What is the use of handle groove butterfly valve?

The handle groove butterfly valve has a unique sealing way and a unique connection way between the rotating shaft and the butterfly plate, which has won the national utility model patent. Widely used in conveying medium pipelines, it plays a regulating role in heating, pipeline, gas, petroleum, chemical industry, water treatment, fire protection, air conditioning, municipal administration, shipbuilding and other engineering systems, and is also suitable for various corrosive liquids, gases, solid powders and other media.