What are the supporting tools for Rack&Pinion pneumatic actuators?

Rack&Pinion  pneumatic actuators  do not work alone during the execution process. They also require supporting tools to work together. So, what are the supporting tools?

According to the requirements of the control system, Pneumatic Actuators are often used in conjunction with pneumatic valve positioners, electric pneumatic converters, and electric pneumatic valve positioners. The pneumatic valve positioner is used in conjunction with the Pneumatic Actuator to form a closed-loop system. The feedback principle is used to improve the positioning accuracy and sensitivity of the regulating valve, and to overcome the frictional force of the valve stem and the unbalanced force of the medium with high power. This can improve the regulating quality of the entire regulating system. When the regulator outputs an electrical signal, the electric pneumatic valve positioner can play two roles: one is to convert the electrical signal into an air pressure signal, and the other is the role of the pneumatic valve positioner. An electric pneumatic converter can convert electrical signals into relative pressure signals. That is, if the regulator outputs a standard electrical signal and the actuator must use a pneumatic actuator, an electric pneumatic converter is needed to allow the regulator to operate the pneumatic actuator.

In summary, the matching tools of Rack&Pinion  pneumatic actuators  can help them better complete their work.