14 m-radialdiaphragmvalve-en-02
NOTE! Alternatively, if steam is not available in your process system, please refer to
technical bulletin 19-1000 (Appendix A).
Remove the diaphragm
1. Open the valve.
2. Remove the clamp.
3. Close the valve until the position indicator is flush with the handle or until the travel
marks are covered by the handle. Place the actuator handle down on a flat surface to
ensure that the position indicator is flush with the handle.
Position indicator
(Flat surface)
4. Remove actuator and diaphragm assembly from the valve body by grasping the
diaphragm edge and pulling downward from the valve body.
5. Turn the diaphragm counter-clockwise to unscrew and remove from the actuator.