Description
Product Video
Product introduction
When the pressure in the water supply pipe exceeds the set pressure of the pressure relief valve, the pressure relief valve will be opened to prevent the pipeline and equipment from being damaged due to overpressure.
In order to prevent the system from being dangerous due to high water pressure.
Installation requirements
A filter must be installed before the pressure relief/sustaining valve. When adjusting, the screw
on the pilot valve should be withdrawn, start the water
pump to let the water drain from the pressure relief valve, and gradually screw it into the adjusting screw to gradually increase the pressure until the pressure to be set is reached. Tighten the lock nut after setting
Product FeaturesFlange End :ANSI150LB/GB Standard /BS Standard Steam Material :2CR13 /Stainless Steel Bonnet Material :Ductile Iron ,QT450 Body Material :Ductile Iron ,QT450 Seal Material :Ductile Iron ,QT450,NBR Surface Finishing :Epoxy Red or Blue Working Pressure :10/16 Bar | ![]() |







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