The fluorine-lined discharge valve is mainly divided into: up-spread discharge valve, bottom-spread discharge valve, and discharge ball valve. Suitable for corrosive media. The upward spread type is used for discharging the reaction kettle with agitator (except the frame type anchor type); while the downward spread type and the plunger type are used for the discharge of the reaction kettle with the frame type anchor type agitator. The sealing surface is made of erosion-resistant and corrosion-resistant materials, and special treatment is carried out to make the surface hardness reach HRC48-52, which has the functions of high wear resistance and corrosion resistance, and ensures the sealing reliability of the valve. The upward unfolding discharge valve is opened by the upward movement of the valve disc. When opening, the valve needs to overcome the force of the medium, and the opening torque is larger than the closing torque. The downward-spreading and plunger-type discharge valves open the valve by moving the valve disc (plunger) downward. When opening, the moving direction is the same as the force of the medium, so the opening torque is smaller than the closing torque.

 The fluorine-lined discharge valve adopts fluoroplastic lining technology, and the valve body adopts investment casting, which has high strength and smooth appearance. All the overcurrent parts in contact with the liquid are fluoroplastics, so it can be used for a long time in the range of -50℃～180℃ It can be used in various concentrations of aqua regia, sulfuric acid, hydrochloric acid, hydrofluoric acid and various organic acids, strong acids and strong oxidants. FEP is also suitable for various concentrations of strong alkali organic solvents and other corrosive gases and liquid media. used on the pipeline.