Butterfly Valve

Butterfly Valve is a commonly used fluid control Valve, its structure is simple, small size, light weight, easy to operate, can be quickly switched on and off, widely used in petroleum, chemical, metallurgy, electric power, light industry, food, medicine and other industries of liquid, gas and solid particles control and regulation. The main characteristics of butterfly valve are good sealing, small flow resistance, long service life, easy installation and maintenance, and relatively low price, so it is widely welcomed. Its main components include valve body, valve stem, valve disc, sealing ring and so on. There are many kinds of butterfly valves, which can be divided into flange connection type and thread connection type according to the installation method; According to the structure, it can be divided into centerline type, double eccentric type, three eccentric type, etc. According to the material can be divided into cast iron, carbon steel, stainless steel, alloy steel and so on.