pneumatic fluorine-butterfly butterfly valve with the spherical sealing surface lining fluoride plastic composite disc, seat at the bottom of the silicone rubber gasket to adjust the valve sealing performance; Pneumatic fluorine-butterfly butterfly valve with convenient operation, good sealing performance, long service life, can be used to quickly cut off or adjust flow. Pneumatic fluorine-butterfly butterfly valve is suitable for sealing is reliable, good regulation performance. In order to ensure the valve spindle is not contact with cavity fluid, replace the valve spindle is very convenient. Shaft seal at the ends of the valve body adopts the split type, by the rotation between the butterfly plate and valve seat base and fluorine rubber control, make the product compact structure, beautiful shape, reasonable process, reliable in performance. Without removing the valve from the piping to be removed. Widely used in all kinds of industrial pipe conveying fluid and gas ( Including steam) , especially in hydrofluoric acid, phosphorus acid, chlorine, alkali, corrosion medium, etc.

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