Gas valve seating member

Details Gas valve seating member Gas valve seating member

F - Mech Eng,Light,Heat,Weapons

16

K

251/87

F16K 25/00 (2006.01) F23N 5/10 (2006.01)

Patent

CA 1088911

ABSTRACT OF THE DISCLOSURE A gas valve has a valve seating surface and flexible valve member to insure that the gas flow is terminated when the valve closes. The valve seating surface has a flat portion around an opening and a raised portion around the peripheral opening. A cooperating flexible valve member has a flat portion and a raised portion around its periphery. When the flexible valve member moves against the seating surface, the raised portion of the flexible valve member engages the flat portion of the seating surface and the raised portion of the seating surface engages the flat portion of the valve member to form two concentric series con- nected seals to insure that gas flow through the valve is terminated.

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