Document Type and Number:
Japanese Patent JPS50138428
Kind Code:
A
Abstract:
A unitary plug of a double seated cage valve is provided with a tapered tube shaped seat made of resilient material. This resilient tapered tube shaped plug seat provides a surface of increasing circumference thereon, which can be progressively forced into fluid tight seating contact against an associated annular rigid edge cage seat to enable the remaining seat on the plug to be automatically coined into fluid tight seating contact with its associated rigid edge cage seat.
Application Number:
JP4385575A
Publication Date:
November 05, 1975
Filing Date:
April 10, 1975
Export Citation:
International Classes:
F16K3/24; F16K1/44; F16K39/02; (IPC1-7): F16K1/44