Fluid handling – Systems – Valves with separate – correlated – actuators
Patent
1974-11-19
1976-10-12
Schwadron, Martin P.
Fluid handling
Systems
Valves with separate, correlated, actuators
137588, 222 4, 251351, F16K 1112, F16K 2400
Patent
active
039851567
ABSTRACT:
The disclosure relates to a gas and liquid flow control valve comprising a valve body having a bore therethrough, said bore having an inlet portion and an enlarged outlet portion separated by an annular shoulder portion, a gas inlet and a liquid inlet fixed to said inlet portion, said gas and liquid inlets being concentrically arranged with respect to each other, a first tubular valve element disposed in said outlet portion and being movable relative thereto between opened and closed positions, manually operated means exteriorly carried by said valve body and said first and second tubular valve elements, said means being selectively movable relative to said tubular valve elements whereby the same may be simultaneously moved between opened and closed oppositions, and said means including a first and second operator means for said first and second tubular valve elements, respectively, whereby one of said tubular valve elements may be operated independently of the other.
REFERENCES:
patent: 2791236 (1957-05-01), Mauer
patent: 3391570 (1968-07-01), Becker et al.
patent: 3430820 (1969-03-01), Winters et al.
patent: 3430821 (1969-03-01), Winters et al.
Bristol Screw Products Corporation
Gerard Richard
Schwadron Martin P.
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