series description: wilo-star-rs
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Series description: Wilo-Star-RS
Subject to change without prior notice. www.wilo.com 50 Hz EU 2014-04 1 / 3
DesignGlandless circulation pump with threaded connection. Preselectable speedstages for power adjustment
ApplicationHot-water heating systems of all kinds, industrial circulation systems, coldwater systems and air-conditioning systems
Type keyExample: Wilo-Star-RS 25/4
Star-RS Standard pump (screw-end pump)
25/ Nominal connection diameter Rp
4 Nominal delivery head [m] at Q = 0 m3/ h
Special features/product advantagesSuitable for any installation position with horizontal shaft; terminal boxin 3-6-9-12 o'clock position
•
Three preselectable speed stages for load adjustment•Easy and safe installation due to practical wrench attachment point onpump body
•
Simplified electrical installation due to terminal box with removablethreaded cable connection that can be used on both sides; Quickconnection with spring clips
•
Technical dataPermissible temperature range -10°C to +110°C•Mains connection 1~230 V, 50 Hz•Protection class IP 44•Threaded connection Rp ½, Rp 1 or Rp 1¼•Max. operating pressure 10 bar•
Equipment/functionOperating modes
Speed-stage switching•Manual functions
Setting of speed stages (3 speed stages)•Equipment
Wrench attachment point on pump body•Cable lead-in possible on both sides•Quick connection with spring clips•Blocking current-proof motor•
MaterialsPump housing: Grey cast iron•Impeller: Plastic•Shaft: stainless steel•Bearing: Carbon, metal impregnated•
Scope of deliveryPump•Seals•Installation and operating instructions•
OptionsVersion ...RG with housing made of red brass•Version ... -130 with short overall length of -130 mm•
AccessoriesScrewed connections•Adapter fittings•Thermal insulation shells•
Duty chart: Wilo-Star-RS
Subject to change without prior notice. www.wilo.com 50 Hz EU 2014-04 2 / 3
Pump curves
0
1
2
3
4
5
6
7
H[m]
0 1 2 3 4 5 Q[m³/h]
Star-RS 15/6, 25/6, 30/6
Star-RS 25/8, 30/8
Star-RS 15/4, 25/4, 30/4
Star-RS 25/7, 30/7
Star-RS 25/2, 30/2
Wilo-Star-RS
Product list: Wilo-Star-RS
Subject to change without prior notice. www.wilo.com 50 Hz EU 2014-04 3 / 3
Type Max.volume
flow
Max.delivery
head
Thread Threadedpipe union
Ratedpressure
Overalllength
Mainsconnection
Grossweight
Pieces perpallet
Art no.
Qmax / m3/h Hmax / m PN / bar L0 / mm m / kg
Star-RS 15/4 4 4 G 1 Rp ½ 10 1301~230 V, 50
Hz2,2 280 4063802
Star-RS 15/5-130 3 5 G 1 Rp ½ 10 1301~230 V, 50
Hz2,3 4067514
Star-RS 15/6 4 6 G 1 Rp ½ 10 1301~230 V, 50
Hz2,3 280 4063803
Star-RS 25/2 2 2 G 1½ Rp 1 10 1801~230 V, 50
Hz2,5 256 4032952
Star-RS 25/4-130 4 4 G 1½ Rp 1 10 1301~230 V, 50
Hz2,3 280 4033776
Star-RS 25/4-RG 4 4 G 1½ Rp 1 10 1801~230 V, 50
Hz2,7 256 4035758
Star-RS 25/4 4 4 G 1½ Rp 1 10 1801~230 V, 50
Hz2,5 256 4032954
Star-RS 25/5 3 5 G 1½ Rp 1 10 1801~230 V, 50
Hz2,7 4065366
Star-RS 25/6-130 4 6 G 1½ Rp 1 10 1301~230 V, 50
Hz2,5 280 4033782
Star-RS 25/6-RG 4 6 G 1½ Rp 1 10 1801~230 V, 50
Hz2,8 256 4035761
Star-RS 25/6 4 6 G 1½ Rp 1 10 1801~230 V, 50
Hz2,7 256 4032956
Star-RS 25/7 5 7 G 1½ Rp 1 10 1801~230 V, 50
Hz2,9 256 4037310
Star-RS 25/8 6 8 G 1½ Rp 1 10 1801~230 V, 50
Hz3,6 140 4094258
Star-RS 30/2 2 2 G 2 Rp 1¼ 10 1801~230 V, 50
Hz2,7 256 4033760
Star-RS 30/4 4 4 G 2 Rp 1¼ 10 1801~230 V, 50
Hz2,7 256 4033765
Star-RS 30/6 4 6 G 2 Rp 1¼ 10 1801~230 V, 50
Hz2,8 256 4033770
Star-RS 30/7 5 7 G 2 Rp 1¼ 10 1801~230 V, 50
Hz3,0 256 4037311
Star-RS 30/8 6 8 G 2 Rp 1¼ 10 1801~230 V, 50
Hz3,7 140 4094375
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