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What is a shaft seal free centrifugal pump? Moderators: Moderators Jump to page : 1 Now viewing page 1 [25 messages per page]	View previous thread :: View next thread
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hhm1020

Posted 2022-07-24 11:02 PM (#258321)
Subject: What is a shaft seal free centrifugal pump?

Expert Yogi

Posts: 8285
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What is a shaft seal free centrifugal pump?

1? Overview of shaft seal free centrifugal pump

Shaft seal free centrifugal pump is also known as packing free centrifugal pump. It is usually a vertical canned motor or a horizontal canned motor, which is driven by a wet winding motor without a shielding pad.

In this case, the pump and motor share a pressure pump housing, and there is a heat shield between the pump parts and the motor parts. The heat shield can be active or passive. The allowable medium temperature is as high as 420 ?

2? Characteristics of shaft seal free centrifugal pump

The bearing is lubricated by discharging medium. In practice, there is no limit to the system pressure, because the total leakage rate is slightly higher than the mark, so it can be used for dangerous media or valuable media.

3? Special form of shaft seal free centrifugal pump

The special form of shaft seal free centrifugal pump is designed according to the application purpose.

·Special impellers for liquid and gas mixtures or suspended solids

·Sealing system specially used for nuclear reactor technology or sealing system with protective gas gasket

·Heating device specially used for quick condensing fluid, such as hot water circulating pump

·Protective cover with abrasion protection
vacuum unit of cooling cycle process

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