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Recent content by ammar20030

  1. ammar20030

    Cryo + Firesafe Sealing Material

    Guys, I was think about using Virgin PTFE as the sealing gasket for my valve but my project requires valve to be both cryo + firsafe. Now the only thing that comes to my mind is graphite but i have tried that and the valve leaks. Do you guys have any suggestions on what to use ? Is it a...
  2. ammar20030

    Cryogenic Cold box vs. Non-Coldbox Question

    Guys, I am new to this cryogenic. I was reading the standard MSS SP-134-2006a "Valves for Cryogenic Service Including Requirements for Body/Bonnet Extensions" and i came across two terms 1) "Cold Box" Extension 2) "Non-Cold Box Extension" According to the standard : Cold Box...

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