What is the primary function of a pneumatic actuator?

The primary function of a pneumatic actuator is to convert compressed air energy into mechanical motion. This conversion process allows pneumatic actuators to generate movement, which is critical in numerous industrial applications, such as controlling valves, moving cylinders, and operating machinery.

By utilizing compressed air, these actuators can produce linear or rotary motion, making them versatile components in automation systems. The use of compressed air as a power source also provides benefits such as cleanliness (since air is used rather than hydraulic fluids) and a relatively quick response time, making pneumatic actuators ideal for various operational needs in manufacturing and processing environments.

In contrast, storing compressed air is a role typically managed by air tanks or reservoirs, regulating air temperature is handled within specific climate control systems, and filtering contaminants from air falls under the responsibilities of air filtration systems. Therefore, while the other options involve important aspects of pneumatic systems, they do not represent the core function of pneumatic actuators.