Expanding gate valve assembly

Details Expanding gate valve assembly Expanding gate valve assembly

1996-04-15

1997-09-02

Fox, John

Valves and valve actuation

With means to increase head and seat contact pressure

Gate valve

251195, F16K 314

Patent

active

056623089

ABSTRACT:
An expanding gate valve which includes a reciprocating gate supporting at least one floating segment supported on one side thereof with a wedging means between the gate and the segment for wedging movement of the segment transverse to the fluid flow path and further wedging the segment against a valve body seating surface upon reciprocating movement of the gate in selective response to valve stem movement so as to seal the fluid flow passageway from the valve body cavity selectively in a fluid flow closed position or in a fluid flow open position of the valve, wherein the floating segment comprises a first wedging surface configured to coact with the gate and a second wedging surface to coact with the valve seating surface.

REFERENCES:
patent: 1245961 (1917-11-01), Oswald
patent: 2858844 (1958-11-01), Gemma
patent: 3662986 (1972-05-01), Domulewicz, Sr.

Affiliated with

Also associated with

Rating

Expanding gate valve assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Expanding gate valve assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Expanding gate valve assembly will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-301885