Seal Faces Loading Devices

Description of seal faces loading devices

Wide variety of types but they can be categorized as either a spring or a bellows of some kind.

Seal face loading devices impart an axial load to maintain contact when there is no hydraulic pressure from the pumped medium.

At higher pressures the spring force is only a small fraction of the overall face pressure.

At face speeds above 5000 ft/min the spring element is installed stationary because of the centrifugal effects.

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