Flexible Member

FLEXIBLE MEMBERĀ F018

The portion of the seal containing the springs or bellows. The majority of mechanical seals have only one flexible member but there are a few older designs that spring load both the rotating and stationary faces to prevent excessive seal movement.

If the flexible member rotates with the shaft we say it is a rotating seal. If the flexible member does not rotate we say it is a stationary seal. Both types are used in industry.

Stationary seals are usually more reliable.

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  • On February 15, 2018