The explosion-proof electric actuator features the electric explosion-proof ball valve provided by Shanghai Dongfeng Pump Valve Co., Ltd. The default explosion-proof level of its actuator is ExdII BT4. If the customer wants other explosion-proof levels, it can adopt the customized form. The driving power supply is 220V AC power supply, and the current signal is 4-20mA. When the valve moves to the required position, its automatic control can be realized, and the rotation demand of 0-270 degrees can be completed.

When the butterfly valve is used under special working conditions, such as saving conditioning or requiring strict sealing, or severe wear, low temperature (cryogenic) and other working conditions, it is necessary to use a special butterfly valve with specially designed metal seal and conditioning device for three or two biases.