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Pneumatic fluorine fluorine regulator is an anti-corrosion through the single-seat control valve, the valve body contact with the fluid wall and valve components are used high-pressure injection molding process, lined with corrosion-resistant, anti-aging poly FEP, Also used /. Bellows seal. Pneumatic membrane valve is widely used in acid, alkali and other corrosive media and toxic, volatile and other gases, liquids control. Corrosion-resistant pneumatic valve its main features are as follows: