API-RP-576
API ICP Self Study Notes API ICP Self Study Notes
Adjustment of the ring or rings controlling the valve is frequently misunderstood Fion Zhang/ Charlie Chong
How to adjust a PSV The spring determines the pressure at which the PSV will lift, and the blowdown ring setting determines when it will reseat (blowdown) http://www.controlglobal.com/articles/2013/ate-valve-blowdown-rings-dp-runs/ Fion Zhang/ Charlie Chong
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How to adjust a PSV<br />
The spring determines the pressure at which the<br />
PSV will lift, and the blowdown ring setting<br />
determines when it will reseat (blowdown)<br />
http://www.controlglobal.com/articles/2013/ate-valve-blowdown-rings-dp-runs/<br />
Fion Zhang/ Charlie Chong
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