Seal Section

Every seal section contains multiple redundant barrier chambers to enhance reliability. Barrier chambers are available in labyrinth and bag types. Shaft of protector usually uses Monel-k500 material. There are six mechanical face seals on it. Thrust bearing used in seal section has high vearing capacity. Bohai Petroleum Equipments Manufacturing Company can offer different types and series seal section to adpapt individual well conditions.

Critical functions:

• Prevents well fluids from entering the motor;

• Provides a reservoir for motor oil expansion and contraction caused by temperature and pressure changes;

• Equalizes the internal pressure of the motor with the pressure in the well annulus;

• Absorbs the pump shaft thrust on the seal thrust bearing.

• The temperature type have 90°C、120°C、150°Candl 80°C.