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  1. PVG1

    ASME Sect IV use of Stainless Flanges

    Does ASME Sect IV allow the use of Stainless Steel Flanges on a carbon steel hot water heater? Or is there a code case available for use? Using the tables HF-200 and HLW-300 the stainless material isn't listed but we have been using it for years, today someone mentioned it not being listed in...
  2. PVG1

    Flange to Pipe fillet weld size Limitations

    First off I don't know if I should post here or on Pressure Vessel and Boiler forum, but anyways... I have a 10" sch. 40 pipe and a slip-on flange for use in ASME Sect VIII, Div 1. The fillet weld on the outside of the pipe to flange is calc'ed at 9/16"... Is there anything that limits the...
  3. PVG1

    ASME Calcs Sect IV or Sect VIII Specifically

    Is there some where in ASME code, specifically Section IV or VIII that says the calculations should have the job number, Applicable Code Edition, Company Name, etc on a cover page or something of that nature attached to the applicable calcs?
  4. PVG1

    Hole cut size/Nozzle Fit-up

    The shop I work for is currently had this question came up about; is there anything specific in Code that says how big a hole can be when compared to the nozzle that will go in that hole. For instance a 2" pipe, OD is 2.875" the hole diameter that was cut is say 3.5" is there anything in code...
  5. PVG1

    ASME NCR

    Hi, we are working on our QC Manual and are discussing the Non-Conformity section. The issue we are having is when are we required to write a NCR. We understand that it is when the vessel does not comply with Section VIII, as some argue it doesn't comply when it fails x-ray, others say it does...
  6. PVG1

    ASME Section VIII Carbon Steel

    Using carbon steel for a Sect. VIII Div 1, pressure vessel. Wondering if the slab number has to be recorded and kept?

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