interlocked metal hose
Post on 10-Feb-2022
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Interlocked Metal Hose
Features• Outstanding flexibility
• High tensile strength
• Resistance to crushing
• Temperature rating 650 degrees Celsius
• Made in accordance with ISO 7369 and ISO 15465
Payment options
Alternatives Contact our Sales Staff
2 | Interlocked metal hoses
Index
• Polygonal exhaust interlocked hose ............................................................................... Page 3
• 3S exhaust interlocked premium hose .......................................................................... Page 4
• Stainless steel lap band exhaust clamp ....................................................................... Page 5
• Industrial interlocked hose ................................................................................................... Page 6
• Flexible interlocked metal diffusion armour ............................................................. Page 7
Interlocked metal hose range
Convoluted Technologies manufactures its own interlocked hose by helically winding a preformed strip of 304 grade stainless steel over a nominal bore forming mandrel and folding together the adjacent edges.
Depending on the preformed shape of the strip, strip thicknesses and mandrel shape we are able to make a range of different products with a similar outside appearance. Therefore it is most important that our sales staff is fully informed about the application where the product is to be used.
Interlocked metal hoses| 3
Polygonal interlocked exhaust hose
Polygonal interlocked exhaust hoseOur Polygonal shape interlocked hose is made out of standard thickness material and is lightly wound, resulting in a lesser seal which is used for open-ended and low pressure applications and applications where flexibility is required.
The polygonal shape of the product prevents it from unwinding when it is cut to length. The bore range is from 1-¼ (32 mm) to 6 inches (150 mm) inside diameter. The maximum temperature rating is 600 Degrees Celsius due to the standard materials used.
Polygonal exhaust hose
Part number Internal External Tolerance Weight Material thickness Bend radius
inches mm mm mm Kg/m mm mm
INTEXH-032 1-1/4” 32 36 0.40 0.66 0.25 132
INTEXH-034 1-3/8” 34 38 0.40 0.71 0.25 136
INTEXH-038 1-1/2” 38 42 0.40 0.80 0.25 145
INTEXH-040 1-37/64” 40 44 0.40 0.83 0.25 150
INTEXH-043 1-5/8” 43 47 0.50 0.88 0.25 157
INTEXH-045 1-3/4” 45 49 0.50 0.93 0.25 165
INTEXH-051 2” 51 55 0.50 1.06 0.25 185
INTEXH-054 2-1/8” 54 58 0.50 1.08 0.25 202
INTEXH-057 2-1/4” 57 61 0.60 1.15 0.25 205
INTEXH-061 2-3/8” 61 65 0.60 1.30 0.25 220
INTEXH-065 2-1/2” 65 69 0.60 1.87 0.25 235
INTEXH-070 2-3/4” 70 74 0.60 2.14 0.35 255
INTEXH-076 3” 76 80 0.80 2.44 0.35 310
INTEXH-080 3-5/32” 80 84 0.80 2.51 0.35 340
INTEXH-090 3-1/2” 90 94 0.80 2.71 0.35 370
INTEXH-092 3-5/8” 92 96 0.80 2.75 0.35 375
INTEXH-101 4” 101 105 1.00 2.93 0.35 420
INTEXH-114 4-1/2” 114 118 1.00 3.20 0.35 425
INTEXH-117 4-9/16” 117 121 1.00 3.28 0.35 427
INTEXH-127 5” 127 131 1.00 3.58 0.35 430
INTEXH-140 5-1/2” 140 144 1.20 3.99 0.35 480
INTEXH-150 6” 150 154 1.20 4.33 0.35 570
We stock from 1/4” to 12” nominol bore convoluted stainless steel flexible metal hose for custom made and large bore exhaust assemblies.
Because of its design, care should be taken about the installation length and the flow direction of the interlocked hose. The length difference between fully compressed and fully extended may be as great as 20%. Interlocked hose performs best at the midpoint between fully compressed and fully extended. Keep this in mind when you need to work out an overall length of the installation. The flow direction of the interlocked hose can be checked by running your finger in the inside of the hose in fully compressed state; the right direction is the smoother surface feeling. See arrow on our illustration.
Applications: exhaust hose, flexible hose assembly armour casing, hose assembly liner, electronic shielding and cable and wire protection.
FLOW DIRECTION
4 | Interlocked metal hoses
3S exhaust interlocked premium hose
3S exhaust hose
Part number Internal External Tolerance Weight Material thickness Bend radius
inches mm mm mm Kg/m mm mm
INT3S-076 3” 76 80.5 0.80 2.40 0.27 340
INT3S-080 3-5/32” 80 84.5 0.80 2.57 0.27 350
INT3S-090 3-1/2” 90 94.5 0.80 3.00 0.27 370
INT3S-101 4” 101 105.5 1.00 3.21 0.27 455
INT3S-114 4-1/2” 114 118.5 1.00 3.57 0.27 480
INT3S-127 5” 127 131.5 1.00 3.74 0.27 520
INT3S-140 5-1/2” 140 144.5 1.20 4.17 0.27 550
INT3S-150 6” 150 154.5 1.20 4.64 0.27 585
We stock from 1/4” to 12” nominal bore convoluted stainless steel flexible metal hose for custom made and large bore exhaust assemblies.
Because of its design, care should be taken about the installation length and the flow direction of the interlocked hose. The length difference between fully compressed and fully extended may be as great as 15%. Interlocked hose performs best at the midpoint between fully compressed and fully extended. Keep this in mind when you need to work out an overall length of the installation. The flow direction of the interlocked hose can be checked by running your finger in the inside of the hose in fully compressed state; the right direction is the smoother surface feeling. See arrow on our illustration.
3S exhaust interlocked premium hose3S exhaust circular shape interlocked hose is made out of standard thickness material but due to the preformed strip shape we create a double wall thickness resulting in a premium exhaust hose with greater pressure seal and temperature rating.
Due to its overlapping construction it has a larger bend radius than the polygonal product.
This product will need a small weld tag to prevent it from unwinding when it is cut to length. The bore range is from 3 (76 mm) to 6 inches (150 mm) inside diameter.
Due to the double layer of material and the round shape, this interlocked hose is suitable for higher exhaust temperatures up to 700 degrees Celsius.
Applications: exhaust at higher temperatures closer to turbo, dry bulk material handling of non-abrasive media and fume and dust collection.
FLOW DIRECTION
Interlocked metal hoses | 5
Stainless steel lap band exhaust clamp
Stainless steel lap band exhaust clamp to connect interlocked hose to tube.Stainless steel lap band exhaust clamps are pre-shaped to connect our interlocked hose range to solid tubing, making a simple and effective way to connect our flexible hose to exhaust system components. With this butt joint design there’s no need to separate pipes or exhaust members before clamping.
Our lap band clamps are available in standard industry tube sizes ranging from 2” (50 mm) through to 6” (150 mm). Our fastening system includes force bars, high tensile bolts, nuts, and a reaction block, which creates the power to stretch the clamp band tightly around slip joints. The reaction block provides a full 360 degree equal distribution of stretching force, preventing pipe distortion while completing a seal around the joined exhaust components.
Part NumberTube Sizes
inches mm
INTCLAMP-050 2” 50
INTCLAMP-057 2-1/4” 57
INTCLAMP-065 2-1/2” 65
INTCLAMP-076 3” 76
INTCLAMP-090 3-1/2” 90
INTCLAMP-101 4” 101
INTCLAMP-114 4-1/2” 114
INTCLAMP-127 5” 127
INTCLAMP-140 5-1/2” 140
INTCLAMP-150 6” 150
6 | Interlocked metal hoses
Industrial interlocked hose
Part number Internal External Tolerance Weight Material thickness Bend radius
inches mm mm mm Kg/m mm mm
INTIND-032 1-1/4” 32 36 0.40 0.99 0.35 160
INTIND-038 1-1/2” 38 42 0.40 1.20 0.35 175
INTIND-043 1-5/8” 43 47 0.50 1.32 0.35 190
INTIND-045 1-3/4” 45 49 0.50 1.39 0.35 200
INTIND-051 2” 51 55 0.50 1.59 0.35 240
INTIND-057 2-1/4” 57 61 0.60 1.72 0.35 250
INTIND-065 2-1/2” 65 69 0.60 2.28 0.35 280
INTIND-070 2-3/4” 70 74 0.60 2.48 0.45 330
INTIND-076 3” 76 80 0.80 2.69 0.45 365
INTIND-080 3-5/32” 80 84 0.80 2.87 0.45 368
INTIND-090 3-1/2” 90 94 0.80 3.32 0.45 370
INTIND-101 4” 101 105 1.00 3.48 0.45 430
INTIND-114 4-1/2” 114 118 1.00 4.10 0.45 455
INTIND-127 5” 127 131 1.00 4.37 0.45 485
INTIND-140 5-1/2” 140 144 1.20 5.10 0.45 555
INTIND-150 6” 150 154 1.20 5.40 0.45 590
Industrial interlocked hoseOur industrial circular interlocked hose is made out of a thicker material which makes it more resistant to abrasion and higher temperatures. The bend radius of this product is larger as the layers are tightly wound to minimise leakage through the seams. There are small indentations on the inside of the hose that prevent it from unwinding when it is cut to length. The bore range is from 1-¼ (32 mm) to 6 inches (150 mm) inside diameter. The maximum temperature rating is 650 degrees Celsius due to the heavier materials used.
Industrial Interlocked Hose
Because of its design, care should be taken about the installation length and the flow direction of the interlocked hose. The length difference between fully compressed and fully extended may be as great as 15%. Interlocked hose performs best at the midpoint between fully compressed and fully extended. Keep this in mind when you need to work out an overall length of the installation. The flow direction of the interlocked hose can be checked by running your finger in the inside of the hose in fully compressed state; the right direction is the smoother surface feeling. See arrow on our illustration.
Applications: exhaust at higher temperatures, dry bulk material handling of abrasive media, fume and dust collection and flexible hose assembly armour casing where a larger bend radius is required or higher temperature protection is needed.
FLOW DIRECTION
Interlocked metal hoses| 7
Flexible interlocked metal diffusion armour
Flexible interlocked metal diffusion armour
Part number Internal External Tolerance Weight Material thickness Bend radius
mm mm mm Kg/m mm mm
INTARM-005 5 7 0.50 0.048 0.16 21
INTARM-016 16 18 0.80 0.156 0.16 43
INTARM-020 20 22 0.80 0.188 0.16 49
INTARM-025 25 27 0.80 0.232 0.16 56
INTARM-028 28 30 0.80 0.286 0.16 70
INTARM-033 33 35 0.80 0.422 0.16 85
Flexible interlocked metal diffusion armour
Because of its design, care should be taken about the installation length of the interlocked diffusion. The length difference between fully compressed and fully extended may be as great as 25%. Interlocked diffusion performs best at the midpoint between fully compressed and fully extended. Keep this in mind when you need to work out an overall length of the installation. Note other diameters can be developed on request.
• Exeeds the electrical conductivity requirements of ISO 8031
• Crush protection properties
• Suitable for jackhammer hoses
• Resistant to high temperatures• No restriction of hose bend radius
• If restriction of the hose bend radius is required use our industrial range
• Full coverage of the outer surface• Extra insulation to retain heat or
cold temperatures• Easy to apply• No tangling up in storage
This highly flexible interlocked metal diffusion armour provides crush protection for hydraulic hoses and electrical cables in most severe applications.
In test conditions the diffusion armour contained the sharp stream of hydraulic oil passing through a 1mm predrilled hole when the pressure was raised to 800 Bar and held for 1 minute with perfect fluid diffusion happening.
Flexible interlocked metal diffusion armour
Part number Internal External Tolerance Weight Material thickness Bend radius
mm mm mm Kg/m mm mm
INTARM-040 40 42 0.80 0.804 0.25 150
INTARM-049 49 51 0.80 0.912 0.25 180
INTARM-051 51 55 0.50 1.06 0.25 185
INTARM-058 58 61 0.80 1.096 0.25 205
INTARM-073 73 77 0.60 2.14 0.35 255
INTARM-083 83 87 0.60 2.95 0.35 300
INTARM-093 93 97 0.60 3.41 0.35 350
Installation: Cut the armour to the required length covering 50% of your crimp ferrules. To assure full flexibility make half of your length fully compressed and the other half relaxed. Trim away all sharp edges, slide it over the hose, finish crimping your hose with the armour away from the end connection, then slide the armour halfway over the crimped ferrel and attach it with medium wall adhesive heat shrink two times the length of your crimp ferrule.
8 | Interlocked metal hoses
Unit 2/163 Prospect Highway, Seven Hills, NSW, 2147Phone: 02 9838 9599 Fax: 02 9838 9611
Email: admin@convolutedtechnologies.com.auwww.convolutedtechnologies.com.au
• Flexible metal hose assemblies made to order
• From 1/4” to 14” internal diameter
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