Ebara Pumps 4BHS

4BHS
Borehole
4” SUBMERSED CENTRIFUGAL ELETRICAL PUMPS
in AISI 304

APPLICATION
• Domestic, agricultural and industrial water supply systems
• Pressure boosting, fire-fighting plants
• Irrigation
• Washing
• Moving clear water in general

TECHNICAL DETAILS
• Reliable and strong
• Corrosion-proof
• Exceptional efficiency due to the smooth surfaces of the impellers and nozzles

PUMP TECHNICAL DATA
• 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.


MOTOR TECHNICAL DATA
• 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

MATERIALS
• 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