Pneumatic square ventilation butterfly valve indicates the cause of electric actuator failure?

2、 Defects of butterfly valve
1. The range of applied working pressure and operating temperature is small.
2. The airtightness is weak.

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1、 Precautions for purchase of electric plug valve Many people need to purchase this machine because plug valves are used in many aspects. However, due to the large market demand, there are many fake and inferior products in the market, so there are still some problems to pay attention to when purchasing, first is the valve model, Different use needs naturally mean using different models. If you buy the wrong model, it is meaningless to investigate the fake and inferior products. If the model is wrong, it can not be used normally. At the end of the purchase, you should ask the manufacturer to see the design drawing and carefully check the product for purchase. 　　

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