Seal ring assembly for high pressure valves

Details Seal ring assembly for high pressure valves Seal ring assembly for high pressure valves

1991-05-20

1992-11-24

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277175, 277176, F16J 1516

Patent

active

051657023

ABSTRACT:
A seal ring located in a seal ring groove of a valve member of a rotary valve assembly has an outer seal surface in sealing engagement with a surrounding valve housing and is adapted to isolate pressure passages communicating with the valve assembly regardless of the direction of the pressure differential across the seal ring, the seal ring being maintained in sealing engagement with one wall of the seal ring groove and with a surrounding wall of the valve housing by an underseal expander ring that assures continuous sealing action of the seal ring.

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