F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 5/02 (2006.01) F16K 5/04 (2006.01) F16K 5/06 (2006.01) F16K 27/06 (2006.01)
Patent
CA 2401154
a seal system comprises a non-flat cross-section, fire resistant compressible ring (44) and an annular pocket (42) formed between two engagting surfaces (36, 38) of a pressure vessel such as a plug valve (10). The pocket is formed by providing a chamfer (40) in one such surface (38) which is then enclosed by the other such surface (36). The ring is compressed within the pocket to substantially fill the pocket upon mating of the two surfaces.
L'invention concerne un système d'étanchéité comprenant une bague compressible résistant au feu, de section transversale non plane, et une poche annulaire constituée entre deux surfaces en prise d'un récipient à pression, par exemple un clapet d'obturation. La poche est réalisée par chanfreinage d'une de ces surfaces, laquelle surface se trouve alors incorporée dans l'autre. La bague est comprimée à l'intérieur de la poche de façon à remplir sensiblement cette dernière lorsque les deux surfaces s'épousent.
Conley Jeffrey R.
Hotz John A.
Knight Colin G.
Krupala Gene T.
Smith Gordon M.
Conley Jeffrey R.
General Valve Inc.
Hotz John A.
Kirby Eades Gale Baker
Knight Colin G.
LandOfFree
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