Manual flange type fluorine-lined butterfly valve (center line)

The fluorine- lined butterfly valve adopts a fluorine-lined plastic -lined butterfly plate with a spherical sealing surface, and is matched with a silicone rubber gasket at the base of the valve seat to adjust the sealing performance of the valve; the valve is easy to operate, has tight sealing performance, and prolongs its service life; it can be For quick cut off or flow regulation. Suitable for applications requiring reliable sealing and good regulation characteristics.

The valve body adopts a split type, and the sealing of the valve shaft is controlled by the rotating base surface between the butterfly plate and the valve seat plus fluorine rubber, so as to achieve a compact product structure, beautiful appearance, reasonable process and reliable performance. To ensure that the valve shaft is not in contact with the fluid medium in the cavity, it is very convenient to replace the valve shaft, and the valve does not need to be detached from the pipeline to complete. The product is widely used in the transportation of liquid and gas (including steam ) in various types of industrial pipelines , especially in the use of severely corrosive media such as sulfuric acid, hydrofluoric acid, phosphorus, acid, LU gas, strong alkali, aqua regia and other highly corrosive media.