What type of system should utilize pressure relief valves?

The correct choice for utilizing pressure relief valves is a gridded wet system. In this type of system, the pressure relief valves serve a crucial function by preventing excessive pressure buildup. Gridded wet systems are designed to maintain a specific water pressure across the fire protection network, ensuring that all sprinkler heads operate effectively.

When the water supply or pressure fluctuations occur, such as when a valve is closed inadvertently or a line is compromised, the pressure relief valves provide a mechanism to alleviate that pressure, thus protecting the system from damage due to overpressure conditions. This proactive design feature helps to safeguard the overall integrity of the sprinkler system, preventing leaks or ruptures that could impair its function.

In contrast, while dry pipe systems, deluge systems, and standpipe systems each have their own set of operational needs and safety mechanisms, they do not typically require pressure relief valves in the same capacity as gridded wet systems. Dry pipe systems operate with pressurized air or nitrogen in the pipes until the activation of a sprinkler head. Deluge systems utilize open sprinkler heads that release large amounts of water simultaneously, while standpipe systems mainly focus on providing water flow for manual firefighting efforts. Each of these systems has alternative mechanisms to manage pressure, making pressure relief