How large are DN80 bolts required for installation of pneumatic proportional integral duct butterfly valve? It is well known that pneumatic butterfly valves have developed very rapidly in recent years. Do you know why pneumatic butterfly valves are so popular? Now let's introduce the reason why pneumatic butterfly valves are popular from Shanghai Yoxiliu? First, the butterfly valve has the characteristics of simple structure, small volume, light weight, low material consumption, small installation size, fast switching, 90 ° reciprocating rotation, small driving torque, etc. It is used to cut off, connect, and regulate the medium in the pipeline, and has good fluid control characteristics and closing sealing performance. Second, the butterfly valve can transport mud, and the liquid accumulated at the pipe mouth is the least. Good sealing can be achieved under low pressure. Good adjustment performance. Thirdly, the streamline design of butterfly valve plate makes the fluid resistance loss small, which can be said to be an energy-saving product. Fourth, the butterfly valve stem is a through stem structure. After quenching and tempering treatment, it has good comprehensive mechanical properties, corrosion resistance and scratch resistance. When the pneumatic butterfly valve is opened and closed, the valve stem only rotates rather than moves up and down. The packing of the valve stem is not easy to be damaged and the sealing is reliable. It is fixed with the taper pin of the butterfly plate, and the extended end is designed to prevent the valve rod from collapsing when the connection between the valve rod and the butterfly plate is accidentally broken.
、 The reason why the electric high-pressure butterfly valve has won the market is that some of its advantages are deeply loved by consumers. However, we also need to choose according to the actual needs, which kind of butterfly valve is more suitable for their own working conditions, is the most correct purchase. Relevant information: What should be paid attention to when using pneumatic butterfly valves? How to grasp the key points of selecting pneumatic butterfly valves? Talk about pneumatic butterfly valves. (I) Installation guide of pneumatic butterfly valves is worth seeing if you understand the working principle of pneumatic butterfly valves
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