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  • Users: cocky2001
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  1. cocky2001

    BPVC Sec. VIII vs. ASME B31.3

    Does anyone know if Section VIII supersedes B31.3. Or is there a hiearchy for these standards. I have a customer who wants to re-rate a ASME Section VIII pressure vessel to meet B31.3. I am not sure if the design will change or just the inspection and NDE requirements. Any thoughts here...
  2. cocky2001

    ASME Sect. VIII - Flange Calcs

    1) If I run the Sect. VIII appendix 2 calcs on a standard B16.5 flange, can I use it for a higher temp/press rating? Vessel design conditions are 200psig & 650°F, but B16.5 says that for a 4" flange (SA-105) at 650°F the pressure rating is only 125psig. I have done most of the calcs by hand...
  3. cocky2001

    Socket Weld Connection (heat transfer)

    What is the temperature during the process of welding a 3/4" pipe into a socket weld connection?

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