GAOil Refining Safety Valve are used as a main accessory for petrochemical pressure vessels to control the vessl pressure and ensure the safety of the container. This series valve is enclosed fully-open spring safety valve, that is , when the gas medium pressure is 3% higher than the setting pressure, the valve will automatically open and then discharge fully. This series can be used for gases or liquids with stable back pressure and without or with slight corrosion. The working temperature are less than 300ºC.
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