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  1. JPearson84

    Does ASME VIII-1 permit FEA resolution for design calculations of pressure vessels?

    Thanks everybody! @TGS4 - you'll note in my opinion I mention that the applicable governing body has to accept the calcs
  2. JPearson84

    Does ASME VIII-1 permit FEA resolution for design calculations of pressure vessels?

    Gents, let me preface this by stating that I am not a pressure vessel engineer & have never read through the tome that is ASME VIII.... that being said I do work as a project engineer for a packaged equipment vendor, I have sourced a plate & frame heat exchanger for utilization in one of my...
  3. JPearson84

    Use of Nitrogen backing gas with P8 materials in wet H2S handling environment?

    @metengr, I did yes and that is forming the basis of our deviation request.
  4. JPearson84

    Use of Nitrogen backing gas with P8 materials in wet H2S handling environment?

    @metengr, thanks but I'm not looking for definitive closure of the issue on this forum - that will only come through discussion with the client. I was just shooting my problem out to the universe to see if the general consensus was that a deviation of this nature would be reasonable or if it...
  5. JPearson84

    Use of Nitrogen backing gas with P8 materials in wet H2S handling environment?

    Thanks for the feedback so far guys. Steve Jones hit the nail on the head - rework is not ideal but as stated I don't have the expertise to be able to review the whole picture. NCR's are already being issued as our sub-supplier has completed work prior to receiving approval to proceed...
  6. JPearson84

    Use of Nitrogen backing gas with P8 materials in wet H2S handling environment?

    Hey all, This is my first post here, long time lurker though. I'm a project engineer currently working on a process package for handling wet vapour (approx 10 mol% CO2, 2% H2S). My client's product specifications require that nitrogen is not used as weld shield or backing gas for p8...

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