The actuator is suitable for coarse - fine adjustment, typically for batchnig operations or processes.
The actuator has to be spring return
The operation sequences fixed from full open, partial open to full close.
Infinite intermediate positions are possible with the limit switch.
It can be fine tuned to the application easily
The settings can be changed at site with ease, by simply adjusting the third cam provided.
It is applicable for 90° or 180°
Any Rotex spring return actuator can be converted into this arrangement by adding Rotex limit switch along with Rotex NAMUR valve type 30138.
The accuracy and repeatability depends upon the air pressure variation, change in the torque of ball valve, change in density and the pressure of media, etc.