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150/175mm, 150/200mm, 200/250mm Submersible (Congo SERIes)

CRI’s CONGO Series Borewell Submersible Pumps have been specially designed with water-filled, rewinding motors to ensure continuous and reliable operation. The durable T-Bolt design and stainless steel stator casing provide exceptional strength and longevity. These pumps incorporate waterproof copper windings and efficient silicon steel laminations, resulting in unmatched efficiency and durability. Additionally, they are equipped with a check valve to prevent backflow and protect against water hammering, making them the perfect choice for efficient water management that combines high performance with long-lasting efficiency.

Applications

Key Features

All you need to know about -150/175mm, 150/200mm, 200/250mm Submersible (Congo Series )

Specifications

Power Range 4.5kW – 15kW (6HP – 20HP)
Speed 2900 rpm
Version Three phase 380-415V, 50Hz AC Supply
Maximum total head 101 metres
Maximum flow rate 31 lps (111.6 m³/h)
Maximum Outer Diameter 165 mm
Nominal Outlet Size 100 mm
Degree of Protection IP 58
Degree of Rotation Electrically Reversible
Thrust Load 4.5kW – 15kW – 3500 lbs
Type of duty S1 (Continuous)
Method of starting D.O.L up to 5.4kW, SD up to 15kW
Maximum starts per hour 20 times
Power Range 5.5kW – 18kW (7.5HP – 25HP)
Speed 2900 rpm
Version Three phase 380-415V, 50Hz AC Supply
Maximum total head 88 metres
Maximum flow rate 33.3 lps (120 m³/h)
Maximum Outer Diameter 195 mm
Nominal Outlet Size 100 mm
Degree of Protection IP 58
Degree of Rotation Electrically Reversible
Thrust Load 5.5kW – 11kW – 3500 lbs 15kW – 18.5kW – 6000 lbs
Type of duty S1 (Continuous)
Method of starting SD 5.5kW – 18.5kW
Maximum starts per hour 10 times

Material of Construcation - Pump

Part Name 175 mm Pump
Check valve housing Cast Iron
Check valve seat Nitrile Butyl rubber
Diffuser Chamber Cast Iron
Impeller SS 410
Suction Inter Connector Cast Iron
Inlet Screen SS 202
Pump Shaft SS 410 / SS 431
Cable Guard SS 202
Coupling SS 410
Part Name 200 mm Pump
Check valve housing Cast Iron
Check valve seat SG Iron
Diffuser Chamber Cast Iron
Impeller SS 410
Suction Inter Connector Cast Iron
Inlet Screen SS 202
Pump Shaft SS 410 / SS 431
Cable Guard SS 202
Coupling SS 410 / SS 431

Material of Construcation - Motor

Part Name Materials
Upper & Lower housing Cast Iron
Stator Shell Stainless Steel
Shaft SS 410 & EN 9 with 304
Journal Bearing LTB – 4 & Carbon
Thrust Pad SS 420 and Graphite Carbon
Diaphragm High Nitrile Butyl Rubber

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