Fluorine-lined globe valve refers to the valve in which the opening and closing parts (disc) are driven by the valve stem and do lifting movement along the central axis of the valve seat, which is a commonly used cut-off valve, which is mainly used to connect or cut off the medium in the pipeline, and is generally not used to adjust the flow. The basic structure is: J41 straight-through type, J44 right-angle type, J45 DC type. Fluorine-lined globe valve has the characteristics of compact structure, flexible opening and closing, strong corrosion resistance and short stroke, and is widely used in chemical, petroleum, pharmaceutical, food, steel, smelting, papermaking, hydropower, environmental assurance and other seriously corrosive occasions.