Seal for a liquid valve

Details Seal for a liquid valve Seal for a liquid valve

1979-10-17

1981-02-10

Rosenthal, Arnold

Valves and valve actuation

Sequential opening or closing of serial ports in single flow...

251333, F16K 2500

Patent

active

042497175

ABSTRACT:
A valve including a resilient seal which contacts in a sealing relationship an annular valve seat having an offset annular surface area at the valve inlet against which the resilient seal of the valve is compressed by an overlying rigid member to reduce the liquid pressure against the valve seal, thereby easing the effort to close the valve.

REFERENCES:
patent: 2124155 (1938-07-01), Thaete
patent: 3168283 (1965-02-01), Gamble

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