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 an innovative and robust diaphragm made from the high performance material “Butyl+”. It is maintenance-free and does not require replenishment during the warranty period.

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
  on request
• Gasket material
  NBR

Operating data

• Fluid media
  Water
• Min. fluid temperature T_min
  5 °C
• Max. fluid temperature T_max
  35 °C
• Maximum operating pressure p
  10 bar
• Pressure port
  Rp 1
• Max. ambient temperature T_max
  40 °C

Motor data

• Rated current I_N
  6.20 A
• Power factor cos φ
  0.91
• Rated speed n
  2900 rpm
• Mains connection
  1~230 V, 50 Hz
• Shaft power P2(Q=max.) of selected impeller * number of pumps
  1000 W
• Insulation class
  B

Installation dimensions

• Pipe connection on the suction side RPS
  Rp 1
• Pipe connection on the pressure side RPD
  Rp 1

Information for order placements

• Net weight, approx. m
  17 kg
• Brand
  Wilo
• Product description
  Jet HWJ 20 L 204 (1~230 V)
• Article number
  2549381