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  1. Shutdown valve acting time

    Dear all, anybody have any standards, codes or regulation specified what the allowable closing/opening time of Shutdown valve.

    Thanks!


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  3. #2

    Re: Shutdown valve acting time

    Quote Originally Posted by ntkhanh777 View Post
    Dear all, anybody have any standards, codes or regulation specified what the allowable closing/opening time of Shutdown valve.

    Thanks!
    What I learnt the thumb rule for the stroking time for any shutdown valve is 1 seconds/inch. However, a surge analysis shall be performed to know the exact time required for any valve to be opened or closed. The valve closing time can be controlled (maximize or minimize) by adding exhaust valve or volume booster.

    Regards
    Junaid Atta

    My threads; junaidatta :


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    • Re: Shutdown valve acting time

      Thank for your information.
      Do you have any guideline for surge analysis.

      Regards.

    • #4

      Re: Shutdown valve acting time

      Quote Originally Posted by ntkhanh777 View Post
      Thank for your information.
      Do you have any guideline for surge analysis.

      Regards.
      I am Instrument engineer, I think any process engineer can provide you information about surge analysis.

      Regards
      Junaid Atta

      My threads; junaidatta :


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