NFPA-99 Practice Exam 2025 – The All-in-One Guide to Exam Success!

The pressure relief valve is a critical component in a manifold system because it serves a vital safety function. Its primary purpose is to prevent excessive pressure buildup within the system, which could lead to catastrophic failures or dangerous situations such as equipment rupture or leaks. During routine maintenance, verifying that the pressure relief valve operates effectively ensures that it can accurately respond to pressure changes and release excess pressure as needed.

This component is integral to maintaining the safety and reliability of the entire manifold system. Proper functioning of the pressure relief valve contributes to the overall stability of the gas delivery system, which is essential in healthcare facilities where uninterrupted gas supply is crucial for patient care.

While the check valve, flow meter, and regulator also play important roles in the manifold system—by preventing backflow, measuring gas flow, and controlling gas pressure respectively—ensuring the pressure relief valve is functioning correctly is paramount for safety considerations during maintenance activities.