The Wilo RS range is designed for hot-water heating systems of all kinds, industrial circulation systems, cold water systems, solar systems and air-conditioning systems. This device is constructed with gland-less circulation pump with threaded connection and 3 pre-selectable speed stages for power adjustments.

The pump consists of a hydraulic system, a glandless pump motor with terminal a box. All the rotating parts in the glandless pump are in contact with the fluid, this is also true for the motor rotor. A shaft sealing, which is subject to wear, is not necessary. The fluid lubricates the slide bearings and cools the bearing and the rotor. Motor protection is not necessary. Even the maximum overload current cannot damage the motor. The motor is blocking-current proof.

Hydraulic Data:
Maximum operating pressure PN: 10 bar
Min. fluid temperature: -10 C
Max. fluid temperature: 110 C

Materials:
Pump housing: Grey cast iron
Impeller: PP-GF 40
Bearing: Carbon, metal-impregnated

Motor data:
Mains connection: 1-230V, 50hZ
Max. speed: 2250 /min
Power consumption P1 (Q=max.): 48 W
Protection class motor: IP44

Pipe connection without connection fittings: 11/2”
Port to port length: 180 mm

Performance:
Max. head: 4 mtr
Max. flow: 3.5 m3/h

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