250 mm (10") Borewell Submersible Pumps - CM Series

100 mm

    Pumps are designed to give more discharge
    Extremely hard wearing water – lubricated bearings
    Designed for extensive voltage fluctuations
    Silver brazed rotor
    6” motor and 8” pump combination on request


    DESCRIPTION: C.R.I. 250 mm (10") Borewell Submersible pumpset is made with different materials of construction together with extremely tough hardwearing bushes which make this pumpset highly durable. This pumpset is supplied with stainless steel & LTB-2 impellers to give better performance and longer life. The optimal design of impellers and diffusers offers best possible hydraulic efficiency. This pumpset is powered by a water filled, rewindable submersible motor, which is suitable for continuous duty. The stator is wound with special waterproof synthetic film insulated copper winding wires and made up of low watt loss silicon steel laminations assembled under pressure and rigidly locked in stainless steel stator shell. Specially designed thrust bearings (SS AISI – 420 with Graphite Carbon) are used to withstand axial and down thrust loads with minimum wear and tear. Dynamically balanced rotor gives vibration free and noise free operation, thereby increases efficiency and life cycle of the motor.

    Power range 7.5kW - 93kW (10 HP - 125 HP)
    Speed 2880 RPM
    Version Three Phase, 380- 415 V,  50 Hz, A.C. Supply
    Maximum total head 164 m
    Maximum flow rate   65 lps
    Nominal outlet size in inches 150
    Degree of Protection IP 58
    Direction of rotation Anticlockwise from driving end.
    Type of Duty S1 (Continuous)
    Thrust Load 10000 lbs / 45500 N
    Minimum cooling flow along the motor 0.16 m/sec
    Method of starting S/D 7.5kW – 93kW
    Maximum Outer Diameter in mm 247
    Maximum starts per hour 4 times
    Part Name Material
    Check Valve housing Cost iron (FG 200)
    Check Valve Seat Nitrile butyl rubber / S.G Iron
    Diffuser Chamber Cast Iron (FG 250)
    Impeller SS AISI - 410 (casted) / LTB - 2
    Suction Inter Connector Cost Iron (FG 200)
    Inlet Screen SS AISI - 202
    Pump Shaft SS AISI - 410 / SS AIS - 431
    Cable Guard SS AISI - 202
    Coupling SS AISI - 410 / SS AISI - 431
    Part Name Material
    Diaphragm High Nitrile butyl rubber
    Journal bearings LTB - 4 /Graphite Carbon
    Thrust Assembly SS AISI 420 and Graphite Carbon
    Lower / Upper housing Cast iron (FG 200) / (with outer shell SS AISI 304 - on request)
    Stator shell SS AISI 304
    Shaft EN 9 With SS -410/431 sleeve at bush guide


    Hebron pumps list

    Additional activities

    1. Water diving
    2. Borewell drilling
    3. Water yield testing
    4. Pump fittings


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