All Products >> Agriculture & Residential Pumps >>Openwell Submersible Pumpset CSS / CVS / LTK Series


  • C.R.I. Openwell Submersible Pumpsets are Ideally suitable for Openwells or Tanks where a

    wide fluctuation of water level occur. This work under water and rest at the Bottom of the

    well or Tank. Hence Suction and Priming problem will not arise. The optimal design of

    impellers and diffusers enables the best possible hydraulic efficiency. Motor sealing is made

    by polymers rings, oil seals and sand guard to avoid ingress of well water / sand into the

    motor. Pressure equalizing rubber diaphragm is provided to guard the pressure and volume

    variation of water inside motor. Motor must be filled with clear, cold, drinking water as

    detailed in our operators manual. Three -phase motor requires an adequate motor

    protection control panel.


    • Domestic
    • Irrigation
    • Gardens
    • Rural water supply


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


    • No Suction and Priming Problem
    • Noiseless Operation
    • High Operating efficiency
    • Can be easily dismantled and repaired


    Power Range 0.7 HP to 3 HP (0.37kW – 2.2kW)
    Speed 2880 RPM
    Versions Single phase 200-240 V, 50Hz, AC Supply.
    CSCR, Three-phase 380-450 V, 50Hz, AC Supply.
    Maximum total head Upto 108 metre
    Maximum flow rate 10 lps (36 m3 /hr)
    Nominal outlet size 25, 32, 40, 50 & 65 mm
    Degree of protection IP 58
    Direction of rotation Counterclockwise from driving end (Vertical OWS)
    Clockwise from driving end (Horizontal OWS)
    Type of duty S1(Continuous)
    Method of starting CSCR
    Maximum starts per hour 10

    Material of Construction

    Material of Construction
    Part Name Material
    Outer Shell Mild Steel / S.S
    Diaphragm High Nitrile Rubber
    Lower Housing / Rear Cover Cast Iron
    Shaft SS – 410
    Upper Housing / Bracket Cast Iron
    Shaft Seal Nitrile butyl Rubber
    Thrust Assembly Leaded Bronze & Compostos /
    S.S 420 Vs Graphite Carbon
    Journal Bearings LTB4
    Sand Guard (Rubber Nitrile Rubber
    Locking Strip / The Rod Mild Steel / S.S
    Check Valve Housing Cast Iron
    Check Valve Delrin
    Check Valve Seat Nitrile butyl rubber
    Outer Shell / Casing Cast Iron / S.S 304 / (DIN 1.4509
    Impeller Cast Iron / Noryl / Delrin / S.S 304
    Diffuser Chamber Noryl
    Stop Ring S.S 304 / Hylem
    Intermediate Bearing (Sleeve / Bush) S.S 304 / NBR
    Suction inter Connector Cast Iron
    Pump Shaft S.S 304 / S.S 410
    Coupling S.S 304 / S.S 410


    Maximum liquid temperature 33°C (max.)
    Permissible amount of sand 50 gm/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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