Arbeitsüberdruck

Arbeitsüberdruck, a German term, translates to "working overpressure" or "operating overpressure" in English. It refers to the gauge pressure that a system or component is designed to withstand and operate under during normal functional conditions. This pressure is typically measured relative to the ambient atmospheric pressure. Understanding Arbeitsüberdruck is crucial in the design, manufacturing, and operation of various mechanical and industrial systems, particularly those involving enclosed volumes or fluid dynamics.

The Arbeitsüberdruck is a key parameter that dictates the material strength requirements, wall thickness, and overall construction of pressure vessels, pipelines, and other pressurized equipment. It is distinct from the test pressure, which is usually higher and applied during hydrostatic or pneumatic testing to ensure the integrity of the system before it is put into service. Exceeding the Arbeitsüberdruck during operation can lead to system malfunction, component failure, or safety hazards. Therefore, safety devices like relief valves are often set to activate at pressures slightly above the Arbeitsüberdruck to prevent over-pressurization.