Relief valve

In stock
IV RVHD05-Config

The relief valve prevents excess pressures. For instance, it is used in pump-equipped irrigation systems. A pressure spring maintains the valve closed and only opens it when needed, i.e. when pressure exceeds set level.


Further information

  • Accuracy ± 15% of factory preset PSI
  • Not suitable for water heaters
  • If an outlet pipe is used, its diameter must be equal to or greater than that of the relief valve outlet
  • Use only with cold water
  •  Max. temperature: 60 °C (140 °F)



    • Heavy duty cast brass body
    • Stainless steel spring
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    As low as USD$98.74
    Product No. Size Factory pre-set Range PSI
    IV RVHD05 ½'' MPT x ½'' FPT 75 PSI 10 to 150 PSI
    IV RVHD07 ¾'' MPT x ¾'' FPT 75 PSI 10 to 100 PSI
    IV RVHD10 1'' MPT x 1'' FPT 75 PSI 50 to 200 PSI
    IV RVHD12 1 ¼'' MPT x 1 ¼'' FPT 65 PSI 50 to 100 PSI
    IV RVHD20 2'' MPT x 2'' FPT 65 PSI 60 to 100 PSI
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