Valves and valve actuation – With means to increase head and seat contact pressure – Gate valve
Patent
1990-06-14
1993-03-23
Fox, John C.
Valves and valve actuation
With means to increase head and seat contact pressure
Gate valve
251196, F16K 318
Patent
active
051957221
ABSTRACT:
A fool proof slide gate valve wherein a slide gate valve body houses a gate which is constructed to encompass a wedge and its related components whereby when an external force is transmitted to said wedge, the gate effectively opens flow or closes flow to a medium flowing through a conduit connected to said fool proof slide gate valve, during which time of operation the gate remains sealed at all times preventing exposure of the component parts to the medium flowing through the conduit and other environmental matter and debris.
REFERENCES:
patent: 750128 (1904-01-01), Schneider
patent: 2204142 (1940-06-01), MacClatchie
patent: 2306490 (1942-12-01), Noble
patent: 2601304 (1952-06-01), Lane
patent: 2705610 (1955-04-01), Hjulian
patent: 2906491 (1959-09-01), Young
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