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Recent content by Hardarie

  1. Hardarie

    perlite pressure characteristic at inner tank of double wall cryogenic storage tank

    Hi every one I have several question about pressure load at inner tank of double wall storage tank 1. How to calculate perlite pressure at inner tank wall of double wall cryogenic storage tank? 2. Any consideration regarding selection of resilient blanket indulation thickness due to perlite...
  2. Hardarie

    API 650 paragraph F.7.5.

    hi JStephen,i have different opinion the first is also loading the anchorage, because bolt shall be tightening when tank is fully filled with water when test. of course, that is prior to air pressure test. then when air pressure is applied, the anchorage is tested for design stress, i'm...
  3. Hardarie

    Frangible roof if tank on F.7

    1. no, you can't designed frangible roof for API 650 F.7 tank, use safety valve in lieu of frangible joint 2. yes 3. yes it can, 4. no, you must follow F.7 if tank is at F.7 5. thats describe the no. 1
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