Gas valve is a new type of safety supporting device for gas pipeline engineering. It is used to cut off, connect and adjust the gas in the pipeline. It has good control characteristics and closing and sealing performance; it is suitable for city gas, liquefied petroleum gas, natural gas, Oxygen and other gas medium pipelines. Gas valves are widely used in gas, liquefied petroleum gas, natural gas, oxygen and other gas medium pipelines in urban gas supply network systems; the driving forms include manual, worm gear transmission, electric, pneumatic, hydraulic, electro-hydraulic linkage and other actuators. It can realize remote control and automatic operation.
