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Internal Spring Pressure Relief Valves

3″ Internal Spring Pressure Relief Valve

ISPRV3

3″ NPT, 25 to 100 psi

  • Only internal spring PRV that is field adjustable without removal
  • 1” and 1/4” multiple porting for addition of air vent and/or psi gauge
  • Cast iron body with 3” NPT male threading
  • PSI range: 25 to 100 psi
  • Replaceable rubber seat
  • Stainless-steel stem and brass bushings for long life
  • Splash guard for ease of adjustment