Closure gate

Details Closure gate Closure gate

1996-12-19

1998-08-25

Fox, John

Valves and valve actuation

With means to increase head and seat contact pressure

Fluid pressure

251326, F16K 300

Patent

active

057975884

ABSTRACT:
A gate to block fluid flow in a large conduit with the packing provided by fire hose or other tube extending though a U-shaped channel along the interface of the gate and the conduit surface. The tube can be a plain tube retained in the channel by retaining members attached to sides of the channel.

REFERENCES:
patent: 2970803 (1961-02-01), Harza
patent: 3547152 (1970-12-01), Hess
patent: 3692056 (1972-09-01), Kirkwood

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