Valves and valve actuation – Mechanical movement actuator – Particularly packed or sealed
Patent
1990-08-15
1991-09-24
Walton, George L.
Valves and valve actuation
Mechanical movement actuator
Particularly packed or sealed
251312, 277112, 277206R, 277236, 285917, F16K 504, F16K 4100
Patent
active
050508431
ABSTRACT:
A plug valve with metal-to-metal annular sealing rings with a V shaped cross section to provide a resilient force for sealingly engage with respect to a horizontal sealing surface and a nearly vertical rotatable sealing surface and/or with a vertical sealing surface.
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Manifold Systems, Inc.
Walton George L.
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