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  1. Nandhu28

    NACE compliance for non-pressure retaining parts of a vessel

    Thank you for your prompt reply. It is a Separator vessel and made up of Carbon steel with 6mm corrosion allowance with an internal epoxy novalac ceramic lining. Process conditions are Operating temp of vessel = 90 deg.C Operating Pressure of vessel = 174 psi Chloride content = 149549 ppm H2S...
  2. Nandhu28

    NACE compliance for non-pressure retaining parts of a vessel

    Hi all..... Do we really need to check the NACE compliance(MR 0175/ ISO 15156) for non-pressure retaining parts of a vessel operating in sour service? Because for the non-pressure retaining parts, we will not get partial pressure of H2S. So only having the temperature and chloride...

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