Which component helps to control the flow of air in a pneumatic circuit?

Valves play a critical role in controlling the flow of air in a pneumatic circuit. They act as the gatekeepers within the system, regulating when and how much compressed air is allowed to flow to different components, such as actuators and cylinders. By opening or closing the pathways through which air can travel, valves enable precise control over the movement and operation of machinery in a pneumatic system. This control is essential for ensuring the efficiency and effectiveness of pneumatic systems in various applications, from manufacturing to automation processes.

While filters, sensors, and regulators serve important functions—such as removing contaminants from the air, monitoring system parameters, and adjusting pressure levels, respectively—they do not directly control the flow in the manner that valves do. Therefore, valves are fundamental for directing airflow and facilitating the proper operation of pneumatic circuits.