Valve

Details Valve Valve

1976-10-20

1978-02-14

Geoghegan, Edgar W.

Fluid handling

With heating or cooling of the system

Circulating fluid in heat exchange relationship

13761411, 251175, 251191, 251297, F16L 5300

Patent

active

040733084

ABSTRACT:
A valve comprising a valve body having a bore and a plunger axially movable in the bore between an open and a closed position. The bore has a fixed valve seat therein and is in communication with an inlet port and outlet port on opposite sides of the bore seat. The plunger has a seat cooperable with the bore seat to make a leak-tight, face-to-face seal when the plunger is in its closed position. The plunger also carries a pressure-actuated "seatless" seal which seals against the walls of the bore and the plunger when the plunger is in its closed position and is subjected to system pressure.

REFERENCES:
patent: 763208 (1904-06-01), Robinson
patent: 2114789 (1938-04-01), Urquhart
patent: 2720219 (1955-10-01), Grove et al.
patent: 2839265 (1958-06-01), Hobbs
patent: 3211419 (1965-10-01), Lohr

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