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Proof Pressure. What is it anyway?
Yes it is a nitrogen over oil accumulator with floating piston. From what i am gathering from 1976-1989 proof test was synonomous with hydrostatic pressure test until ASME now defines it as a destructive test since it can cause deformation (i.e. burst test) so they don't want it used to refer to...- dacoach
- Post #3
- Forum: ASME (mechanical) Code Issues
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Proof Pressure. What is it anyway?
Is Proof Pressure a different test than a hydrostaic or pneumatic test for pressure vessel? What is it governed by with regards to testing requirements? 1.5 X MAWP or is it greater than that? We bought an accumulator last year with the nameplate listing a MAWP of 3000psi and a proof pressure of...- dacoach
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- Replies: 4
- Forum: ASME (mechanical) Code Issues
