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Agriculture Pumps

200 mm (8 inch) Borewell Submersible Pumps - CR & CM Series

C.R.I. 200 mm (8”) Borewell Submersible pumpsets are made up with different materials of construction together with extremely tough hardwearing bushes which make these pumpsets highly durable. These pumpsets are 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. These pumpsets are powered by water filled,rewindable submersible motor which is suitable for continuous duty.

Features Specifications (MOC) Pump (MOC) Motor
  • 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
  • Dynamically balanced rotating parts
SPECIFICATIONS
Power range 5.5kW – 93kW (7.5 HP – 125 HP)
Speed 2880 RPM
Version Three Phase, 380/415 V,   50 Hz, A.C. Supply
Maximum total head 292 m
Maximum flow rate   45 lps
Nominal outlet size in mm 80, 100, 125 & 150
Degree of Rotation Clockwise from driving end.
Direction of Protection IP 58
Type of Duty S1 (Continuous)
Thrust Load 3500 lbs. 5.5kW - 11kW / 6000 lbs. 15kW - 18kW,
10000 lbs. 22kW - 93kW
Minimum cooling flow along the motor 0.16 m/sec
Method of starting S/D 7.5kW - 93kW DOL upto 5.5kW, SD upto 93kW
Maximum Outer Diameter in mm Ø187 upto 40 HP / Ø194.0 – 50 to 125 HP
Maximum starts per hour 4 times

MATERIAL OF CONSTRUCTION OF PUMP
Part Name Material
Check Valve housing Cast iron (FG 200)
Check Valve seat S.G Iron
Diffuser chamber Cast Iron (FG 250)
Impeller SS AISI -  304 / 410 SS AISI - 410  (casted) / LTB 2
Suction Inter Connector Cast iron (FG 200)
Inlet Screen SS AISI - 202
Pump Shaft SS AISI - 410 / SS AISI - 431
Cable Guard SS AISI - 202
Coupling SS AISI - 410 / SS AISI - 431


MATERIAL OF CONSTRUCITON OF MOTOR
Part Name Material
Diaphragm High Nitrile butyl rubber
Journal bushes 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 8 with SS - 410/431 sleeve at bush guide