How to replace the diaphragm of CNYC manual diaphragm valve?

1. Turn the handle counterclockwise to open the valve;

2. Remove the valve body with four sets of screws;

3. Turn the handle clockwise to close the valve;

4. Rotate counterclockwise to remove the old diaphragm;

5. Install a new diaphragm, tighten it clockwise, and pay attention to the installation direction of the diaphragm;

6. Rotate the handle counterclockwise to open the valve and close the diaphragm to the manual actuator seat;

7. Install the valve body and tighten four sets of screws diagonally;

8. Rotate the handle clockwise to close the valve. The valve needs to be checked for leaks.