What type of valve uses a spring-loaded pilot valve?

The discharge pressure relief valve is designed to safeguard a system by releasing fluid when the pressure exceeds a predetermined level. The incorporation of a spring-loaded pilot valve enables precise control of the pressure at which this release occurs. The pilot valve responds to the system pressure, and when it reaches a threshold that exceeds the set limit, the pilot activates, allowing the main discharge valve to open.

This mechanism ensures that excess pressure is vented safely, preventing potential damage to the system. Proper functioning of the discharge pressure relief valve is critical in maintaining operational safety and integrity, particularly in high-pressure applications. The design effectively balances the spring tension and the fluid pressure, making it an essential component in pressure regulation.