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  • Users: ajs83
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  1. ajs83

    ASME 31.3 testing requirements

    Does anyone know if testing is required on crimped hose connections to meet ASME 31.3 requirements.
  2. ajs83

    Water Vapor

    I know my relative humidity, temperature, and pressure, and I am trying to find the specific volume. I do not know the quality. Any help is appreciated.
  3. ajs83

    BPVC gasket materials

    I have a solid copper wire (.080 cross section) and used as a static face seal inside a groove on a flange. I am wondering what the seating stress is. According to ASME Section VIII BPVC on table 3-320 they list a ring joint gasket with a seating stress of 18,000 for iron or soft steel. Should I...
  4. ajs83

    compressor CFM

    I used a sonic nozzle to measure the flow rate of a compressor. The nozzle was located at the discharge of the compressor. I have found my flow rate in CFM with respect to the pressure drop and temperature at the nozzle. To my understanding this is CFM (not ICFM, ACFM, or SCFM). I want to...
  5. ajs83

    ANSI B16.5 Flanges

    I am wondering what the factor of safety is on ANSI B16.5 150# stainless steel 300 series flange. My operating conditions are 120 F and 400 psi.
  6. ajs83

    Torque specifications for castings

    I have a 7/16 Grade 8 standard steel bolt with a tensile strength of 150,000 psi which threads into a casting made of either: Ductile iron type 65-42-12 -> tensile strength = 65,000 psi Gray iron type G4000 -> tensile strength = 40,000 psi I am looking for the torque specs of both castings...
  7. ajs83

    Welds on end caps/plugs.

    Does anyone know if there is a weld that will withstand 2500 psi on the end cap/plug of a pressure vessel. The butt weld fittings are only good for up to 1470 psi. I am using a 5" diameter pipe.
  8. ajs83

    Pressure Tap and sensor location for orifice plate

    Does anybody know the correct spacing for pressure taps before and after an orifice plate. I read in a book that D and D/2, Flange, and corner taps were recommended. However, the same book also had a figure for the pressure tap locations at 2D and 2D. Also, where is the best location to mount...

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