Invention Grant
US08863767B2 Alignment system for flapper valve 有权
挡板对准系统

Alignment system for flapper valve
Abstract:
A valve assembly, including a seat and a flapper complementarily formed with respect to the seat for creating a seal at an interface therebetween. At least one shim is operatively disposed in the valve assembly for altering a position of the flapper relative to the seat in at least one direction for aligning the flapper and the seat at the interface. A method of aligning the flapper and seat of a valve assembly is also included.
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