Bi-directional valve seal mechanism

Details Bi-directional valve seal mechanism Bi-directional valve seal mechanism

1998-12-10

2000-04-04

Fox, John

Valves and valve actuation

Rotary valves

Butterfly

251173, F16K 122

Patent

active

060451211

ABSTRACT:
A seating ring having a unique surface designed to engage with the convex outer surface of a valve disc, thereby providing a uniquely tight and bi-directional seal. The seating ring has a first, free end, an angled contact point adjacent to the free end, a convex sealing surface adjacent to the angled contact point, a hairpin curve adjacent to the convex sealing surface, and a second, mounting end.

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