Valve apparatus

Details Valve apparatus Valve apparatus

1988-04-25

1989-10-10

Fox, John

Valves and valve actuation

With correlated flow path

Pipe end

251 614, F16K 31126

Patent

active

048726400

ABSTRACT:
The invention is a normally-closed valve apparatus for mounting within a vessel containing a product, such as a fluid, gas, or liquid. The valve apparatus comprises an actuator assembly. It also comprises a valve body assembly having a product passage with continuous walls free of openings. A valve assembly having a valve seat is also provided. The actuator assembly includes at least one draw bar straddling the valve body assembly and a sealing member. The sealing member is movable by the draw bar away from its normal engagement with the valve seat to open the valve and allow passage of the product through the valve apparatus.

REFERENCES:
patent: 2109870 (1938-03-01), Thwaits
patent: 2545192 (1951-03-01), Bugno
patent: 2604292 (1952-07-01), Butcher
patent: 2882008 (1959-04-01), Giauque
patent: 3215398 (1965-11-01), Etris et al.
patent: 3257093 (1966-06-01), De Frees
patent: 3556465 (1971-01-01), Little
patent: 3786962 (1974-01-01), Van Linder

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