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  • Users: Idrus
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  1. Idrus

    Good ENgineering practice - Tank API vs ASME

    Hi Mandarkardekar, I went through API 620, and it said there that "Flat bottoms of cylindrical tanks that are uniformly supported on a ringwall, grade, or concrete-slab foundation are pressure-resisting membranes but are considered nonstressed because of support from the foundation" If it is...
  2. Idrus

    Good ENgineering practice - Tank API vs ASME

    Hi Stephen, thanks for the reply. This caustic scrubber has a barrel for process gas inlet not at the axis and it has process activity inside the tank/vessel i.e scrubbing, demister, can it still be qualified to be called as a tank?
  3. Idrus

    Good ENgineering practice - Tank API vs ASME

    Hi Stephen, the diameter is 8meter, with transition from 8m to 4.6m at 9m from grade. Overall height is 29.5m. Contractor is defining the whole design as per best engineering practice. Hybrid bottom plate API 620 and upper portion to be ASME VIII. Im inclining towards metengr, API 620 said that...
  4. Idrus

    Good ENgineering practice - Tank API vs ASME

    Hi Guys, i really need some help here, my contractor is designing a caustic scrubber vessel, SS316L material, design pressure 85kpa, design temperature 400 deg C max (process gas coming in at 400 deg C, assuming all solution evaporated, tank needs to withstand 400 deg C. The problem is the...
  5. Idrus

    Weld overlap at air cooled heat exchanger header box

    Hi guys, Im a newbie, please be gentle. Our ACHE vendor has raised a deviation from project spec that they would have to overlap weld between nozzle and header box of the exchanger. I understand for other threads that there are UW-14 that covers weld overlapping. Can this be applied to ACHE...

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