Valve

Details Valve Valve

1979-11-13

1983-02-08

Cohan, Alan

Valves and valve actuation

With means to increase head and seat contact pressure

Fluid pressure

251192, 251315, F16K 2500

Patent

active

043725325

ABSTRACT:
A valve comprising an elastically flexible diaphragm and an annular stopper, the stopper being adapted to control shifting and flexion of the diaphragm under fluid pressure when the valve is closed in such a manner that the stopper abuts against the diaphragm intermediately between a part thereof contacting a valve diaphragm seat and a part thereof connected to a valve closure member.

REFERENCES:
patent: 2663538 (1953-12-01), Bacchi
patent: 2809011 (1957-10-01), Davis
patent: 2941779 (1960-06-01), Saar
patent: 3006600 (1961-10-01), Fawkes
patent: 3075738 (1963-01-01), Englund
patent: 3172192 (1965-03-01), Dresden
patent: 4204662 (1980-05-01), Reynolds

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