How often should HP piping expansion joints be inspected?

The correct answer is weekly because the inspection frequency for high-pressure piping expansion joints is critical to ensuring their integrity and function. High-pressure systems experience significant thermal changes, pressure variations, and mechanical movements that can lead to wear and potential failure of the expansion joints.

Weekly inspections allow for early detection of issues such as leaks, wear, or deformation that could compromise the safety and efficiency of the boiler system. This proactive approach minimizes the risk of failures that could lead to costly repairs or even catastrophic incidents. In high-pressure environments, where safety is paramount, a more frequent inspection schedule—like weekly—is essential to maintain operational reliability and adhere to safety regulations.

Other options may not provide the same level of oversight; for instance, daily inspections might be excessive, leading to unnecessary use of resources. Monthly or annual inspections could allow for issues to develop unnoticed between checks, potentially increasing the risk of a malfunction or failure. Therefore, weekly inspections strike an appropriate balance by ensuring thorough oversight while not being overly burdensome.