What is the function of a pressure relief valve in a boiler?

The correct function of a pressure relief valve in a boiler is to relieve excess pressure. Boilers operate under high pressure, and if the pressure exceeds safe levels, it can pose significant risks, including explosions or system failures. The pressure relief valve serves as a safety device that automatically opens to release steam or water when the pressure rises above the predetermined limit. By allowing this excess pressure to escape, the valve helps maintain safe operating conditions within the boiler and prevents potentially dangerous situations.

Understanding the role of a pressure relief valve is crucial in the context of boiler safety and efficiency. This component ensures that the pressure remains within safe parameters, thereby protecting the entire system and its operators.