4BHSBore well pumps in stainless steel 304

4BHS
4’’ Borehole centrifugal pump

  • Domestic, agricultural and industrial water supply systems
  • Pressure boosting, fire-fighting plants
  • Irrigation
  • Washing
  • Moving clear water in general
  • Reliable and strong
  • Corrosion-proof
  • Exceptional efficiency due to the smooth surfaces of the impellers and nozzles
  • Maximum immersion:
    – 350 m (with motor in water bath)
    – 150 m (with motor in bath of liquid refrigerant),
  • Maximum temperature of the liquid:30°C
  • Maximum presence of sand: 50 ppm
  • Maximum presence of Chlorine: 500ppm
  • Discharge connection :
    – G1frac14; (4BHS 2), G1½ (4BHS 4), G2 (4BHS 7-4BHS 15)
  • The pumps can be supplied as follows:
    – 4BHS pump plus OY motor in bath of liquid refrigerant
    – 4BHS pump plus WY motor in waterbath
    The pump and the motor are supplied separately.
  • 2 poles motor in bath of liquid refrigerant (OY), or in water bath (WY)
  • Max start-ups per hour: : 30 (OY) – 20 (WY)
  • Quick coupling for power supply cable
  • Insulation class F (OY) – B (WY)
  • Protection degree IP58 (OY) – IP68 (WY)
  • Single-phase voltage 230V (±10%) 50Hz (OYM),
    three-phase voltage 380-415V (±10%) 50Hz (OY)
  • Single-phase voltage 230V (-10%+6%) 50Hz (WYM),
    three-phase voltage 380-415V (-10%+6%) 50Hz (WY)
  • For cables dimensioning please see our Data Book
  • Motor discharge and motor bracket in moulded stainless steel
  • Bracket, inlets, joint, impeller, diffuser, valve, stages, tie-rod and isolating cover in EN 1.4301 (AISI 304)
  • Wear rings in EPDM/ EN 1.4301 (AISI 304)
  • Shaft in EN 1.4401 (AISI 316)
  • Radial bearings, axial bearings and friction ring in tungsten carbide

EBARA is a trusted brand worldwide with its experience and superior technologies.