H40F46 fluorine-butterfly check valve is vertical check valve, adapted to the vertical piping installation, apply to - 50 ℃ ~ 150 ℃ of aqua regia, various concentration of sulfuric acid, hydrochloric acid, hydrofluoric acid and various organic acid, strong acid, strong oxidizer, FEP vertical fluorine-butterfly check valve also apply to all kinds of organic solvent concentration of alkali and other corrosive gas and liquid medium used on the pipeline. The valve of the opening and closing member is opened or closed by the flow of the medium and the force to prevent the back flow of the medium from being called a check valve. Check valves are automatic valves, mainly used on pipes with one-way flow of media, allowing only the media to flow in one direction to prevent accidents.
