Valve sealing device and a valve

Details Valve sealing device and a valve Valve sealing device and a valve

1978-04-24

1981-05-26

Cline, William R.

Valves and valve actuation

Rotary valves

Ball valve

251368, F16K 506

Patent

active

042693918

ABSTRACT:
A valve sealing device is proposed consisting of two parts, one of which contacts the body of the valve and is made of an expanded graphite compact or an expanded graphite--inorganic binder composite compact, and the other of which contacts the valve member and is made of a carbonaceous material--metallic material composite, a carbonaceous material impregnated with an inorganic binder, or a metallic material; a valve using such a sealing device is also proposed.

REFERENCES:
patent: 3563265 (1971-02-01), Graham
patent: 3592440 (1971-07-01), McFarland
patent: 3907514 (1975-09-01), Demendi
patent: 4004776 (1977-01-01), Stender
patent: 4006881 (1977-02-01), Gaillard

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