motorized ball valve 12V, DN20, with manual switch, 2 way, electrical valve,brass Description:This listing includes 1 ... , brass, with manual switch. Application:1.HVAC 2.Water treatment 3.Chemical process 4.Small equipment for automatic control 5.Replacing solenoid ... position (fully closed) motorized ball valve 12V, DN20, with manual switch, 2 way, electrical valve,brass