Electric Ball Valve, Mini Electric Ball Valve, Electric Butterfly Valve manufacturer / supplier in China, offering 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, DC24V on off Type 50nm Manufacturer Quarter Turn Electric Valve Actuator for Butterfly Valve and so on.