Device for shifting the seats of a ball valve

Valves and valve actuation – Rotary valves – Ball valve

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

251314, F16K 506

Patent

active

057070423

ABSTRACT:
An improved device for shifting the seats of a top entry ball valve, consisting of two identical portions, one for each valve seat, which are permanently interposed between the valve body and the relative seats; each portion comprises a stop ring made rigid with the valve body by first locking means, and a seat shifting second ring cooperating with a valve seat and movable axially by operating means into a withdrawn position to enable said valving element to be extracted or into an active position in which it is locked in position by second locking means. Preferred embodiments of said means are also described.

REFERENCES:
patent: 3912220 (1975-10-01), Vasicek
patent: 4815701 (1989-03-01), Stone
Patent Abstracts of Japan vol. 11, No. 149, May 12, 1987 and JP-A-61 282674, Dec. 12, 1986 (Abstract).

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Device for shifting the seats of a 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 Device for shifting the seats of a ball valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for shifting the seats of a ball valve will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-320148

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.