The three major check principles of fluorine lined check valves

  check valve It is an automatic anti-corrosion valve that relies on the flow of the medium itself to automatically open and close the valve disc to prevent the reverse flow of the medium, also known as a check valve or one-way valve. There are different types of check valves, and their check principles also vary. There are generally three types: lift check principle, float check principle, and swing check principle. Lift type check valve: The structural feature is that the fluorine lined valve disc moves vertically to the inlet and outlet axis of the valve body, and its advantage is the good sealing performance of the check valve. Float ball check: It is a new type of structure with a spherical valve disc. Its characteristic is that the fluorine lined float ball moves up and down along the axis of the valve body passage, and the liquid can only flow vertically upward. Once the liquid stops flowing vertically upward, the float ball automatically drops to its original position by its own weight, combined with the sealing ring inside the valve body, causing the valve to automatically close. Swing check: Its valve disc rotates around the axis outside the valve seat to open and close, preventing medium backflow. The shaft and valve disc are designed as one unit, with all fluorine lined shafts embedded in a special groove formed between the valve body and valve cover, providing flexible opening and closing and reliable sealing.
 

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