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Recent content by MSPVIN

  1. MSPVIN

    multiple pressure relief valves used on inlet natural gas line to a power plant

    the required capacity calls for 2 valves. can i increase the set pressure on the second valve? the question is can i increase the set pressure to 16% non fire case or is the pipeline under DOT and not pressure vessel code?
  2. MSPVIN

    case 2254

    wanting to install a SSV between the boiler and SV?
  3. MSPVIN

    Pilot Operated Relief Valves

    how does back pressure = inlet pressure if the BP is on the outlet side?
  4. MSPVIN

    Pilot Operated Relief Valves

    thanks for the post, in regards to the pilot operated valves, is it true at some point say 70% back pressure the relieving capacity will be effected.
  5. MSPVIN

    Pilot Operated Relief Valves

    why is a pilot operated relief valve not effected by back pressure?
  6. MSPVIN

    flow curve on a pressure relief valve

    lets say you have a PRV set at 100 psig and at that pressure setting the valve has a max flow capacity of 10,000 GPM at 10% overpressure the valve is in full lift and has a max flow rate of 10,000 GPM I am looking for a flow chart (curve) that shows the capacity in proportion to valve lift...
  7. MSPVIN

    API vs ASME

    after running the sizing calculations for a pressure relief valve, do you use API or ASME orifice area?
  8. MSPVIN

    when the final selection of a press

    when the final selection of a pressure relief valve is required, will the code allow you to make the selection using the ASME or API orifice area?
  9. MSPVIN

    Pilot operated safety valves used on an economizer

    very well explained, thank you
  10. MSPVIN

    Pilot operated safety valves used on an economizer

    when sizing and selecting a safety valve for the economizer what sizing methodology do you use?
  11. MSPVIN

    Safety Selector Valves (Changeover Valves)

    Code Case 2254 what are the requirements when using a Safety Selector Valve for Section 1 applications?
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