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  • Users: FlashPurp
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  1. FlashPurp

    A333 Gr 6 Minimum Temperature

    Hello, We are planning on using A333 Gr 6 piping in our design. The MDMT in B31.3 is -50 F and we have design conditions that may reach -55 F. I was told by by using the load case referenced in B31.3 323.2.2 (a)(3) below and by reaching a stress ratio no greater the 0.95 that A333 Gr 6...
  2. FlashPurp

    Excessive Pump Suction Nozzle Loads

    Hello, I am working on stress on pump suction piping coming from a tank. I am seeing high moments and nozzle loads on my pump during hot and cold operation. I believe the issue is with how my header is growing and contracting during the 2 cases, so I was wondering the best way to restrain...
  3. FlashPurp

    Repad on structural supports attached to SCH 10S pipe

    Hello, We have SCH10S piping and have various structural supports welded to it (dummy legs, base supports, etc.) Because it is thinner pipe, do we need to include repads? Concern would also be the weld burns through the thin wall. Will CAESAR II be able to check this somehow? Or what...

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