Butterfly Valve in stock VP鈥檚 handle butterfly valve has the advantages of simple structure, small volume and light weight, and is only composed of a few parts. Moreover, the valve can be opened and closed quickly only by rotating 90 掳, and the operation is simple. At the same time, the valve has good fluid control characteristics. When the butterfly valve is in the fully open position, the butterfly plate thickness is the only resistance when the medium flows through the valve body.