A butterfly valve is a valve which can be used for isolating or regulating flow. The closing mechanism takes the form of a disk. Operation is similar to that of a ball valve, which allows for quick shut off. Butterfly valves are generally favored because they are lower in cost ...

Dongying Lake Petroleum Technology Co., Ltd    [Manufacturing & Processing Machinery]   [Mining Machinery Parts]   [2018-01-13 09:23:08 ]