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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...

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?

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...

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...

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...