What should be the primary concern when positioning pressure relief valves?

The primary concern when positioning pressure relief valves is to protect surrounding structures. Pressure relief valves are critical safety components designed to prevent excessive pressure build-up in a system, which could lead to catastrophic failures such as explosions or ruptures. By correctly positioning these valves, it ensures that any released gas or pressure is directed away from any nearby structures or personnel, significantly reducing the risk of damage and ensuring safety.

While accessibility is a valid consideration, it is secondary to the essential need for safety. Noise minimization, although relevant in certain applications, does not outweigh the necessity of protecting people and property from high-pressure events. Similarly, maximizing the pressure that a valve can handle is important in ensuring it functions properly, but the foremost priority remains the safety of the surrounding environment during a relief event. Thus, the protection of surrounding structures is paramount in determining the appropriate placement of pressure relief valves.