API Butterfly Valve

API Butterfly Valve

API butterfly valves are the valves which have been manufactured complying with the idea by the American Petroleum Institute. Or it can be said that the API butterfly valves are the energy saving products.

Generally speaking, the API butterfly valves have several connection types such as clamp, flange, welding, protruding ear type (socket around body) and so on. The major components of this kind valve are the seat, shaft, bearing, o-ring, taper pin, plug and the bush. They cooperate to take effects. In most cases, the aluminum bronze, monel, carbon steel and duplex stainless steel are applied to manufacture the API butterfly valves. Besides, the API butterfly valves can be operated by the hand lever, gearbox and actuator. No matter what, the specific type of the API butterfly valves should be operated by the specific instruction.

API butterfly valves are widely used in the pipe line of metallurgy, power, petrochemical and drainage and ministry construction. They are popular because they are able to perform regulating flow and cutting medium. And API valves are divided to metal to metal seal and soft seated two types and can be lined with rubber or fluorine.