What is the significance of the specified value in a Pressure Relief Device?

The specified value in a Pressure Relief Device (PRD) is crucial as it indicates the safe operating pressure limit for the system. This value serves as a critical setting that ensures the device will activate and relieve pressure within the system before it reaches a dangerous level. If pressure surpasses this designated limit, the PRD will open to prevent potential explosions or catastrophic failures, thus ensuring safety in storage and usage of gases.

Understanding this function highlights the importance of regular maintenance and inspections of PRDs to ensure they are functioning correctly and set to the appropriate pressure limits. The safe operating pressure protects both equipment integrity and personnel safety, making it a fundamental aspect of managing gaseous systems effectively.