Check valves meaning of "Retainer less design"
Check valves meaning of "Retainer less design"
(OP)
hi to all,
i have a question regarding Chack valves, what means for a check valve the term "retainer less design"?
thanks for all
best regards
Vincenzo Saviello
i have a question regarding Chack valves, what means for a check valve the term "retainer less design"?
thanks for all
best regards
Vincenzo Saviello





RE: Check valves meaning of "Retainer less design"
If so this mean that the ball isn't restrained in its movement, normally lift.
RE: Check valves meaning of "Retainer less design"
See API-594 for some pics of these pins through the body and google retainerless for pics of the variation.
RE: Check valves meaning of "Retainer less design"
The phrase Fugitive Emissions was just becoming the buzz word and you couldn't run fast enough to give anyone a dual wafer check valve at our site, though we did use a single disk internal hinged check valve.
RE: Check valves meaning of "Retainer less design"
thanks for your explanation. I have found more info about "retainerless" on web. On API 594 valves droawings are all with the retainers passing through the valve body.
Many thanks Vincenzo