... way/3-way electric operated Valve2-port/3-port auto shut off eletric ball valveSize: 1/4",1/2",3/4", ... -control watersystem,industrial mini-auto equipment, Small equipment for automatic control4.Irrigation equipment,drinking water equipment,solar water heaters,washing ... ,motorized valve,industrial valve,manual valve,pneumaticvalve/air actuator,automatic valve,actuator,IC card water meter,RF card water ...