We are largest valves manufacturers in China and metal disc mounted on a rod. When the valve is closed, the disc is turned so that it completely blocks off the passageway. When the Butterfly valve lever operated is fully open, the disc is rotated a quarter turn so that it allows unrestricted passage. Butterfly valve lever operated may also be opened incrementally to regulate flow. There are different kinds of Butterfly Valves, each adapted for different pressures and different usage.
Read MoreSend Inquiry