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Recent content by rtcsp

  1. rtcsp

    Compatibility with Class 125 Thru-Bolted Flanged Butterfly Valve

    Are all Class 150 flanges compatible with a Class 125 thru-bolted butterfly valve, where the valve does not have thru-bolt holes? Obviously, I'm asking about flanges with the same NPD as the valve. If not, what determines which Class 150 flanges are compatible with the butterfly valve, since no...
  2. rtcsp

    Alternate Titles for a Process Engineer (EIT)

    I don't live in Texas, and have a few dumb questions.... Are all piping designers in Texas P.E.s? Why would a piping designer, responsible for the layout of a piping system, not qualify as: (2) design, conceptual design, or conceptual design coordination of engineering works or systems...
  3. rtcsp

    Drawings in Excel

    meca, here's a link to smartsketch that should work. ppm.intergraph.com/smartsketch
  4. rtcsp

    Piping with CAD

    In addition to SmartSketch for drafting, the same company provides SmartPlant for detailed design with extraction of drawings and reports from the 3D model. The interference checking is performed in real-time. This is the vendor's next generation plant design CAD package to eventually replace PDS.
  5. rtcsp

    Pressure Rating versus Reverse Pressure Rating?

    Thanks to both of you for helping/inquiring. I found the following reference to 'reverse pressure rating' in the description of a valve. Although I couldn't find the original basis of my question in Google, the context involved relief valves. "However, the pressure rating with the FRP gate...
  6. rtcsp

    Pressure Rating versus Reverse Pressure Rating?

    I understand what Pressure Rating is. What is Reverse Pressure Rating or Minimum Pressure Class? Can a fitting have two different values of Reverse Pressure Rating, as is the case with the Pressure Rating of a relief valve?
  7. rtcsp

    Pressure Rating versus Reverse Pressure Rating?

    I understand what Pressure Rating is. What is Reverse Pressure Rating or Minimum Pressure Class? Can a fitting have two different values of Reverse Pressure Rating, as is the case with the Pressure Rating of a relief valve?
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