Let you know what call butterfly valve

Butterfly valve is a kind of Angle adjusting mechanism of the type of stroke. Butterfly valve consists of body, baffle, baffle shaft and the shaft seal and other parts. Butterfly valve flap in the rotation of the shaft to control the flow of fluid. Its simple structure, small volume, light weight, low cost, large flow capacity, especially suitable for low pressure difference and large diameter, large flow gas and with suspended fluid, but leakage is larger. The butterfly valve and equal percentage characteristics similar to, 70 & ordm; After the work is not stable, is not good, so the butterfly valve usually at 0 & ordm; ~ 70摄氏度; Corner within the scope of use. Butterfly valve not only in the oil, gas, chemical industry, water treatment and other general industrial used widely, but also applied to the cooling water system of thermal power plants.