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  1. Abdolrahimi

    what's the difference of "Joint" and "Connection" ?

    Dear goutam_freelance Your perception complemented LittleInch's response. Thanks
  2. Abdolrahimi

    what's the difference of "Joint" and "Connection" ?

    Dear Dhurjati Sen A convincing answer, LIKE !
  3. Abdolrahimi

    what's the difference of "Joint" and "Connection" ?

    Dear LittleInch I can't find the definition of these words in ASME. Another example is in code case 185 : reply 3. All system joints and connections shall be leak tested. Piping welds and joints to be tested shall be uninsulated and exposed, and shall not be primed, painted or otherwise...
  4. Abdolrahimi

    what's the difference of "Joint" and "Connection" ?

    Hello everyone Would you please tell me what's the difference of "joint" and "connection" in ASME code B31.3 Example: 345.2.2 Other Test Requirements (a) Examination for Leaks. The leak test pressure shall be maintained for at least 10 min and then all joints and connections shall be examined...
  5. Abdolrahimi

    API 650 / Want to Change a Flange

    Dear MJCronin Class of the flange changed from 150 to 300 pound, because of a change in the instrument that connect to the flange
  6. Abdolrahimi

    API 650 / Want to Change a Flange

    Dear IFRs & LittleInch Thanks for your guides We experimentally decided to "Service Test" the tank that contains just water. But someone had a better opinion: Partial Test of the nozzle; however he didn't render any references.
  7. Abdolrahimi

    API 650 / Want to Change a Flange

    Hello Everyone We want to change just a shell nozzle flange after hydrostatic test. Can we do it without any subsequent hydrotest? Our tank is made with the requirements of API650
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