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- Users: Thevalveman
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Pop test of relief valves
If the valve does not open within +/- 3% of set pressure then it is considered to have failed the Pre-test! ( out of set pressure tolerance as per ASME) Now, some customers that we deal with use 10% overpressure! this is their own guide lines set by their inspectors which take into account over...- Thevalveman
- Post #8
- Forum: Safety Relief Valve engineering (PSV)
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graphite filled seals and fire safe for ball valves
Chinwar, Fire-safe testing of ball valves involves two main tests, integral test (to proof the body,trunnion,stem seals) and a function test ( to proof the ability of the valve to close and seal) in the event there is a fire. The primary seals (elstomers) of the valve can be materials of such...- Thevalveman
- Post #7
- Forum: Valve engineering
