1,the butterfly valve has a spherical surface of the lining PTFE packaged butterfly plate, and the valve is light. It has tight sealing performance, long service life, and can be used for quick cutting off or adjustment of the flow. It is suitable for the occasions requiring reliable sealing and good adjustment.
2,The valve body adopts a split style, and the sealing at both ends of the valve shaft isc controlled by rotating base between the butterfly plate and the valve seat added with fluorine rubber, to ensure the valve shaft is not in contact with a fluid medium in the cavity.
3,It is widely used in the delivery of a variety of different types of industrial pipeline liquid and gas (vapor), where severe corrosive media are used, such as sulfuric acid, hydrofluoric acid, phosphoric acid, chlorine, alkali, aqua regia, etc. with a strong corrosive.