Valves including thermally sprayed sealing components

Details Valves including thermally sprayed sealing components Valves including thermally sprayed sealing components

2005-05-17

2005-05-17

Chambers, A. Michael (Department: 3753)

Valves and valve actuation

Valve

Materials

C137S625410, C137S625310

Reexamination Certificate

active

06893003

ABSTRACT:
A valve assembly comprising a valve stem, an annular bonnet configured to receive the valve stem, a valve disk coupled to one end of the valve stem, a seal, and an insert. The seal is disposed adjacent the valve disk and has a top surface and a bottom surface. The top surface includes a first pair of sealing ridges extending upwardly therefrom and the bottom surface includes a second pair of sealing ridges extending downwardly therefrom. The insert includes a recess configured to receive the seal that performs a sealing function and a biasing function. The valve assembly can easily be configured to open in either a clockwise or counterclockwise direction without resort to adapters or other additional pieces by rotating the bonnet/valve stem sub-assembly 90° relative to the insert.

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