What is the structure of pneumatic butterfly valve in life?
We have seen and understood a lot about pneumatic butterfly valves on the market today, but are we really clear about their structure? Today, our editor will share with you, please see below:
The pneumatic butterfly valve is of curved bag structure, and the number of curved bags is usually 1~3. However, it can also be designed to form sleeve type, membrane type, and band type pneumatic butterfly valves according to needs, and can also be used to stack two pneumatic butterfly valves under certain conditions. The end structure of the existing curved bag pneumatic butterfly valve can be divided into three categories according to the connection mode: one is the fixed flange connection type, the edge size of both ends of the pneumatic butterfly valve is equal to or slightly smaller than the maximum outer diameter of the curved bag, and the flange ring and end plate are used for fastening connection after drilling several holes; The other type is the looper flange connection type. The size of the edges at both ends of the pneumatic butterfly valve is much smaller than the maximum outer diameter of the curved capsule, and there is no need to drill holes. A special flange ring is used to fasten the connection with a common end plate; The third type is a self sealing type, which is not connected by flange, but is pressed into the end plate and self sealed when compressed air is filled. Pneumatic butterfly valves are widely used in the self conditioning air suspension of commercial cars, buses, rail vehicles, machinery equipment and building bases. Pneumatic butterfly valve
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