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36 Sovetskaya str., Balashikha, 143902



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A corrosion-resistant protector is a single-housing protector of enclosed-type without compensator. The protector has two sections: a piston section and a hydraulic lock section, and two end seals. It is designed to protect the submersible oil-filled electric motors from the formation fluid ingress into their cavity, to compensate the oil leakage and thermal changes of its volume during operation.

Technical specifications:          

• oil temperature - up to +428 °F/+220 °C;

• maximum capacity - up to 140 kW;

• shaft speed - up to 4200 rpm;

• diameter of the housing -3.62 in/92 mm;

• installed length -73.62 in/1870 mm;

• axial load on the journal of Waukesha - up to 1500 kgf;

• piston touch-up pressure - 0,05 MPa max.


Piston module 1MPPR92.00.000-01KM

Diagram of advantages of the piston-type seal protector

-tipe seal protection.JPG