1. Angular stroke electric device
The angular stroke electric device is used in conjunction with the rotary valve. The rotation of the output shaft of the rotary electric device is less than one revolution, that is, <360 degrees. For example, the rotation angle of butterfly valves, ball valves and plug valves is usually less than 90 degrees. The rotary electric device can realize the opening and closing process of the valve by rotating at 90 degrees.
According to the installation interface mode, the angular stroke electric device is divided into two types: a direct-connected electric device and a base crank electric device. The output shaft of the direct-connected electric device is directly connected with the valve stem of the valve, while the base crank electric device is connected to the valve stem through the crank.
