Globe valve and method for making same

Details Globe valve and method for making same Globe valve and method for making same

1993-06-28

1994-02-22

Fox, John C.

Valves and valve actuation

With means to increase head and seat contact pressure

Seat pressed to valve

251174, F16K 100

Patent

active

052880540

ABSTRACT:
A valve is presented comprising a valve body defining a chamber, a valve stem extending into said chamber, a disk attached to the valve stem, a discrete annular seat movably disposed in the chamber, a resilient ring disposed in the chamber adjacent the annular seat, and a retainer fixed in the chamber on a side of the seat opposite from the ring, wherein the ring exercises a bias on the seat in a direction toward the disk, urging the seat into engagement with the disk. The invention further contemplates a method for making the valve.

REFERENCES:
patent: 2151442 (1939-03-01), Roberts et al.
patent: 2866477 (1958-12-01), Bredschneider
patent: 3235224 (1966-02-01), Grove
patent: 3327991 (1967-06-01), Wallace
patent: 3583426 (1971-06-01), Feres
patent: 3883112 (1975-05-01), Millville et al.
patent: 3918681 (1975-11-01), Eberhardt
patent: 4258900 (1981-03-01), Kindersley
patent: 4280522 (1981-07-01), Pechnyo et al.
patent: 4457491 (1984-07-01), Dudman
patent: 4818469 (1989-04-01), Supik

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