Pressure relief valve

Details Pressure relief valve Pressure relief valve

1978-06-13

1980-05-06

Weakley, Harold W.

Fluid handling

Line condition change responsive valves

Direct response valves

137530, 251337, F16K 1500

Patent

active

042012422

ABSTRACT:
There is disclosed a pressure relief valve having a part which is movable to a first position for returning the closure member thereof to closed position, and thus resetting the valve, automatically in response to a predetermined low pressure level of fluid within the flowway, and to a second position which permits the closure member to move to open position automatically in response to a pressure level of the fluid to be contained which is less than that at which the valve is set to open.

REFERENCES:
patent: 58962 (1866-10-01), Naylor
patent: 306568 (1884-10-01), Wilder
patent: 2322195 (1943-06-01), Mock
patent: 3675679 (1972-07-01), Schwartz

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