.39 2.34 2.30
84 4.20 3.18 2.94 2.79 2.69 2.57 2.50 2.45 2.40
86 4.29 3.33 3.07 2.92 2.81 2.69 2.61 2.56 2.51
88 4.39 3.47 3.20 3.04 2.94 2.80 2.72 2.67 2.62
90 4.49 3.62 3.34 3.17 3.06 2.92 2.84 2.78 2.73
92 4.59 3.77 3.48 3.30 3.19 3.04 2.96 2.90 2.84
94 4.69 3.92 3.62 3.44 3.32 3.17 3.08 3.02 2.96
96 4.79 4.08 3.76 3.58 3.45 3.29 3.20 3.14 3.07
98 4.89 4.24 3.91 3.71 3.58 3.42 3.32 3.26 3.19
100 4.99 4.40 4.06 3.86 3.72 3.55 3.45 3.38 3.31
102 5.09 4.56 4.21 4.00 3.86 3.68 3.58 3.51 3.44
104 5.19 4.73 4.36 4.15 4.00 3.82 3.71 3.64 3.56
106 5.29 4.90 4.52 4.30 4.14 3.96 3.84 3.77 3.69
108 5.39 5.07 4.68 4.45 4.29 4.10 3.98 3.90 3.82
110 5.49 5.25 4.84 4.60 4.44 4.24 4.12 4.03 3.95
112 5.59 5.42 5.01 4.76 4.59 4.38 4.26 4.17 4.09
Pressure Loss Per 100 Feet 3" HDPE - SDR11 (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
114 5.69 5.60 5.17 4.91 4.74 4.53 4.40 4.31 4.22
116 5.79 5.79 5.34 5.07 4.90 4.67 4.54 4.45 4.36
118 5.89 5.97 5.51 5.24 5.05 4.82 4.69 4.59 4.50
120 5.99 6.16 5.69 5.40 5.21 4.98 4.83 4.74 4.64
122 6.09 6.35 5.86 5.57 5.38 5.13 4.98 4.89 4.79
124 6.19 6.55 6.04 5.74 5.54 5.29 5.14 5.04 4.94
126 6.29 6.74 6.22 5.91 5.71 5.45 5.29 5.19 5.08
128 6.39 6.94 6.41 6.09 5.87 5.61 5.45 5.34 5.23
130 6.49 7.14 6.60 6.27 6.05 5.77 5.61 5.50 5.39
132 6.59 7.35 6.78 6.44 6.22 5.94 5.77 5.65 5.54
134 6.69 7.56 6.98 6.63 6.39 6.10 5.93 5.81 5.70
136 6.79 7.77 7.17 6.81 6.57 6.27 6.09 5.97 5.85
138 6.89 7.98 7.37 7.00 6.75 6.44 6.26 6.14 6.02
140 6.99 8.19 7.56 7.19 6.93 6.62 6.43 6.30 6.18
142 7.09 8.41 7.77 7.38 7.12 6.79 6.60 6.47 6.34
144 7.19 8.63 7.97 7.57 7.30 6.97 6.77 6.64 6.51
146 7.29 8.86 8.17 7.77 7.49 7.15 6.95 6.81 6.68
148 7.39 9.08 8.38 7.96 7.68 7.34 7.13 6.99 6.85
150 7.49 9.31 8.59 8.16 7.88 7.52 7.30 7.16 7.02
155 7.74 9.89 9.13 8.67 8.37 7.99 7.76 7.61 7.46
160 7.99 10.49 9.68 9.20 8.88 8.47 8.23 8.07 7.91
165 8.24 11.11 10.25 9.74 9.40 8.97 8.71 8.54 8.37
170 8.49 11.74 10.83 10.29 9.93 9.48 9.21 9.03 8.85
175 8.74 12.38 11.43 10.86 10.48 10.00 9.72 9.53 9.33
180 8.99 13.05 12.04 11.44 11.04 10.54 10.24 10.03 9.83
185 9.24 13.72 12.67 12.03 11.61 11.08 10.77 10.56 10.35
190 9.49 14.42 13.31 12.64 12.20 11.64 11.31 11.09 10.87
195 9.74 15.13 13.96 13.27 12.80 12.22 11.87 11.64 11.40
200 9.99 15.85 14.63 13.90 13.41 12.80 12.44 12.19 11.95
Pressure Loss Tables
44
Pressure Loss Per 100 Feet 3" HDPE - SDR11 (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
30 1.50 0.51 0.47 0.45 0.43 0.41 0.40 0.39 0.38
31 1.55 0.54 0.50 0.47 0.46 0.44 0.42 0.42 0.41
32 1.60 0.57 0.53 0.50 0.48 0.46 0.45 0.44 0.43
33 1.65 0.61 0.56 0.53 0.51 0.49 0.48 0.47 0.46
34 1.70 0.64 0.59 0.56 0.54 0.52 0.50 0.49 0.48
35 1.75 0.68 0.62 0.59 0.57 0.55 0.53 0.52 0.51
36 1.80 0.71 0.66 0.62 0.60 0.58 0.56 0.55 0.54
37 1.85 0.75 0.69 0.66 0.63 0.61 0.59 0.58 0.57
38 1.90 0.79 0.73 0.69 0.67 0.64 0.62 0.61 0.59
39 1.95 0.83 0.76 0.72 0.70 0.67 0.65 0.64 0.62
40 2.00 0.87 0.80 0.76 0.73 0.70 0.68 0.67 0.65
41 2.05 0.91 0.84 0.79 0.77 0.73 0.71 0.70 0.68
42 2.10 0.95 0.87 0.83 0.80 0.77 0.74 0.73 0.71
43 2.15 0.99 0.91 0.87 0.84 0.80 0.78 0.76 0.75
44 2.20 1.03 0.95 0.91 0.87 0.83 0.81 0.79 0.78
45 2.25 1.08 0.99 0.94 0.91 0.87 0.84 0.83 0.81
46 2.30 1.12 1.04 0.98 0.95 0.91 0.88 0.86 0.85
47 2.35 1.17 1.08 1.02 0.99 0.94 0.92 0.90 0.88
48 2.40 1.21 1.12 1.06 1.03 0.98 0.95 0.93 0.91
49 2.45 1.26 1.16 1.11 1.07 1.02 0.99 0.97 0.95
50 2.50 1.31 1.21 1.15 1.11 1.06 1.03 1.01 0.99
52 2.60 1.41 1.30 1.23 1.19 1.14 1.10 1.08 1.06
54 2.70 1.51 1.39 1.32 1.28 1.22 1.18 1.16 1.14
56 2.80 1.61 1.49 1.41 1.37 1.30 1.27 1.24 1.22
58 2.90 1.72 1.59 1.51 1.46 1.39 1.35 1.32 1.30
60 3.00 1.83 1.69 1.61 1.55 1.48 1.44 1.41 1.38
62 3.10 1.95 1.80 1.71 1.65 1.57 1.53 1.50 1.47
64 3.20 2.07 1.91 1.81 1.75 1.67 1.62 1.59 1.56
66 3.30 2.19 2.02 1.92 1.85 1.77 1.72 1.68 1.65
68 3.40 2.31 2.13 2.03 1.96 1.87 1.81 1.78 1.74
70 3.50 2.44 2.25 2.14 2.06 1.97 1.91 1.88 1.84
72 3.60 2.57 2.37 2.25 2.17 2.07 2.02 1.98 1.94
74 3.70 2.70 2.49 2.37 2.29 2.18 2.12 2.08 2.04
76 3.80 2.84 2.62 2.49 2.40 2.29 2.23 2.18 2.14
78 3.90 2.98 2.75 2.61 2.52 2.41 2.34 2.29 2.25
80 4.00 3.12 2.88 2.74 2.64 2.52 2.45 2.40 2.35
82 4.10 3.27 3.02 2.87 2.76 2.64 2.56 2.51 2.46
84 4.20 3.42 3.15 3.00 2.89 2.76 2.68 2.63 2.58
86 4.29 3.57 3.29 3.13 3.02 2.88 2.80 2.74 2.69
88 4.39 3.72 3.44 3.26 3.15 3.01 2.92 2.86 2.81
90 4.49 3.88 3.58 3.40 3.28 3.13 3.05 2.99 2.93
92 4.59 4.04 3.73 3.54 3.42 3.26 3.17 3.11 3.05
94 4.69 4.21 3.88 3.69 3.56 3.40 3.30 3.24 3.17
96 4.79 4.37 4.04 3.84 3.70 3.53 3.43 3.36 3.30
98 4.89 4.54 4.19 3.98 3.84 3.67 3.56 3.49 3.43
100 4.99 4.72 4.35 4.14 3.99 3.81 3.70 3.63 3.56
102 5.09 4.89 4.52 4.29 4.14 3.95 3.84 3.76 3.69
104 5.19 5.07 4.68 4.45 4.29 4.10 3.98 3.90 3.82
106 5.29 5.25 4.85 4.61 4.45 4.24 4.12 4.04 3.96
108 5.39 5.44 5.02 4.77 4.60 4.39 4.27 4.18 4.10
110 5.49 5.63 5.19 4.93 4.76 4.54 4.41 4.33 4.24
112 5.59 5.82 5.37 5.10 4.92 4.70 4.56 4.47 4.38
Pressure Loss Per 100 Feet 3" HDPE - SDR11 (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
114 5.69 6.01 6.01 5.27 5.09 4.85 4.72 4.62 4.53
116 5.79 6.21 6.21 5.44 5.25 5.01 4.87 4.77 4.68
118 5.89 6.41 6.41 5.62 5.42 5.17 5.03 4.93 4.83
120 5.99 6.61 6.61 5.80 5.59 5.34 5.19 5.08 4.98
122 6.09 6.81 6.81 5.98 5.77 5.50 5.35 5.24 5.14
124 6.19 7.02 7.02 6.16 5.94 5.67 5.51 5.40 5.29
126 6.29 7.23 7.23 6.34 6.12 5.84 5.67 5.56 5.45
128 6.39 7.45 7.45 6.53 6.30 6.01 5.84 5.73 5.61
130 6.49 7.66 7.66 6.72 6.48 6.19 6.01 5.89 5.78
132 6.59 7.88 7.88 6.91 6.67 6.37 6.18 6.06 5.94
134 6.69 8.11 8.11 7.11 6.86 6.55 6.36 6.23 6.11
136 6.79 8.33 8.33 7.31 7.05 6.73 6.54 6.41 6.28
138 6.89 8.56 8.56 7.51 7.24 6.91 6.72 6.58 6.45
140 6.99 8.79 8.79 7.71 7.44 7.10 6.90 6.76 6.63
142 7.09 9.02 9.02 7.91 7.63 7.29 7.08 6.94 6.80
144 7.19 9.26 9.26 8.12 7.84 7.48 7.27 7.12 6.98
146 7.29 9.50 9.50 8.33 8.04 7.67 7.45 7.31 7.16
148 7.39 9.74 9.74 8.54 8.24 7.87 7.64 7.49 7.34
150 7.49 9.99 9.99 8.76 8.45 8.07 7.84 7.68 7.53
155 7.74 10.61 10.61 9.30 8.98 8.57 8.33 8.16 8.00
160 7.99 11.25 11.25 9.87 9.52 9.09 8.83 8.66 8.48
165 8.24 11.91 11.91 10.45 10.08 9.62 9.35 9.16 8.98
170 8.49 12.59 12.59 11.04 10.65 10.17 9.88 9.68 9.49
175 8.74 13.28 13.28 11.65 11.24 10.73 10.42 10.22 10.01
180 8.99 13.99 13.99 12.27 11.84 11.30 10.98 10.76 10.55
185 9.24 14.72 14.72 12.91 12.45 11.89 11.55 11.32 11.10
190 9.49 15.46 15.46 13.56 13.08 12.49 12.13 11.90 11.66
195 9.74 16.23 16.23 14.23 13.73 13.10 12.73 12.48 12.23
200 9.99 17.00 17.00 14.91 14.39 13.73 13.34 13.08 12.82
Pressure Loss Tables
45
Pressure Loss Per 100 Feet 3" HDPE - SDR11 (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
30 1.50 0.54 0.49 0.47 0.45 0.43 0.42 0.41 0.40
31 1.55 0.57 0.52 0.50 0.48 0.46 0.45 0.44 0.43
32 1.60 0.60 0.56 0.53 0.51 0.49 0.47 0.46 0.45
33 1.65 0.64 0.59 0.56 0.54 0.52 0.50 0.49 0.48
34 1.70 0.67 0.62 0.59 0.57 0.54 0.53 0.52 0.51
35 1.75 0.71 0.66 0.62 0.60 0.58 0.56 0.55 0.54
36 1.80 0.75 0.69 0.66 0.63 0.61 0.59 0.58 0.57
37 1.85 0.79 0.73 0.69 0.67 0.64 0.62 0.61 0.59
38 1.90 0.83 0.77 0.73 0.70 0.67 0.65 0.64 0.62
39 1.95 0.87 0.80 0.76 0.74 0.70 0.68 0.67 0.66
40 2.00 0.91 0.84 0.80 0.77 0.74 0.72 0.70 0.69
41 2.05 0.95 0.88 0.84 0.81 0.77 0.75 0.73 0.72
42 2.10 1.00 0.92 0.87 0.84 0.81 0.78 0.77 0.75
43 2.15 1.04 0.96 0.91 0.88 0.84 0.82 0.80 0.79
44 2.20 1.09 1.00 0.95 0.92 0.88 0.85 0.84 0.82
45 2.25 1.13 1.05 0.99 0.96 0.92 0.89 0.87 0.85
46 2.30 1.18 1.09 1.04 1.00 0.95 0.93 0.91 0.89
47 2.35 1.23 1.13 1.08 1.04 0.99 0.96 0.94 0.93
48 2.40 1.28 1.18 1.12 1.08 1.03 1.00 0.98 0.96
49 2.45 1.33 1.22 1.16 1.12 1.07 1.04 1.02 1.00
50 2.50 1.38 1.27 1.21 1.17 1.11 1.08 1.06 1.04
52 2.60 1.48 1.37 1.30 1.25 1.20 1.16 1.14 1.12
54 2.70 1.59 1.47 1.39 1.34 1.28 1.25 1.22 1.20
56 2.80 1.70 1.57 1.49 1.44 1.37 1.33 1.31 1.28
58 2.90 1.81 1.67 1.59 1.53 1.46 1.42 1.39 1.37
60 3.00 1.93 1.78 1.69 1.63 1.56 1.51 1.48 1.45
62 3.10 2.05 1.89 1.80 1.73 1.66 1.61 1.58 1.55
64 3.20 2.17 2.01 1.91 1.84 1.76 1.71 1.67 1.64
66 3.30 2.30 2.12 2.02 1.95 1.86 1.81 1.77 1.74
68 3.40 2.43 2.25 2.13 2.06 1.96 1.91 1.87 1.83
70 3.50 2.57 2.37 2.25 2.17 2.07 2.01 1.97 1.93
72 3.60 2.70 2.50 2.37 2.29 2.18 2.12 2.08 2.04
74 3.70 2.84 2.63 2.49 2.41 2.30 2.23 2.19 2.14
76 3.80 2.99 2.76 2.62 2.53 2.41 2.34 2.30 2.25
78 3.90 3.14 2.89 2.75 2.65 2.53 2.46 2.41 2.36
80 4.00 3.29 3.03 2.88 2.78 2.65 2.58 2.53 2.48
82 4.10 3.44 3.17 3.02 2.91 2.78 2.70 2.65 2.59
84 4.20 3.60 3.32 3.15 3.04 2.90 2.82 2.77 2.71
86 4.29 3.76 3.47 3.29 3.18 3.03 2.95 2.89 2.83
88 4.39 3.92 3.62 3.44 3.32 3.17 3.08 3.01 2.95
90 4.49 4.09 3.77 3.58 3.46 3.30 3.21 3.14 3.08
92 4.59 4.26 3.93 3.73 3.60 3.44 3.34 3.27 3.21
94 4.69 4.43 4.09 3.88 3.75 3.58 3.47 3.41 3.34
96 4.79 4.60 4.25 4.04 3.90 3.72 3.61 3.54 3.47
98 4.89 4.78 4.41 4.19 4.05 3.86 3.75 3.68 3.61
100 4.99 4.96 4.58 4.35 4.20 4.01 3.90 3.82 3.74
102 5.09 5.15 4.75 4.52 4.36 4.16 4.04 3.96 3.88
104 5.19 5.34 4.93 4.68 4.52 4.31 4.19 4.11 4.02
106 5.29 5.53 5.10 4.85 4.68 4.47 4.34 4.25 4.17
108 5.39 5.72 5.28 5.02 4.84 4.62 4.49 4.40 4.32
110 5.49 5.92 5.47 5.19 5.01 4.78 4.65 4.56 4.46
112 5.59 6.12 5.65 5.37 5.18 4.95 4.80 4.71 4.62
Pressure Loss Per 100 Feet 3" HDPE - SDR11 (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
114 5.69 6.33 5.84 5.55 5.35 5.11 4.96 4.87 4.77
116 5.79 6.53 6.03 5.73 5.53 5.28 5.13 5.03 4.93
118 5.89 6.74 6.22 5.91 5.71 5.45 5.29 5.19 5.08
120 5.99 6.96 6.42 6.10 5.89 5.62 5.46 5.35 5.24
122 6.09 7.17 6.62 6.29 6.07 5.79 5.63 5.52 5.41
124 6.19 7.39 6.82 6.48 6.25 5.97 5.80 5.69 5.57
126 6.29 7.61 7.03 6.68 6.44 6.15 5.97 5.86 5.74
128 6.39 7.84 7.24 6.87 6.63 6.33 6.15 6.03 5.91
130 6.49 8.07 7.45 7.07 6.83 6.52 6.33 6.21 6.08
132 6.59 8.30 7.66 7.28 7.02 6.70 6.51 6.38 6.26
134 6.69 8.53 7.88 7.48 7.22 6.89 6.69 6.56 6.43
136 6.79 8.77 8.09 7.69 7.42 7.08 6.88 6.75 6.61
138 6.89 9.01 8.32 7.90 7.62 7.28 7.07 6.93 6.79
140 6.99 9.25 8.54 8.11 7.83 7.47 7.26 7.12 6.97
142 7.09 9.50 8.77 8.33 8.04 7.67 7.45 7.31 7.16
144 7.19 9.75 9.00 8.55 8.25 7.87 7.65 7.50 7.35
146 7.29 10.00 9.23 8.77 8.46 8.08 7.85 7.69 7.54
148 7.39 10.25 9.46 8.99 8.68 8.28 8.05 7.89 7.73
150 7.49 10.51 9.70 9.22 8.89 8.49 8.25 8.09 7.92
155 7.74 11.17 10.31 9.79 9.45 9.02 8.76 8.59 8.42
160 7.99 11.84 10.93 10.39 10.02 9.57 9.29 9.11 8.93
165 8.24 12.54 11.57 11.00 10.61 10.13 9.84 9.64 9.45
170 8.49 13.25 12.23 11.62 11.21 10.70 10.40 10.19 9.99
175 8.74 13.98 12.90 12.26 11.83 11.29 10.97 10.75 10.54
180 8.99 14.73 13.60 12.92 12.46 11.90 11.56 11.33 11.10
185 9.24 15.49 14.30 13.59 13.11 12.51 12.16 11.92 11.68
190 9.49 16.28 15.03 14.27 13.77 13.15 12.77 12.52 12.27
195 9.74 17.08 15.77 14.98 14.45 13.79 13.40 13.14 12.87
200 9.99 17.90 16.52 15.70 15.14 14.46 14.04 13.77 13.49
Pressure Loss Tables
46
Pressure Loss Per 100 Feet 4" HDPE - SDR11 (100% Water)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
50 1.51 0.29 0.27 0.25 0.24 0.23 0.23 0.22 0.22
55 1.66 0.34 0.32 0.30 0.29 0.28 0.27 0.26 0.26
60 1.81 0.40 0.37 0.35 0.34 0.33 0.32 0.31 0.30
65 1.96 0.47 0.43 0.41 0.40 0.38 0.37 0.36 0.35
70 2.11 0.54 0.50 0.47 0.45 0.43 0.42 0.41 0.41
75 2.26 0.61 0.56 0.54 0.52 0.49 0.48 0.47 0.46
80 2.41 0.69 0.64 0.60 0.58 0.56 0.54 0.53 0.52
85 2.56 0.77 0.71 0.68 0.65 0.62 0.60 0.59 0.58
90 2.71 0.86 0.79 0.75 0.72 0.69 0.67 0.66 0.65
95 2.87 0.95 0.87 0.83 0.80 0.76 0.74 0.73 0.71
100 3.02 1.04 0.96 0.91 0.88 0.84 0.82 0.80 0.78
105 3.17 1.14 1.05 1.00 0.96 0.92 0.89 0.88 0.86
110 3.32 1.24 1.15 1.09 1.05 1.00 0.97 0.95 0.94
115 3.47 1.35 1.24 1.18 1.14 1.09 1.06 1.04 1.02
120 3.62 1.46 1.35 1.28 1.23 1.18 1.14 1.12 1.10
125 3.77 1.57 1.45 1.38 1.33 1.27 1.23 1.21 1.18
130 3.92 1.69 1.56 1.48 1.43 1.36 1.33 1.30 1.27
135 4.07 1.81 1.67 1.59 1.53 1.46 1.42 1.39 1.37
140 4.22 1.94 1.79 1.70 1.64 1.57 1.52 1.49 1.46
145 4.37 2.07 1.91 1.81 1.75 1.67 1.62 1.59 1.56
150 4.52 2.20 2.03 1.93 1.86 1.78 1.73 1.69 1.66
155 4.68 2.34 2.16 2.05 1.98 1.89 1.84 1.80 1.76
160 4.83 2.48 2.29 2.18 2.10 2.00 1.95 1.91 1.87
165 4.98 2.63 2.42 2.30 2.22 2.12 2.06 2.02 1.98
170 5.13 2.78 2.56 2.43 2.35 2.24 2.18 2.14 2.09
175 5.28 2.93 2.70 2.57 2.48 2.37 2.30 2.25 2.21
180 5.43 3.09 2.85 2.71 2.61 2.49 2.42 2.37 2.33
185 5.58 3.25 3.00 2.85 2.75 2.62 2.55 2.50 2.45
190 5.73 3.41 3.15 2.99 2.89 2.75 2.68 2.62 2.57
195 5.88 3.58 3.30 3.14 3.03 2.89 2.81 2.75 2.70
200 6.03 3.75 3.46 3.29 3.17 3.03 2.94 2.88 2.83
210 6.33 4.10 3.79 3.60 3.47 3.31 3.22 3.16 3.09
220 6.64 4.47 4.13 3.92 3.78 3.61 3.51 3.44 3.37
230 6.94 4.86 4.48 4.26 4.11 3.92 3.81 3.74 3.66
240 7.24 5.25 4.85 4.61 4.45 4.24 4.12 4.04 3.96
250 7.54 5.67 5.23 4.97 4.79 4.58 4.45 4.36 4.27
260 7.84 6.09 5.62 5.34 5.16 4.92 4.78 4.69 4.59
270 8.14 6.53 6.03 5.73 5.53 5.28 5.13 5.03 4.92
280 8.45 6.99 6.45 6.13 5.91 5.64 5.48 5.38 5.27
290 8.75 7.46 6.88 6.54 6.31 6.02 5.85 5.74 5.62
300 9.05 7.94 7.33 6.96 6.72 6.41 6.23 6.11 5.98
320 9.65 8.95 8.26 7.84 7.57 7.23 7.02 6.88 6.74
340 10.26 10.01 9.24 8.78 8.47 8.08 7.85 7.70 7.54
360 10.86 11.12 10.27 9.75 9.41 8.98 8.73 8.56 8.39
380 11.46 12.29 11.35 10.78 10.40 9.93 9.65 9.46 9.27
400 12.07 13.52 12.48 11.85 11.44 10.92 10.61 10.40 10.19
425 12.82 15.12 13.96 13.26 12.80 12.21 11.86 11.63 11.40
450 13.57 16.81 15.52 14.74 14.22 13.58 13.19 12.93 12.67
475 14.33 18.58 17.15 16.29 15.72 15.00 14.58 14.29 14.00
500 15.08 20.43 18.85 17.91 17.28 16.50 16.03 15.71 15.40
Pressure Loss Per 100 Feet 4" HDPE - SDR11 (30% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
50 1.51 0.36 0.33 0.31 0.30 0.29 0.28 0.28 0.27
55 1.66 0.43 0.39 0.37 0.36 0.34 0.33 0.33 0.32
60 1.81 0.50 0.46 0.44 0.42 0.40 0.39 0.39 0.38
65 1.96 0.58 0.54 0.51 0.49 0.47 0.46 0.45 0.44
70 2.11 0.67 0.62 0.58 0.56 0.54 0.52 0.51 0.50
75 2.26 0.76 0.70 0.66 0.64 0.61 0.59 0.58 0.57
80 2.41 0.85 0.79 0.75 0.72 0.69 0.67 0.66 0.64
85 2.56 0.95 0.88 0.84 0.81 0.77 0.75 0.73 0.72
90 2.71 1.06 0.98 0.93 0.90 0.86 0.83 0.82 0.80
95 2.87 1.17 1.08 1.03 0.99 0.95 0.92 0.90 0.88
100 3.02 1.29 1.19 1.13 1.09 1.04 1.01 0.99 0.97
105 3.17 1.41 1.30 1.24 1.19 1.14 1.11 1.09 1.06
110 3.32 1.54 1.42 1.35 1.30 1.24 1.21 1.18 1.16
115 3.47 1.67 1.54 1.46 1.41 1.35 1.31 1.28 1.26
120 3.62 1.81 1.67 1.58 1.53 1.46 1.42 1.39 1.36
125 3.77 1.95 1.80 1.71 1.65 1.57 1.53 1.50 1.47
130 3.92 2.10 1.93 1.84 1.77 1.69 1.64 1.61 1.58
135 4.07 2.25 2.07 1.97 1.90 1.81 1.76 1.73 1.69
140 4.22 2.40 2.22 2.11 2.03 1.94 1.89 1.85 1.81
145 4.37 2.56 2.37 2.25 2.17 2.07 2.01 1.97 1.93
150 4.52 2.73 2.52 2.39 2.31 2.21 2.14 2.10 2.06
155 4.68 2.90 2.68 2.54 2.46 2.34 2.28 2.23 2.19
160 4.83 3.08 2.84 2.70 2.60 2.49 2.41 2.37 2.32
165 4.98 3.26 3.01 2.86 2.76 2.63 2.56 2.51 2.46
170 5.13 3.44 3.18 3.02 2.91 2.78 2.70 2.65 2.59
175 5.28 3.63 3.35 3.18 3.07 2.93 2.85 2.79 2.74
180 5.43 3.83 3.53 3.36 3.24 3.09 3.00 2.94 2.88
185 5.58 4.03 3.72 3.53 3.41 3.25 3.16 3.10 3.03
190 5.73 4.23 3.90 3.71 3.58 3.42 3.32 3.25 3.19
195 5.88 4.44 4.10 3.89 3.75 3.58 3.48 3.41 3.34
200 6.03 4.65 4.29 4.08 3.93 3.76 3.65 3.58 3.51
210 6.33 5.09 4.70 4.46 4.31 4.11 3.99 3.91 3.84
220 6.64 5.55 5.12 4.86 4.69 4.48 4.35 4.27 4.18
230 6.94 6.02 5.56 5.28 5.10 4.86 4.72 4.63 4.54
240 7.24 6.51 6.01 5.71 5.51 5.26 5.11 5.01 4.91
250 7.54 7.03 6.49 6.16 5.94 5.67 5.51 5.40 5.30
260 7.84 7.55 6.97 6.62 6.39 6.10 5.93 5.81 5.69
270 8.14 8.10 7.48 7.10 6.85 6.54 6.36 6.23 6.11
280 8.45 8.66 8.00 7.60 7.33 7.00 6.80 6.67 6.53
290 8.75 9.25 8.53 8.11 7.82 7.47 7.25 7.11 6.97
300 9.05 9.84 9.09 8.63 8.33 7.95 7.72 7.57 7.42
320 9.65 11.09 10.24 9.73 9.39 8.96 8.70 8.53 8.36
340 10.26 12.41 11.45 10.88 10.50 10.02 9.74 9.55 9.35
360 10.86 13.79 12.73 12.10 11.67 11.14 10.82 10.61 10.40
380 11.46 15.24 14.07 13.37 12.90 12.31 11.96 11.73 11.49
400 12.07 16.76 15.47 14.70 14.18 13.54 13.15 12.89 12.64
425 12.82 18.75 17.31 16.44 15.87 15.15 14.71 14.42 14.14
450 13.57 20.84 19.24 18.28 17.64 16.83 16.35 16.03 15.71
475 14.33 23.04 21.26 20.20 19.49 18.61 18.07 17.72 17.36
500 15.08 25.33 23.38 22.21 21.43 20.46 19.87 19.48 19.09
Pressure Loss Tables
47
Pressure Loss Per 100 Feet 4" HDPE - SDR11 (40% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
50 1.51 0.38 0.35 0.34 0.32 0.31 0.30 0.30 0.29
55 1.66 0.46 0.42 0.40 0.39 0.37 0.36 0.35 0.35
60 1.81 0.54 0.50 0.47 0.45 0.43 0.42 0.41 0.41
65 1.96 0.62 0.58 0.55 0.53 0.50 0.49 0.48 0.47
70 2.11 0.72 0.66 0.63 0.61 0.58 0.56 0.55 0.54
75 2.26 0.81 0.75 0.71 0.69 0.66 0.64 0.62 0.61
80 2.41 0.92 0.85 0.80 0.77 0.74 0.72 0.70 0.69
85 2.56 1.02 0.95 0.90 0.87 0.83 0.80 0.79 0.77
90 2.71 1.14 1.05 1.00 0.96 0.92 0.89 0.88 0.86
95 2.87 1.26 1.16 1.10 1.06 1.02 0.99 0.97 0.95
100 3.02 1.38 1.28 1.21 1.17 1.12 1.09 1.06 1.04
105 3.17 1.51 1.40 1.33 1.28 1.22 1.19 1.16 1.14
110 3.32 1.65 1.52 1.45 1.40 1.33 1.29 1.27 1.24
115 3.47 1.79 1.65 1.57 1.52 1.45 1.41 1.38 1.35
120 3.62 1.94 1.79 1.70 1.64 1.57 1.52 1.49 1.46
125 3.77 2.09 1.93 1.83 1.77 1.69 1.64 1.61 1.58
130 3.92 2.25 2.07 1.97 1.90 1.82 1.76 1.73 1.69
135 4.07 2.41 2.22 2.11 2.04 1.95 1.89 1.85 1.82
140 4.22 2.58 2.38 2.26 2.18 2.08 2.02 1.98 1.94
145 4.37 2.75 2.54 2.41 2.33 2.22 2.16 2.12 2.07
150 4.52 2.93 2.70 2.57 2.48 2.37 2.30 2.25 2.21
155 4.68 3.11 2.87 2.73 2.63 2.51 2.44 2.39 2.35
160 4.83 3.30 3.05 2.89 2.79 2.67 2.59 2.54 2.49
165 4.98 3.49 3.22 3.06 2.96 2.82 2.74 2.69 2.63
170 5.13 3.69 3.41 3.24 3.12 2.98 2.90 2.84 2.78
175 5.28 3.90 3.60 3.42 3.30 3.15 3.06 3.00 2.94
180 5.43 4.10 3.79 3.60 3.47 3.31 3.22 3.16 3.09
185 5.58 4.32 3.99 3.79 3.65 3.49 3.39 3.32 3.25
190 5.73 4.54 4.19 3.98 3.84 3.66 3.56 3.49 3.42
195 5.88 4.76 4.39 4.17 4.03 3.84 3.73 3.66 3.59
200 6.03 4.99 4.60 4.37 4.22 4.03 3.91 3.84 3.76
210 6.33 5.46 5.04 4.79 4.62 4.41 4.28 4.20 4.11
220 6.64 5.95 5.49 5.22 5.03 4.80 4.67 4.58 4.48
230 6.94 6.46 5.96 5.66 5.46 5.22 5.07 4.97 4.87
240 7.24 6.99 6.45 6.13 5.91 5.64 5.48 5.38 5.27
250 7.54 7.54 6.96 6.61 6.38 6.09 5.91 5.80 5.68
260 7.84 8.10 7.48 7.11 6.86 6.54 6.36 6.23 6.11
270 8.14 8.69 8.02 7.62 7.35 7.02 6.82 6.68 6.55
280 8.45 9.29 8.58 8.15 7.86 7.51 7.29 7.15 7.01
290 8.75 9.92 9.15 8.70 8.39 8.01 7.78 7.63 7.48
300 9.05 10.56 9.75 9.26 8.93 8.53 8.28 8.12 7.96
320 9.65 11.90 10.98 10.43 10.07 9.61 9.34 9.15 8.97
340 10.26 13.31 12.29 11.67 11.26 10.75 10.44 10.24 10.03
360 10.86 14.79 13.66 12.97 12.52 11.95 11.61 11.38 11.15
380 11.46 16.35 15.09 14.34 13.84 13.21 12.83 12.58 12.33
400 12.07 17.98 16.60 15.77 15.21 14.52 14.11 13.83 13.55
425 12.82 20.11 18.56 17.64 17.02 16.24 15.78 15.47 15.16
450 13.57 22.36 20.64 19.60 18.92 18.06 17.54 17.20 16.85
475 14.33 24.71 22.81 21.67 20.91 19.96 19.39 19.01 18.63
500 15.08 27.17 25.08 23.82 22.99 21.94 21.32 20.90 20.48
Pressure Loss Per 100 Feet 4" HDPE - SDR11 (50% Glycol)
Head (Feet of Water) Per 100 Feet of Tubing
gpmVelocity (ft/s)
40°F 4°C
60°F 16°C
80°F 27°C
100°F 38°C
120°F 49°C
140°F 60°C
160°F 71°C
180°F 82°C
50 1.51 0.40 0.37 0.35 0.34 0.33 0.32 0.31 0.30
55 1.66 0.48 0.44 0.42 0.41 0.39 0.38 0.37 0.36
60 1.81 0.57 0.52 0.50 0.48 0.46 0.44 0.44 0.43
65 1.96 0.66 0.61 0.58 0.56 0.53 0.51 0.50 0.49
70 2.11 0.75 0.69 0.66 0.64 0.61 0.59 0.58 0.57
75 2.26 0.86 0.79 0.75 0.72 0.69 0.67 0.66 0.64
80 2.41 0.96 0.89 0.85 0.82 0.78 0.76 0.74 0.73
85 2.56 1.08 1.00 0.95 0.91 0.87 0.85 0.83 0.81
90 2.71 1.20 1.11 1.05 1.01 0.97 0.94 0.92 0.90
95 2.87 1.32 1.22 1.16 1.12 1.07 1.04 1.02 1.00
100 3.02 1.46 1.34 1.28 1.23 1.18 1.14 1.12 1.10
105 3.17 1.59 1.47 1.40 1.35 1.29 1.25 1.23 1.20
110 3.32 1.74 1.60 1.52 1.47 1.40 1.36 1.34 1.31
115 3.47 1.89 1.74 1.65 1.60 1.52 1.48 1.45 1.42
120 3.62 2.04 1.88 1.79 1.73 1.65 1.60 1.57 1.54
125 3.77 2.20 2.03 1.93 1.86 1.78 1.73 1.69 1.66
130 3.92 2.37 2.18 2.07 2.00 1.91 1.86 1.82 1.78
135 4.07 2.54 2.34 2.22 2.15 2.05 1.99 1.95 1.91
140 4.22 2.71 2.50 2.38 2.30 2.19 2.13 2.09 2.05
145 4.37 2.90 2.67 2.54 2.45 2.34 2.27 2.23 2.18
150 4.52 3.08 2.85 2.70 2.61 2.49 2.42 2.37 2.32
155 4.68 3.28 3.02 2.87 2.77 2.65 2.57 2.52 2.47
160 4.83 3.47 3.21 3.05 2.94 2.81 2.73 2.67 2.62
165 4.98 3.68 3.39 3.22 3.11 2.97 2.89 2.83 2.77
170 5.13 3.89 3.59 3.41 3.29 3.14 3.05 2.99 2.93
175 5.28 4.10 3.79 3.60 3.47 3.31 3.22 3.15 3.09
180 5.43 4.32 3.99 3.79 3.66 3.49 3.39 3.32 3.26
185 5.58 4.54 4.19 3.99 3.85 3.67 3.57 3.50 3.43
190 5.73 4.77 4.41 4.19 4.04 3.86 3.75 3.67 3.60
195 5.88 5.01 4.62 4.39 4.24 4.05 3.93 3.85 3.78
200 6.03 5.25 4.85 4.60 4.44 4.24 4.12 4.04 3.96
210 6.33 5.75 5.30 5.04 4.86 4.64 4.51 4.42 4.33
220 6.64 6.26 5.78 5.49 5.30 5.06 4.91 4.82 4.72
230 6.94 6.80 6.28 5.96 5.75 5.49 5.33 5.23 5.12
240 7.24 7.36 6.79 6.45 6.22 5.94 5.77 5.66 5.54
250 7.54 7.93 7.32 6.96 6.71 6.41 6.22 6.10 5.98
260 7.84 8.53 7.87 7.48 7.22 6.89 6.69 6.56 6.43
270 8.14 9.15 8.44 8.02 7.74 7.39 7.18 7.04 6.89
280 8.45 9.78 9.03 8.58 8.28 7.90 7.68 7.53 7.37
290 8.75 10.44 9.64 9.15 8.83 8.43 8.19 8.03 7.87
300 9.05 11.11 10.26 9.75 9.40 8.98 8.72 8.55 8.38
320 9.65 12.52 11.56 10.98 10.60 10.12 9.83 9.63 9.44
340 10.26 14.01 12.93 12.29 11.85 11.32 10.99 10.78 10.56
360 10.86 15.57 14.38 13.66 13.18 12.58 12.22 11.98 11.74
380 11.46 17.21 15.89 15.09 14.56 13.90 13.50 13.24 12.97
400 12.07 18.92 17.47 16.60 16.01 15.29 14.85 14.56 14.27
425 12.82 21.17 19.54 18.56 17.91 17.10 16.61 16.29 15.96
450 13.57 23.53 21.72 20.64 19.91 19.01 18.46 18.10 17.74
475 14.33 26.01 24.01 22.81 22.01 21.01 20.41 20.01 19.61
500 15.08 28.60 26.40 25.08 24.20 23.10 22.44 22.00 21.56
Pressure Loss Tables
Pres
sure
Loss
Tabl
es_H
191_
1010
, Cop
yrig
ht ©
201
0 U
pono
r. Pr
inte
d in
the
Uni
ted
Stat
es
Uponor, Inc. 5925 148th Street West Apple Valley, MN 55124 USA Tel: 800.321.4739Fax: 952.891.2008Web: www.uponor-usa.com
Uponor Ltd. 2000 Argentia Rd., Plaza 1, Ste. 200Mississauga, ON L5N 1W1 CANADATel: 888.994.7726Fax: 800.638.9517Web: www.uponor.ca