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Bơm Ebara arrow Ebara-4BHS/A

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AISI 304
4" borehole multistage pump entirely made of stainless steel. The smooth surface of the impellers and diffusers offer an improved efficiency, and reliability factor. Applications include clean
water extraction from boreholes, pressure boosting for domestic, farming and industrial applications.
Installation can be horizontal as well as vertical. The 4BHS can be fitted to any NEMA standard motor.
Maximum immersion: 150 m
Maximum liquid temperature: 30°C
Maximum sand content: 50 ppm
· Casing and pump bracket made of stamped stainless steel
• Suction and discharge parts, coupling, impeller, diffuser, diffuser cover, valve, tie-rod and cable guard in AISI 304
· Liner ring in EPDM/AISI 304: replaceable and floating
· Shaft in AISI 316 (pump shaft diameter 13,3 mm made by spline forming)
· Radial bearing, axial thrust bearing and friction ring made of tungsten carbide
· Pumps can be requested in two different versions:
- Pump 4BHS with motor OY in coolant liquid bath (O4BHS)
- Pump 4BHS with motor WY in water bath (W4BHS)
· Both types of motor have the following features:
2 poles motor, water filled (WY version)
or oil filled (OY version)
· Maximum startings/hour: 30
· Insulation class F (OY motor), class B (WY motor)
· Protection degree IP58
· 1~230 V +6-10% (OY motor), 1~230 ± 6% (WY motor) 50Hz, 3~400 V +6-10% (OY motor), 3~400 ± 6% (WY motor) 50Hz
min 0.9 max 18.0
max 296.0 min 9.1

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