Detailed Analysis of Butterfly Valve Knowledge: Structure, Principle, Advantages and Disadvantages, and Installation Methods

The butterfly valve, also known as the flap valve, is a simple type of regulating valve. Its closing element (valve disc or butterfly plate) is in the form of a circular disc and is opened and closed by rotating around the valve axis. This type of valve is suitable for controlling various fluids, including air, water, steam, as well as various corrosive media, slurries, oils, liquid metals, and radioactive media, etc.