All Products >> Agriculture & Residential Pumps >>150 mm (6 inch) Borewell Submersible Pump sets – DELMA Series

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    150 mm (6″) Borewell Submersible pump sets are powered by water filled, rewindable

    submersible motor suitable for continuous duty. The stator is wound with special water

    proof 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.

    T-Bolt design in all motors ensures rigid construction. Specially designed high performance

    thrust bearings (SS with Carbon) are used to withstand axial thrust loads.

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    • Domestic
    • Agricultural
    • Irrigation
    • Civil & Industrial water supply
    • Ponds
    • Gardens and mining
    • Fire fighting
    • Pressure boosting

    PUMPED LIQUIDS

    Clean, thin, non-aggressive, non explosive, clear, cold, fresh water without abrasives, solid particles or fiber having the following characteristics.

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    • SS 304 grade stainless steel stage casings and impellers in radial flow series
    • SS 410 impeller / Bronze impeller available in mixed flow series
    • 50 feet head per stage in specific models
    • Dynamically balanced rotating parts ensures minimum vibrations and longer life.
    • Designed for wide voltage fluctuations
    • Better efficiency and consistent performance
    • Fully SS pump sets are available

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    SPECIFICATIONS
    Power range 1.1kW 26 kW (1.5HP 35HP)
    Speed 2900 RPM
    Version 200 – 240V Single Phase, 380 – 415V, Three Phase, 50 Hz, A.C. Supply
    Maximum total head 516 meter
    Maximum flow rate 80 m3/h (22 lps)
    Nominal outlet size 50, 65, 80 & 100 mm.
    Degree of Protection IP 58.
    Maximum outer diameter in mm 143 & 145
    Direction of Rotation Counter Clockwise from driving end – Single phase,
    Electrically Reversible – Three phase
    Thrust Load 1.1kW to 4.5kW, 3500 lbs. 5.5 kW to 26kW, 6000 lbs.
    Minimum cooling flow along the motor 0.15 m/sec
    Type of duty S1 (Continuous)
    Method of starting Single Phase, Capacitor Start and Capacitor run (CSCR), Three Phase, DOL up to 5.5 kW, SD up to 26 kW.
    Maximum starts per hour 20 times

    MATERIAL OF CONSTRUCTION

    MATERIAL OF CONSTRUCTION OF PUMP
    Part Name Material
    Check Valve housing Cast iron / S.S 304
    Check Valve Seat Nitrile Butyls Rubber
    Diffuser Chamber SS 304 & Cast Iron
    Impeller SS 304, LTB 2 & SS 410
    Suction Inter Connector Cast iron, SS 304
    Inlet screen SS 202
    Pump shaft SS 410 / 431
    Cable guard SS 202
    Coupling SS 410
    MATERIAL OF CONSTRUCITON OF MOTOR
    Part Name Material
    Upper and Lower Housing Cast Iron
    Stator Shell SS 304 / SS (DIN 1.4509)
    Shaft SS 410 & EN 9 with 304
    Journal Bushes LTB – 4
    Thrust Assembly SS 420 and Graphite Carbon
    Diaphragm High Nitrile butyl rubber

    CHARACTERISTICS OF CLEAR COLD WATER

    CHARACTERISTICS OF CLEAR COLD WATER
    Maximum liquid temperature 33°C (max.)
    Permissible amount of sand 50g/m³ (max.)
    Allowable solid 3000 ppm (max.)
    Chlorine ion density 500 ppm (max.)
    Turbidity 50-ppm silica scale (max.)
    Hardness (Drinking water) 300 ppm (max.)
    Specific gravity 1.004 (max.)
    Viscosity 1.75 x 10 m2/sec (max.)
    pH Value 6.5 to 8.5

 

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