Electric Ball Valve, Mini Electric Ball Valve, Electric Butterfly Valve manufacturer / supplier in China, offering Electric Motor Operated Automatic Proportional Control Ball Valve 2-Way PVC Union Actuator, Compact 90 Degree Rotary Regulation High Speed 24V 4-20mA DC Motorized Electric Quarter Turn Rotary Actuator for Ball/Butterfly Valve, Failsafe to Close AC/DC24V 50nm 90 Degree Electric Valve Actuator on/off Type Motorized Control Electric Actuator and so on.