What is the overpressurization safety valve threshold in PSI?

The overpressurization safety valve threshold is set at 4.0 PSI. This threshold is crucial for maintaining safety within the system by preventing overpressurization, which can lead to equipment damage or failure. The safety valve is designed to open at this specific pressure to allow excess pressure to escape, thereby protecting the overall integrity of the system. Understanding this threshold is important for operational safety and compliance with safety regulations in aviation operations.