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  • Users: AKBen
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  1. AKBen

    Anderson Greenwood Series 200 PSV in liquid service

    I am evaulating whether or not it is acceptable to place and AndersonGreenwood Series 200 into a liquid service. The service is as a relief valve on a jacket water cooling system for a gas compressor. The liquid is a water/glycol mix. The sizing basis is tube rupture. The set pressure is 60...
  2. AKBen

    Potable Water Valves

    I'm designing a potable water tank farm and I'm trying to determine whether or not the valve I want to use are acceptable. Typically I design B31.3, 31.4, and 31.8 piping systems so potable water design is foreign to me. I know NSF 61 and AWWA have material requirements for valves. What other...
  3. AKBen

    High Pressure/Temperature Hose Testing

    The disclaimer does not mean that steam service is wrong for the materials, but it definately does not mean it is right. The vendor is concerned that the hose-fitting connection will fail, which will result in a hose whipping around while spraying steam all over the place, possibly killing...
  4. AKBen

    High Pressure/Temperature Hose Testing

    The hose is rated, and the fitting is rated, but the hose and fitting assembly is not rated. The distributer who is assembling the fitting and hose will not issue the hose assembly without a disclaimer stating that the hose assembly is not rated for steam service. So, I need to test the hose in...
  5. AKBen

    High Pressure/Temperature Hose Testing

    I'm designing a steam heat system that requires a hose. The temperature/pressure of the steam is 345 F/125 psig. The size of the hose is 4". I've located hose (steam pile driver hose) and fittings that are rated for the service described above. However, there is no empirical data on the...
  6. AKBen

    Low temperature hose

    I am looking for a hose that meets the following criteria: Working Fluid - Dry Natural Gas -50F to 140F temp range Available in up to a 4in diameter 285 psi design pressure Does anyone know of a hose that meets the above criteria? thank you for your time
  7. AKBen

    AutoPIPE Cut-Short Load Combination

    Where is it not permitted in B31.4? I interpret 419.7.3 d to mean that the minimum temperature cannot be changed to the cold spring base temp.
  8. AKBen

    AutoPIPE Cut-Short Load Combination

    I just figured it out. The analysis must be run once with U2 checked, then U2 will show up in the User Defined Code Combinations.
  9. AKBen

    AutoPIPE Cut-Short Load Combination

    I am analyzing an above grade, insulated, sales crude pipeline to B31.4 in AutoPIPE. The pipeline is about 14 miles long. There are Z-bends and anchors every 500 to 1000 feet. I am coldspringing(AutoPIPE calls it a Cut Short) the pipe. I am trying to determine the correct method to combine the...

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