What is the primary purpose of a pressure relief valve?

The primary purpose of a pressure relief valve is to protect the system from overpressure by releasing excess air. In pneumatic systems, maintaining the correct pressure levels is crucial for safety and operational efficiency. If the pressure exceeds a predetermined level, the pressure relief valve automatically opens to allow air to escape, thereby preventing potential damage to the system or components. This protective measure helps avoid malfunctions, ruptures, and other hazardous conditions associated with excessive pressure. By ensuring that pressure remains within safe limits, the pressure relief valve plays a vital role in maintaining the integrity and reliability of the pneumatic system.