Sealing system

Details Sealing system Sealing system

1996-10-09

1998-06-30

Gutierrez, Diego F.F.

Seal for a joint or juncture

Seal combined with indicator, sampler, or inspection feature

Fluid pressure

277320, 277637, F16J 1548

Patent

active

057722161

ABSTRACT:
The sealing system seals a moving element in a valve. The sealing system includes an internal seal between the valve body and moving element proximate the lading and an external seal between the valve body and moving element proximate the free end of the moving element. A space for sealant is formed around the moving element between the internal and external seals. A load member is provided for pressurizing the sealant within the space to a pressure greater than the fluid pressure of the lading in the valve body cavity and the ambient pressure around the exterior of the valve. An indicator member is provided for detecting any leakage of the sealant past either the internal or external seals.

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