Star-RS 25/4 | Wilo

Star-RS 25/4

Technical data
Tender text

Glandless circulation pump for pipe installation with manual 3-stage speed switch.

With blocking-current proof motor. Pump housing made from cast iron (bronze depending on type), impeller made from glass reinforced plastic, stainless steel shaft with metal-impregnated carbon plain bearings. Used as standard in cold-water systems up to -10°C.

Operational safety thanks to drilled-through shaft and filter unit in front of the cartridge

Operating data
Fluid media
Water
Fluid temperature T
-10 °C
Ambient temperature T
-10 °C
Maximum operating pressure PN
10 bar
Motor data
Interference emission
EN 61000-6-3
Interference immunity
EN 61000-6-2
Mains connection
1~230 V, 50 Hz
Power consumption P1 max
48 W
Max. speed nmax
2720 1/min
Rated current IN
0.21 A
Protection class motor
IP44
Threaded cable connection
1 x PG11
Materials
Pump housing
Cast iron
Impeller
PP-GF40
Shaft
Stainless steel
Bearing
Carbon, metal-impregnated
Installation dimensions
Pipe connection on the suction side DNs
G 1½
Pipe connection on the pressure side DNd
G 1½
Port-to-port length L0
180 mm
Information for order placements
Brand
Wilo
Product description
Star-RS 25/4
Net weight, approx. m
2 kg
Article number
4032954
Downloads

Installation and operating instructions

Wilo-Star RS, RSD

Article Number 4185968
Edition 1503
Page format 105.1 x 148.2 mm
Number of pages 136
PDF (5 MB)

Certificate REACH (Documents)

REACH regulation

Edition 2020-08
Page format 209.9 x 297.0 mm
Number of pages 2
PDF (158 KB)