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  • Users: jolivers
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  1. jolivers

    Material Standard (Nickel Base)

    Hi everyone, I would like to know which is the the EN standard of the following materials (bar shape) in which appear its yield strength according to the rise in temperature.: - 2.4360 (Monel 400) - 2.4602 (Hastelloy C-22) - 2.4819 (Hastelloy C-276) - 2.4856 (Inconel 625) In the standard DIN...
  2. jolivers

    Material Standard (1.4542)

    Hi everyone, I would like to know which is the the EN standard of the material 1.4542 (known as 17-4-PH) in which appear its yield strength according to the rise in temperature. Thanks in advance.
  3. jolivers

    Set Pressure Testing Media

    Hi everyone! Could anyone tell me where I can find in the Code ASME VIII Div.1 that it is allowed to test with air (for set pressure testing) relief valves marked for liquid service? According to UG-134(d)(4), pressure relief valves marked for liquid service shall be tested with water or other...
  4. jolivers

    PSV Minimum Blowdown

    Hi everyone, Where can I find the minimum blowdown for PSV according to ASME VIII Div.1? Is it the same as ASME I (not be less than 2%)? Thanks in advance.
  5. jolivers

    Material SA 494 M35-1 (MONEL)

    Hi everyone, Why does not appear the material SA 494 M35-1 in ASME II Part-D? However, it is in ASME II - Part B... I need to justify its use for a pressure vessel according to ASME VIII Div.1. Thanks in advance.
  6. jolivers

    ASME Material Certification

    Hi everyone, What kind of material certification do I have to request to my supplier when we want to purchase ASME material? Just ASTM? Both? I mean, we can use A479 316 (bar) to produce some parts not subjected to pressure, but for the valve's nozzle it has to be SA479 316. They are both the...
  7. jolivers

    PSV for Heat Exchagner Tubes Failure

    Hi everyone, Is there a direct formula to calculate the required orifice area of a safety valve only with the following parameters? - Cross-sectional area of the heat exchangers tubes - Maximum allowable low side pressure (in that case, the shell) - Maximum allowable high side pressure...
  8. jolivers

    Gray Cast Iron A126B Maximum Allowable Stress

    Hi everyone, Where can I find the maximum allowable stress values of A126B in order to justify the desing calculation of valve body wall thickness and flange thickness? According to ASME B16.1 this is the cast iron which has to be used for flange fitting but, on the other hand, there is no...
  9. jolivers

    Gray Cast Iron A126B Maximum Allowable Stress

    Hi everyone, Where can I find the maximum allowable stress values of A126B in order to justify the desing calculation of valve body wall thickness and flange thickness? According to ASME B16.1 this is the cast iron which has to be used for flange fitting but, on the other hand, there is no...
  10. jolivers

    Threaded body, bonnet or cover joints

    Hi everybody, Where can I find any reference in the European Standard (EN-13445, EN-12516,...) related with threaded joints to valve bodies? In ASME B16.34 exists the point 6.4 which explains the tensile or shear area that has to be met, but I have been not able to find the same in the...

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