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Diaphragm safety relief/holding valve AX742X

Nominal diameterDN50-DN600

Test shell strength2.4MPa~3.75MPa

Liquid high pressure seal1.76MPa~2.75MPa

Gas low pressure seal0.6MPa~0.6MPa

Temperature-29~260℃

MediumWater, steam, oil, etc

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Product overview

The AX742X diaphragm safety pressure relief / holding valve is installed on the pipelines of high-rise buildings, fire water supply systems and other water supply systems. When the pressure in the water supply pipeline exceeds the set pressure of the pressure relief valve, the pressure relief valve will automatically open for rapid pressure relief to protect the safety of the pipeline. It can also be used as a pressure holding valve to ensure the water supply pressure upstream of the main valve. It can accurately maintain the constant safe setting pressure. Once the pressure is overpressured, the pressure relief valve will open quickly and relieve the pressure in time. The closing balance is reliable and eliminates the pressure afterwave.