Commonly used valve introduction butterfly valve The butterfly valve is a kind of valve that is used to open, close and adjust the fluid channel by rotating the disc type opening and closing part about 90°.
Advantages:
1, simple structure, small size, light weight, consumables, do not use in large diameter valves;
2, fast opening and closing, small flow resistance;
3, can be used with suspended solid particles of the medium, according to the strength