... : 1/2'' to 1'' Material: brass Volt: 3-6V,12V,24V,220V Using Life:100,000 times Pressure:10 bar motorized valve ... when solenoid cannot work reliablyFeatures: Mini dimension suits for samll equipment Metal gear Voltage : DC3-6V,12V,24V,220V Open/close time: 3 ... valve,1/2'' to 1'' brass valve,3-6V,12V,24V controlled with manual override