Relief valve

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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    Available online
    As low as USD$93.24
    Product No. Size Factory pre-set Range PSI
    IV RVHD05 Choose this option ½'' MPT x ½'' FPT 75 PSI 10 to 150 PSI Choose this option
    IV RVHD07 Choose this option ¾'' MPT x ¾'' FPT 75 PSI 10 to 100 PSI Choose this option
    IV RVHD10 Choose this option 1'' MPT x 1'' FPT 75 PSI 50 to 200 PSI Choose this option
    IV RVHD12 Choose this option 1 ¼'' MPT x 1 ¼'' FPT 65 PSI 50 to 100 PSI Choose this option
    IV RVHD20 Choose this option 2'' MPT x 2'' FPT 65 PSI 60 to 100 PSI Choose this option
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