A butterfly valve is a flow regulating valve. A butterfly valve is a valve in which the obturator rotates around an axis that is at right angles to the direction of flow, and when opened, fluid bypasses the obturator....

When selecting the material of the main parts of the valve, the physical properties (temperature, pressure) and chemical properties (corrosiveness) of the working medium should be considered first. You should also know how clean the media is...

The butterfly valve is also called a flap valve. Due to its compact size, it is especially suitable for places where space is limited. It is used in pipelines with large flow and small resistance. ...