Pass valve is installed on pipe Target gas: natural gas, LPG, man-made coal and other noncorrosiveValve opening: reset manuallyValve closing: direct current pulse drive or manuallyClosing time:<1sSize:1/2inchValve body materials: brass alloy Technology parameter1,Temperature -25oC~+85oC2,Humidity 95/%3,Working voltage DC8V~16V 4,Working current 20mA~300mA5,Comsumption 1.2W6,Working consumption 0. ...