Electric Flow Control Valve 2/3/5/7 Wires Female 1/2'' Actuated Ball Valve For Water Home Work ,Safe Mode

All-copper gear design, high accuracy output torque, especially for multi-channel scaling system. Small size, compact structure. Long servise life -- More than 100,000 circles. A variety of control methods, either to accept remote valve position control signal, but also the feedback Signal in place for computer intelligence unit testing. Good sealing performance