Mobile self-priming, single-stage horizontal jet pump for pumping water in suction and feed mode. Directly flanged AC or three-phase motor, for AC version with built-in thermal motor protection switch and condenser, as well as separate ON/OFF switch. Pump system ready for connection incl. support frame and 2 m connection cable with shock-proof plug, therefore ideally suited for mobile use in gardens and hobby areas. Connection via terminal box for three-phase version. All parts that come into contact with the fluid are corrosion-proof.
Materials
Pump housing : 1.4301
Impeller : 1.4301
Pump shaft : 1.4005 [AISI416]
Mechanical seal : Carbon/ceramic
Stage chambers : 1
Diffuser/Injector : Noryl
Operating data
Fluid to be pumped : Water 100 %
Fluid temperature : 20 °C
Min. fluid temperature : 5 °C
Max. fluid temperature : 35 °C
Maximum operating pressure : 6 bar
Inlet pressure max. : 2 bar
Max. ambient temperature : 40 °C
Motor
Electromagnetic compatibility : EN 61000-6-1, -2, -3, -4
Mains connection : 1~230V/50 Hz
Nominal power P2 : 0,75 kW
Rated speed : 2900 1/min
Rated current : 5,2 A
Protection class : IP 44
Insulation class : B
Fitting dimensions
Pipe connection on the suction side : G 1
Pipe connection on the pressure side : G 1
Information for order placements
Weight approx. : 10,6 kg
Make : Wilo
Type : WJ 203 1~
https://wilo.com/za/en/Products-and-expertise/Series-Finder/Jet-WJ-203-X-(1~230-V)_3.html




