Butterfly valves are mainly used in industrial pipelines for regulation and shutoff. When it comes to the structure of butterfly valves, they are actually similar to ball valves and gate valves.
The structure of butterfly valves is mainly divided into five parts: valve body, valve disc, valve shaft, sealing ring, and transmission device.
Among them, the valve body can also be divided into flange type, wafer type, semi-flange type, etc.