Three Way Electric Operated Ball Valve , 1/4 to 1 inch, ... and F type are availableApplications:HVACWater treatmentSmall equipment for automatic controlReplacing solenoid valve, particularly when solenoid cannot work reliablyTechnical ... automatic valve, control valve, shut off valve, hydraulic valve, electric valve, electronic valves. KLD20P 3 Way(B) Electric Operated Ball Valve for automatic control, ...