Welcome to our American ANSI/API Butterfly Valves' product catalog. We are specialized in researching and development and manufacturing all kinds of AANSI/API Butterfly Valves, Our Butterfly Valves are made of a variety of materials such as: Cast Iron, Ductile Iron, Cast Steel, Forged Steel, Stainless Steel and Bronze. You can find ANSI/API Butterfly Valves here: Tripe Eccentric Butterfly Valve. butterfly valve is a type of flow control device, used to regulate a fluid flowing through a section of pipe. The valve is similar in operation to a ball valve. A flat circular plate is positioned in the center of the pipe. The plate has a rod through it connected to a handle on the outside of the valve. |