Valves and valve actuation – Reciprocating valve – Gate
Patent
1980-08-04
1983-03-15
Rosenthal, Arnold
Valves and valve actuation
Reciprocating valve
Gate
251167, 251360, F16K 302
Patent
active
043765262
ABSTRACT:
A seal assembly is disclosed in connection with a valve, preferably a sliding gate valve. The seal assembly includes a retaining ring having a surface contour complementary to that on a resilient, replaceable seal element, in order to positively hold the seal in position during use. The ring also includes a threaded portion that may be received in a threaded section either in the valve body or in a separate valve seat collar secured within the valve body. In one embodiment, the seal includes an annular metallic component having an annular groove, into which a resilient component is secured.
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patent: 3175802 (1965-03-01), Bredtschneider
patent: 3273855 (1966-09-01), Wells
patent: 3307826 (1967-03-01), Lowrey
patent: 3335999 (1967-08-01), Lowrey
patent: 3929316 (1975-12-01), Guthrie
patent: 4116419 (1978-09-01), Diehl et al.
Rosenthal Arnold
Seaboard Wellhead Control, Inc.
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