Positive closure system for free floating disc valve

Details Positive closure system for free floating disc valve Positive closure system for free floating disc valve

1976-02-26

1977-04-26

Schwadron, Martin P.

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251 44, F16K 31122

Patent

active

040197123

ABSTRACT:
A free floating disc valve having a positive closure arrangement thereon. A containment vessel enclosing a volume communicable with a pressure chamber is disposed above the valve disc and permits introduction into the pressure chamber of a high pressure fluid entrapped within the containment volume to provide a force to assist the seating of the valve disc.

REFERENCES:
patent: 2032261 (1936-03-01), Grove
patent: 2759488 (1956-08-01), Garrett et al.
patent: 2833299 (1958-05-01), Marriette
patent: 3172420 (1965-03-01), Brown et al.
patent: 3206158 (1965-09-01), Bloomquist
patent: 3820444 (1974-06-01), Ward

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