"PA type protectors are designed for torque transmission from electric motor to pump, protection of submersible oil-filled electric motors from liquid penetration into their internal cavity, compensation of oil leakage and thermal changes of its volume during operation of electric motor. PA type protectors are designed to complete submersible electric motors used as a drive for unsupported centrifugal pumps for oil production.
It can be used with pumps having axial shaft supports. Protectors type PA can also be modular version (MPA), and the version designed to complete double-sided motors (2PA.
2MPA), to complete the motor of the installation pumping liquid into the sub-packer space (5PA), to complete telemetry systems when it is necessary to compensate for differential pressure (TPA).
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