High temperature valve and seat therefor

Details High temperature valve and seat therefor High temperature valve and seat therefor

1982-02-01

1984-07-03

Schwadron, Martin P.

Valves and valve actuation

With means to increase head and seat contact pressure

Seat pressed to valve

251306, 277157, F16K 2500

Patent

active

044574908

ABSTRACT:
A valve seat for use in a fluid control valve employing a pivotable valve closure element to open and close the valve, the seat comprising an annular polymeric member provided with a seating surface which sealingly engages the valve element when the valve is in the closed position, the seat further including a multiplicity of circumferential windings of strands of material wrapped around said annular member.

REFERENCES:
patent: 2232039 (1941-02-01), Von Brethorst
patent: 2631577 (1953-03-01), Carter
patent: 3734457 (1973-05-01), Roos
patent: 4130285 (1978-12-01), Whitaker
patent: 4176675 (1979-12-01), Liberman
patent: 4266752 (1981-05-01), Johnson
patent: 4289296 (1981-09-01), Krause
patent: 4293116 (1981-10-01), Hinrichs
patent: 4306706 (1981-12-01), Olansen et al.

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