How to connect the external line of the pneumatic wafer butterfly valve fd? The main reason why many people choose to purchase pneumatic butterfly valves is that they have good effects on liquid media, are more suitable for large diameter gases, and do not accept the impact of the pressure of air and air pressure. The main reason why some people do not want this pneumatic butterfly valve device is that its cost is high.
、 Of course, if it is purchased, if it is within the maintenance period, it can be directly sent back to the company, and we will give you a satisfactory answer. Therefore, the equipment supervision engineer summarized the fault from the actuator in the electric three-way butterfly valve:
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