Ball valve assembly

Fluid handling – Processes

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

251159, 251172, 251174, 251210, 166130, E03B 100

Patent

active

043322670

ABSTRACT:
An improved mounting and sealing assembly is provided for a rotating ball valve required to open under increased differential pressures and close against high flow rates. The valve assembly includes a trunnion-mounted ball and two pressure biased sealing assemblies. The primary seal constitutes an elastomeric seal element which is axially shiftable into engagement with the ball, and the secondary seal comprises a metallic element which is also axially shiftable relative to the ball. To open the valve, the seals are moved in sequence axially away from the ball and the hydraulic seal is fully broken before the ball is rotated. In closing, the ball is rotated to its closed position and the seals then moved axially in sequence into contact with the ball.

REFERENCES:
patent: 3912220 (1975-10-01), Vasicek
patent: 4215722 (1980-08-01), Sigmon
patent: 4280522 (1981-07-01), Pechuyo

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

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

Rate now

     

Profile ID: LFUS-PAI-O-1845285

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