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Relief Valves

  • Large nozzle design provides high capacity.
  • Valve seats with Teflon backing for maximum performance.
  • Pivot between disc and spring corrects misalignment and compensates for spring side thrust.


  • Model PRV-K has ‘pull-ring’ lift device for easy manual testing.
  • Every valve is inspected and tested for pressure setting, blowdown and leakage.
  • All adjustments are factory sealed to prevent tampering or disassembly.


  • Protection of low to medium pressure high volume blowers, compressors and pneumatic conveying systems.
  • Bulk hauling trailers/equipment.
  • Light gauge tanks.
  • Protection of high volume vacuum pumps and conveying systems.

Product Catalogue

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