Valves and valve actuation – Reciprocating valve – Particular head and seat cooperation
Patent
1982-06-10
1984-11-13
Rosenthal, Arnold
Valves and valve actuation
Reciprocating valve
Particular head and seat cooperation
251368, 251361, F16K 114, F16K 142
Patent
active
044821298
ABSTRACT:
A valve assembly with a resilient metal seat member is disclosed for providing a gas-tight seal in a gas handling system. The valve assembly also includes a valve element for sealing against the valve seat member; and an actuating means for operating the valve element. The valve seat member is a one-piece stainless steel ring having a central valve port and peripheral mounting flange, and an annular corrugation in between. A groove between the first and second ridges serves as a flexure zone during operation of the valve member and thus provides the seating pressure between the inner ridge or valve seat and the valve element. The outer annular ridge has a diameter less than said valve element to limit the seating motion of the valve element, preventing non-elastic deformation of the seat member.
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Baker Ray W.
Pawlak Donald A.
Ramey Alford J.
Esposito Michael F.
Libman George H.
Rosenthal Arnold
Sopp Albert
The United States of America as represented by the United States
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