200mm/250mm Submersible Pumps - Congo Series

C.R.I. Bore well Submersible pumpsets are powered by water filled, rewindable synthetic 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 motor ensures rigid construction. Optimal design of impellers and diffusers offers best possible hydraulic efficiency. Built-in check valve prevents back flow and reduces the risk of water hammering.

This 175mm & 200mm submersible pumpsets are supplied with 150mm motor combination and for 250mm submersible pumpsets supplied with 200mm motor combination only.

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High operating efficiency
Dynamically balanced rotating parts ensures minimum vibration and longer life
Extremely tough & hard wearing lubricated journal bearings are used
Designed for wide voltage fluctuations
Better efficiency and consistent performance
Motor portion covered with corrosive resistance stainless steel (SS 304) shell
Specially designed high performance thrust bearing(SS 420 with Graphite Carbon) to withstand high axial thrust load
SS 410 impellers and hard chrome SS sleeves are used to increase the life of the pump

SPECIFICATIONS	150mm / 175mm
Power Range	4.5 kW - 15 kW (6HP - 20HP)
Voltage Range	Three phase 380 - 415V, 50Hz AC Supply
Maximum Total Head	101 metre
Maximum Flow Rate	31 lps (111.6 m3/h)

SPECIFICATIONS	150mm / 200mmm
Power Range	5.5 kW - 18.5 kW (7.5HP - 25HP)
Voltage Range	Three phase 380 - 415V, 50Hz AC Supply
Maximum Total Head	88 metre
Maximum Flow Rate	33.33 lps (120 m³/h)

SPECIFICATIONS	200mm / 250mm
Power Range	30 kW - 75 kW (40HP - 100HP)
Voltage Range	Three phase 380 - 415V, 50Hz AC Supply
Maximum Total Head	162 metre
Maximum Flow Rate	60 lps (216 m³/h)

Part Name	175mm Pump
Pump Shaft	SS 410/ SS 431
Impeller	SS 410
Diffuser Chamber	Cast Iron
Upper and Lower Housing	Cast iron
Shaft	SS 410 & EN 9 with 304

Part Name	200mm Pump
Check Valve Seat	SG iron
Impeller	SS 410
Diffuser Chamber	Cast Iron
Upper and Lower Housing	Cast iron
Shaft	EN 8 with SS-410/431 sleeve at bush guide

Part Name	250mm Pump
Check Valve Seat	Nitrile Butyl Rubber / SG iron
Impeller	LTB 2 & SS 410
Diffuser Chamber	Cast Iron
Upper and Lower Housing	Cast iron
Coupling	SS 410/SS 431