High volume fluid pressure relief valve

Details High volume fluid pressure relief valve High volume fluid pressure relief valve

1975-04-24

1976-08-17

Klinksiek, Henry T.

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

251337, 251313, F16K 1726

Patent

active

039748502

ABSTRACT:
A high volume, fluid pressure relief valve for the top of a vent opening in a fluid storage tank. The valve includes a valve member which is reciprocal to and from a valve seat disposed in alignment with the vent opening. Constant force spring means coact with the valve member for normally retaining the valve member in closed condition, whereby the fluid pressure force required to move the valve member remains substantially constant throughout the travel of the valve member. A large venting capacity is provided in a single compact valve device and the valve is so constructed and arranged that pilferage from the storage tank is prevented. Also the valve may include an arrangement allowing "in-breathing" of the storage tank.

REFERENCES:
patent: 2206425 (1940-07-01), Perman
patent: 2596982 (1952-05-01), Chisholm
patent: 2756106 (1956-07-01), Schenk
patent: 3289686 (1966-12-01), Tyer
patent: 3767160 (1973-10-01), McCollum

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