Description of the relevant knowledge of electric butterfly valve

Electric butterfly valve (English name: ElectronicButterflyValve), is one of electric valve and electric control valve. The connection mode of electric butterfly valve mainly includes: flange type and wafer type. According to transmission mode, it can be divided into manual, gear transmission, pneumatic and liquid. Several types of electric and electric motors are important execution units in the field of industrial automation control.

The structure and working principle of the electric butterfly valve:

Usually, the angular stroke electric actuator (0~90° partial rotation) and the butterfly valve are mechanically connected as a whole, and are assembled after commissioning.

According to the action mode, there are: switch type and adjustment type.

The switch type is directly connected to the power supply (AC220V or other power supply level) through the switch forward and reverse steering to complete the switching action.

The adjustment type is powered by the AC220V power supply, and receives the preset parameter value of the industrial automation control system of 4~20mA (0~5 and other weak current control) signals to complete the adjustment action.