Valve electric device is an indispensable actuator in the industry. It can realize remote control and near-control automatic function through the control box of external power supply or external input signal, computer DCS, computer PLC and other signal sources.

The actuator consists of two parts: the actuator and the adjustment mechanism (also known as the control valve). The types and configurations of the adjustment mechanisms for various actuators are roughly the same, the main difference being the different actuators. The adjustment mechanism uses a va......