SUBMERSIBLE PUMPS

Submersible Pumps	Single Or multi stage centrifugal pumps forming unit in conjunction with submersible motors. The unit is suspended vertically from the discharge rising pipe with only the rising pipes and cable coming  out of the well.	TOP
Construction	Multi-Stage Centrifugal pumps fitted with radial flow impellers. The former are used for low capacities and high total heads. The latter are used for medium capacities and medium total heads. 'KK' submersible pumps of 'BM' series are fitted with radial flow impellers and 'CM', 'DM', 'EM' and 'VM' series are fitted with mixed flow impellers. The impellers are dynamically balanced and all the pump bearings are water lubricated and protected against ingress of sand  and other suspend particles. Spring loaded quick acting type non-return valve in the discharge outlet connection, is stream-lined for smooth flow and normally supplied with screwed connections. The pump section casing is guarded by a perforated strainer to prevent entry of any suspended mateials in the water.	TOP
Submersible Motors	Wet type squirrel change induction motors completely filled with pure clean water. The water filling servers to lubricate the bearings and to cool the waterproof insulated windings. All motors are sealed effectively against contamination from outside water.  The axial thrust generated by the pump is absorbed by a thrust bearing. A breather diaphragm beneath the thrust bearing compensates for the pressure which arises from thermal expansion. The cable are led out of the motor through cable sealing glands and protected against mechanical damage by cable guards  along the length of pump.	TOP
Electric Details	KK Submersible motors can be supplied suitable for direct-on-line starting , star-delta starting of auto-transformer starting. Motors are normally wound suitable for 400/440 V, 3 ph, 50 c/s.A.C. supply. Motors can be wound for low voltages, Against specific requirements	TOP

The KK Submersible Pumpsets carry ISI certification mark, as per IS 8034. The material of construction and performance of these pumpsets conform to IS:8034. Any other material of construction can be supplied against specific requests. The KK Submersible motors conform to IS:9283 AISI-410 stainless steel is equivalent to 12% chromium steel, Grade 07-Cr 13 conforming to IS 1570( Part V) FIELDS OF APPLICATION 1.Irrgation. 2.Drinking water supply     installation for cities and rural districts 3.Fullyautomatic domestic water supply installation. 4.Pressure boosting installations. 5.Service water supply installation for industry & commerce. 6.Cooling water circulating systems. 7.Air conditioning installations.  8.Ornamental fountain pumps, etc. 9.Sea-water supply in Aquaculture farming & Salt production ADVANTAGES OF 'KK' SUBMERSIBLE PUMPS 1. Requires small space. 2. No need for elaborate foundation and pump-house arrangements. 3. Silent motor. 4. Economy in operation owing to high overall efficiency sites, narrow boreholes or confined conditions. 5. Easy installation and removal, especially in deep boreholes.  6. Suitable for sites where a pump-house is not desired or can not built. 7. Pumping system can be made fully automatically. 8. Complete freedom from maintenance (water lubricated motor & pump, glandless pump shaft). 9. No suction problems ( Installation beneath water surface).

Materials Of Construction

PUMP

Pump Bowl, suction casing discharge casing and non-return valve	:	Close Grained cast iron , IS 210 Grade F.G 200
Impeller	:	Bronze, IS 318 Grade 2
Pump Shaft	:	Stainless steel, AISI-410
Casing Wearing ring	:	Bronze, IS 318, Grade 3 0r 4
Pump Bowl Bearing	:	Bronze, IS 318, Grade 3 0r 4 or Nitrile

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MOTOR                        

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