Valve seat

Details Valve seat Valve seat

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 1/42 (2006.01) F16K 5/06 (2006.01) F16K 5/20 (2006.01)

Patent

CA 2091376

A valve seat arrangement sealing against a valve core in a valve, particularly for a ball valve, having an inner ring with a first deflectable sealing lip and an outer ring with a second deflectable sealing lip. The first deflectable lip is arranged to protrude forwardly to make initial contact with a closing valve core and once deflected, the second lip is arranged to land against said closing valve core forming a secondary seal. The first sealing lip and the second sealing lip are fashioned having selectively angled beveled surfaces facing the core. The invention provides an effective sealing arrangement for high temperature service.

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