... bar motorized valve apply for HVAC,heating,air conditional,water meter,solor,small automatic water control equipment. Replacing solenoid valve, ... suits for samll equipment Metal gear Voltage : DC3-6V,12V,24V,220V Open/close time: 3-5 sec Extra long life: 100000 ... and one wiring No. at follwing diagrams electric water valve,1/2'' to 1'' brass valve,3-6V,12V,24V controlled with manual override