Product Images

IRV3 Series


  • Material
    316 / 316L Stainless Steel
  • Size
    1/4″ ~ 3/4″
  • Max. Operating Pressure
    3,000psig @ 38˚C
  • Operating Temperature
    -23˚C ~ 191˚C
  • Others
    Adjustable Cracking Pressure Spring Range(1~250 psig)


relief valves OPEN when system pressure reaches the set pressure and CLOSE when system pressure falls below the set pressure.

  • High-pressure-select and install the spring that covers the required set pressure
    apply the matching label to the cap.
  • Low-pressure IHRV series – the spring is already installed.
    ※ For valves not actuated for a period of time, initial relief pressure may be higher than the set pressure.

The Other Valves