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  1. libn999

    ASME hydro test pressure

    TG4, can you please explain. Allowable is calculated by yield/1.5 right? So 1.5 times the design pressure will take the allowable right back to the yield right?
  2. libn999

    ASME Hydro test for External pressure

    Dear all, Does the ASME section VIII Div 1, UG-99 (e) talk about the hydrotest for the external pressure also? Like testing the inner walls when pressurizing the jacket of a double pipe Heat exchanger?
  3. libn999

    ASME hydro test pressure

    Yes. I mean ASME Section VIII Div 1 UG-99 Let me tell what I understand from the code book. Ultimately we are using the stress value at the test temperature to find the test pressure. Because the (b) has a correction factor to bring the stress value to the test temperature. So if I multiply...
  4. libn999

    ASME hydro test pressure

    Hello, I request some light on this topic that is widely discussed. ASME code specifies the minimum test pressure as 1.3 times the MAWP at test temperature. I have seen in general practice, engineers using 1.5 times the MAWP at the design temperature, claiming it will be satisfying the...
  5. libn999

    ASME INDIVUDUAL CERTIFICATION

    Dear All, I would like to know is there a certification from ASME or other such authority for the Pressure vessel and heat exchanger design engineers. can somebody answer me?
  6. libn999

    STACK DESIGN

    Dear All, I am sorry about the insufficient information. infact my situation is as follows, I have a Flue gas expelling stack. it contain co2, so2, h2o etc. temperature of inlet gas is 400 degree celsius. I know the flow rate aslo, 12000Nm3/hr the cusotmer have given a height of stack as...
  7. libn999

    STACK DESIGN

    Dear All, I want to design a stack. I was checking the design guidelines or codes. Can someone guide me about the resource materials? libin

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