Pressure relief valve

Details Pressure relief valve Pressure relief valve

1980-04-08

1981-05-19

Weakley, Harold W.

Fluid handling

Line condition change responsive valves

Direct response valves

137327, 137467, 137538, 220203, 220206, F16K 1500

Patent

active

042678587

ABSTRACT:
A pressure relief mechanism seated within a wall of a pressure vessel features a novel flexible seal. The vessel pressure acts against both a spring and an internal valve pressure created by the flexible seal. The pressure relief mechanism can be designed to release over a wide range of critical vessel pressures due to the combination of the resistive spring force and the resistive internal pressure.

REFERENCES:
patent: 2644480 (1953-07-01), Earle
patent: 2653729 (1953-09-01), Richter
patent: 3263698 (1966-08-01), Siggelin
patent: 3578006 (1971-05-01), Betz
patent: 4015627 (1977-04-01), Bower

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