... is widely used for controlling and adjusting of gas heating equipment , for example: gas burner, gas furnace(atmospheric model), industrial furnace, incinerator etc ... and CE testing rule, and in line with European gas application standards 90/396/EEC, 94/9/EC, 2004 ... or 360mbar Opening/closing time: <1sApplicable medium: natural gas, LPG, town gas, air and other noncorrosive gases. Body material: die- ...