What is the primary function of a safety relief valve?

A safety relief valve plays a crucial role in maintaining the safe operation of boilers and pressure vessels. Its primary function is to prevent excessive pressure within the system. When the pressure exceeds a predetermined limit, the safety relief valve automatically opens to release steam or fluid, thereby preventing potential equipment failure or catastrophic incidents such as explosions.

This mechanism ensures that the pressure is kept within safe limits, thus protecting the integrity of the boiler and ensuring safe operation. Understanding this function highlights the importance of regular maintenance and inspection of safety relief valves to ensure their effective performance in real-world applications.