All Products >> Agriculture & Residential Pumps >>100 Mm (4″) Borewell Submersible Pumpsets – L Series
  • C.R.I. 100 mm (4″) Borewell Submersible pumpsets is firmly coupled to a submersible

    electric motor which operates submerged beneath the surface of water. Built-in check valve

    prevents back flow and reduces the risk of water hammering. All mounting dimension of

    100mm (4″) pumpsets and motors upto 2HP are in accordance with NEMA standard.

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    • Domestic and municipal water supply
    • Rural water supply
    • Irrigation
    • Sprinkler system
    • Pressure boosting units and Fire fighting system
    • Industrial and mining application
    • Fountains
    • Ponds and Gardens

    PUMPED LIQUIDS

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

    Description

    C.R.I. 100 mm (4″) Borewell Submersible pumpsets is firmly coupled to a submersible

    electric motor which operates submerged beneath the surface of water. Built-in check valve

    prevents back flow and reduces the risk of water hammering. All mounting dimension of

    100mm (4″) pumpsets and motors upto 2HP are in accordance with NEMA standard.

  •  

    • Motor portion covered with corrosive resistance Stainless Steel (SS 304) shell
    • Floating impeller design prevents blockage
    • More longevity and hygiene
    • High operating efficiency
    • Specially designed thrust bearing to withstand high axial thrust load
    • Angular contact bearing to withstand axial thrust load
    • NEMA mounting standard upto 2.0 HP
    • Extremely hardwearing water lubricated bearing
    • Easy to dismantle & repair
    • Fitted with imported thermal overload protector in single phase motor
    • Stainless Steel pumpsets are available

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    SPECIFICATIONS
    Power range 0.37kW – 1.5 kW (0.5HP – 2HP)
    Speed 2850 RPM
    Version 1Ø 230V 50Hz AC Supply
    Maximum total head 184 metre
    Maximum flow rate 12.6 m /hr
    Maximum outer diameter in mm 97.5 mm
    Nominal outlet size in inches 32 ,40 & 50 mm
    Degree of Protection IP 68
    Direction of Rotation Counter Clockwise from driving end.
    Thrust Load 0.37kW-1.1kW – 650 lbs; 1.5kW – 4.0kW – 900lbs; 5.5kW-7.5kW – 1500 lbs
    Minimum cooling flow along the motor 0.15 m/Sec
    Type of duty S1 (Continuous)
    Method of starting Capacitor Start and Capacitor Run (CSCR)
    Maximum starts per hour 20 times.
    Mounting standard As per NEMA

     

     Characteristics of Clear Cold Water

    Maximum liquid temperature 33°C max
    Permissible amount of sand 25 g/m³
    Allowable solids 3000 ppm (max.)
    Chloride 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 106 m²/sec (max.)
    pH Value 6.5 to 8.5

    Materials of Construction 

     Material of Construction of Pump
    Part Name Material
    Check Valve housing Cast iron / SS – 304
    Check Valve Delrin
    Check Valve seat Nitrile butyl rubber
    Outer shell SS – 304 / SS (DIN 1.4509)
    Impeller Noryl / Delrin / SS – 304
    Diffuser chamber Noryl / SS – 304
    Stop ring SS – 304 / Hylem
    Intermediate bearing (Sleeve / Bush) SS 304 / NBR
    Suction inter connector Cast iron / SS – 304
    Pump shaft SS – 304 / SS – 410
    Coupling SS – 304 / 410
    Material of Construction of Motor
    Part Name Material
    Outer Shell SS – 304 / Duplex SS (DIN 1.4509
    Diaphragm High Nitrile Rubber
    Lower Housing Cast Iron
    Shaft SS – 410
    Upper Housing Cast Iron
    O-Ring High Nitrile Rubber
    Cable Connector Bush TPE
    Mechanical Seal Sintered Carbon Vs Ceramic
    Sand Guard (Rubber) Nitrile Rubber
    Sand Slinger Teflon

 

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