Fourth, driven by 5~7bar compressed air, it can work at temperatures as low as - 30 ℃ and as high as 300 ℃. It has played a great role in bio pharmaceutical, machinery, automobile manufacturing and other industrial fields. There are also many ways to connect the pneumatic high-pressure ball valve. For example, flange type, thread type, etc. can meet the different requirements of various customers. 　　　　

Second, choose a strong brand. Because of the structural characteristics of electric switch butterfly valves, they are required to play a very important role in pipeline transportation, which makes people pay special attention to the use of brand products with certain strength when choosing the brand of electric switch butterfly valves, not only to ensure the excellence of their sealing and use effects, It can also provide users with more comprehensive and detailed after-sales service, which is extremely important for the maintenance of electric on-off butterfly valves in various industries.