Oil/Water Correlation for PRV (Pressure Relief Valves): Is the Measured Set Pressure the Same on Water Compared to Diesel Fuel, Lubricating Oil, etc.? PUBLIC ACCESS

[+] Author Affiliations
Robert J. O’Neill

EPRI, Forestdale, MA

Paper No. PVS2017-3501, pp. V001T04A001; 12 pages
  • ASME/NRC 2017 13th Pump and Valve Symposium
  • ASME/NRC 2017 13th Pump and Valve Symposium
  • Silver Spring, Maryland, USA, July 17–18, 2017
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4070-2
  • Compilation Copyright © 2017 ASME


In verifying PRV setpoints, it is important to distinguish if there is any differential (±) between the measured SP (Set Pressure) of a PRV when tested on water versus testing on other fluids such as Diesel Fuel or Lubricating Oil. It is also important to recognize the standard test medium used by the PRV industry for liquid service testing is water. SP testing with other fluids involves issues such as possible serious health and safety as well as equipment cross contamination.

Paper published with permission.

Compilation Copyright © 2017 ASME
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