What is the primary purpose of a muffler in a pneumatic system?

The primary purpose of a muffler in a pneumatic system is to reduce noise. Pneumatic systems often generate significant sound levels during operation due to the rapid movement of air and the release of compressed air, which can be disruptive and harmful to the environment and personnel. A muffler is specifically designed to dampen these sound waves, making the operation of the equipment quieter and more tolerable.

While filtering air and controlling airflow are important functions in various pneumatic systems, they are not the primary focus of a muffler. Similarly, increasing pressure is not a function of a muffler; instead, it is associated with other components, such as compressors or regulators, that handle the compression and management of air pressure within the system. The muffler's main role is centered around sound attenuation, ensuring a more pleasant working environment.