Ashish Auto

CRI Borewell Submersible Pump (80 MM)

C.R.I. 80Mm (3") Submersible pumpsets are built with thermoplastic impellers, diffusers and inbuilt check valve. All vital components of these pumpsets are made of corrosion resistant thermoplastic and the shaft is of SS 304/410. Pumpsets are multistage centrifugal type. The optimal design of impellers and diffusers enables the best possible hydraulic efficiency.

The pumpset is firmly coupled to a submersible electric motor which operates submerged beneath the surface of water. Built-in chek valve prevents back flow and reduces the risk of water hammering. All mounting dimension of 100 mm (4") pumpsets and motors upto 2 HP are in accordance with Nema standard.

Applications :

  • Domestic And municipal water supply
  • Rural water Supply
  • Irriagation
  • Sprinkler system
  • Pressure baosting units and fire fighting system
  • Industrial and mining application
  • Fountains
  • Ponds and Gardens

Salient Features :

  • More Longevity & Hygiene
  • High operating efficiency
  • Floating impeller design prevents blockage
  • Easy to dismantle & repair
  • Rigid Construction
  • Highly durable
  • Can handle up thrust load
  • Nema mounting standard upto 2.0 Hp
  • Extremely hardwearing water lubricated bearing.

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

Technical Specifications

Power range 0.37 kW – 1.1 kW (0.5HP-1.5 HP)
Speed 2900 RPM
Version Single phase 200-240V,50 Hz, A.C. Supply
Maximum total head 93 metre
Maximum flow rate 5.4 m3/h
Maximum outer diameter in mm 78
Nominal outlet size in inches 25,32 & 40
Degree of Protection IP 58
Direction of Rotation Clockwise from driving end
Thrust Load 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


Material of Construction of Pump
Part Name Nominal Dia 80mm (3")
Check Valve housing Cast Iron
Check Valve Delrin
Check Valve seat Nitrile butyl rubber
Outer shell SS 304
Impeller Noryl
Diffuser chamber Noryl
Stop ring Hylem
Intermediate bearing (Sleeve / Bush) SS 304 / NBR
Suction inter connector cast iron
Pump shaft SS 304
Coupling SS 410
Material of Construction of Motor
Shaft seal Nitrile butyl rubber
Stator Shell SS 304
Thrust pad Graphite Carbon
Thrust base SS 420
Diaphragm Nitrile butyl rubber
Motor base cost iron
Shaft SS 431

Characteristics of Clear Cold Water

Maximum liquid temperature 33 oC
Permissible amount of sand 80 mm (3") – 25g/m3 (max), 100m (4"_ -25 g/m3
Chloride ion density 500 ppm (max.)
Allowable solids 3000 ppm (max.)
Specific Gravity 1.004 (max.)
Hardness (Drinking water) 300 (max.)
Viscosity 1.75 x 106 m2/sec (max.)
Turbidity 50-ppm silica scale (max.)
PH value 6.5 to 8.5