2-way/3-way electric operated Valve 2-port/3-port auto shut off eletric ball valve Size: 1/4",1/2",3 ... accurate position, avoid gear and switch. 2-way/3-way electric operated Valve2-port/3-port auto shut off eletric ball ... Basic Information:Product/Service (We Sell): electric valve,motorized valve,industrial valve,manual valve,pneumaticvalve/air actuator,automatic valve,actuator,IC card water meter,RF ...