Centrifugal pump system with horizontal suction and vertical pressure port, consisting of:
Self-priming, single-stage jet pump with continuous motor pump shaft and direction of bidirectional mechanical seal. Directly flanged AC or three-phase motor with built-in thermal motor protection switch and condenser for AC version.
Pump control by means of control kit with diaphragm pressure vessel, pressure switch and pressure gauge (0 – 6 bar).
The pressure tank is equipped with a robust replaceable membrane made from the high performance material EPDM.
All parts that come into contact with the fluid are corrosion-proof.
Pump system ready for connection, pre-assembled and wired with 2 m cable and mains plug. Ideally suited for use in garden and hobby areas. Connection via terminal box for three-phase version.
Materials
Pump housing: 1.4301
Impeller: 1.4301
Shaft: 1.4305
Shaft seal: CVPFF
Gasket material: NBR
Operating Data
Fluid media: Water 100 %
Fluid temperature: 20.00 °C
Fluid concentration: 100.00 %
Requested flow:
Requested head:
Min. fluid temperature: 5 °C
Max. fluid temperature: 35 °C
Gross volume of the diaphragm expansion tank: 50 l
Maximum operating pressure: 6 bar
Discharge port: Rp 1, PN 6/10
Max. ambient temperature: 40 °C
Motor data
Electromagnetic compatibility: EN 61000-6-1, -2, -3, -4
Rated current: 4.9 A
Power factor: 0.98
Rated speed: 2,900 1/min
Mains connection: 1~230V/50 Hz
Insulation class: B
Rated power: 0.75 kW
Installation dimensions
Pipe connection on the suction side: Rp 1, PN 6
Pipe connection on the discharge side: Rp 1, PN 6/10
Ordering information
Net weight, approx.: 17.4 kg
Brand: Wilo
Product description: HWJ-203-EM-50/2-2
Article number: 4265554









