The valve is small in size and light in weight. It can be used as a device to cut off and regulate flow in various medium pipelines. By choosing valve plates and seals of different materials, as well as pinless connections between plates and shafts, it can be used in worse working conditions, such as desulfurization, vacuum, seawater desalination system, etc. The butterfly valve with lug-to-clip can realize on-line repair of downstream pipeline and equipment of the valve, and the valve can be installed at the end of the pipe for use as an exhaust valve.

This valve is suitable for petroleum, chemical industry, food, medicine, papermaking, hydropower, ship, water supply and drainage, smelting, energy and other systems. It can be used as regulating and closing equipment on a variety of corrosive, non-corrosive gases, liquids, semi-fluids, solid powder officers and containers.