High pressure fluid valve assembly

Details High pressure fluid valve assembly High pressure fluid valve assembly

1995-11-13

1997-07-15

Chambers, A. Michael

Valves and valve actuation

With means for blocking or disabling actuator

Fluid pressure biased latch

251 89, 251144, F16K 3500, F16K 5100

Patent

active

056475730

ABSTRACT:
To resist mechanical forces tending to unseat a fluid valve applied to seal against a high fluid pressure, a fluid valve assembly is equipped with a valve block that, in response to the high fluid pressure, causes a locking member to be forcibly wedged into clamping engagement with the stem of a valve, thereby securing the valve in its closed, seated position. When the high fluid pressure is relieved, the valve stem is unclamped, and the valve can then be readily lifted to an open position.

REFERENCES:
patent: 2737971 (1956-03-01), Shields
patent: 3590886 (1971-07-01), Judd
patent: 3605708 (1971-09-01), Jordan
patent: 3941141 (1976-03-01), Robert

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