What is the role of quick-disconnect fittings in pneumatic systems?

Quick-disconnect fittings are designed primarily to facilitate the easy connection and disconnection of pneumatic hoses in a system. This convenience allows for rapid changes in equipment or tool attachments without requiring significant downtime or additional tools. They enable operators to quickly switch between different pneumatic tools or restore airflow without the need for specialized skills or equipment, enhancing operational efficiency. The design of these fittings usually incorporates a mechanism that ensures a secure, leak-free connection, promoting safe and effective operation in various applications.

In contrast, the other options do not accurately describe the function of quick-disconnect fittings. While increasing air pressure, stabilizing airflow, and regulating air temperature are important aspects of pneumatic systems, these tasks are achieved through other components such as regulators, valves, and control systems, rather than through quick-disconnect fittings.