Dual seal ball valve

Details Dual seal ball valve Dual seal ball valve

1994-08-02

1996-02-27

Schwadron, Martin P.

Valves and valve actuation

With means to increase head and seat contact pressure

Seat pressed to valve

251174, F16K 506, F16K 520

Patent

active

054942560

ABSTRACT:
A high pressure ball valve is disclosed having dual, independent seat to ball seals, the dual seal arrangement including a primary seal and a secondary seal, each operating independently, in proper sequence, each acting in the same direction, and each being pressure actuated, with provision for relieving excess fluid pressure.

REFERENCES:
patent: 2810543 (1957-10-01), Bryant
patent: 3346234 (1967-10-01), Allen
patent: 3504885 (1970-04-01), Hulsey
patent: 4083376 (1978-04-01), Alaniz
patent: 4280522 (1981-07-01), Pechnyo et al.
patent: 5090661 (1992-02-01), Parks, Jr. et al.

Affiliated with

Also associated with

Rating

Dual seal ball valve does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1673912