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  1. aizat.mzaki

    Shell test for PSV

    Huge Thanks avalveman for the clarification. Really appreciate it sir. Best Regards,
  2. aizat.mzaki

    PSV rating outside of API 526 table

    Thank a lot avalveman for the great insight. Really appreciate your input. Best Regards,
  3. aizat.mzaki

    PSV rating outside of API 526 table

    Dear All, If I need to have a PSV that is not available in API 526 selection table i.e. N size orifice with inlet rating of 2500# and outlet rating of 300# but a PSV manufacturer quote they can supply such PSV. My question as below: 1.Does that PSV still can qualified for the necessary ASME...
  4. aizat.mzaki

    Shell test for PSV

    Thanks a lot avalveman for such a clear explanation. Really grateful for that. I hope you may provide further clarification with regards to the hydrostatic testing. As there are 2 type of nozzle for PSV i.e. full nozzle and semi-nozzle. While the semi-nozzle design will exposed the valve...
  5. aizat.mzaki

    Shell test for PSV

    Dear All, For PSV shell test as per ASME VIII Div 1, UG-136(d)(2) Hydrostatic Pressure Test specify to perform the test at 1.5 x design pressure of the part. For PSV body, e.g. 900# inlet flange x 300# outlet flange, should we test it to the 900# or 300# rating for the shell test? If we test...

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