Rohrleitungsprüfung

Rohrleitungsprüfung, also known as pipeline testing, is a crucial process in the construction and maintenance of piping systems. Its primary objective is to ensure the integrity, safety, and reliability of pipelines before they are put into service or after repairs. These tests verify that a pipeline can withstand intended operating pressures and is free from leaks or structural weaknesses.

Common types of Rohrleitungsprüfung include hydrostatic testing and pneumatic testing. Hydrostatic testing involves filling the pipeline with a liquid, typically water, and pressurizing it to a level significantly above the normal operating pressure. This allows inspectors to detect any leaks or signs of deformation. Pneumatic testing uses a gas, usually air or nitrogen, to pressurize the pipeline. While potentially more hazardous due to the stored energy of compressed gas, it can be advantageous in situations where water is undesirable or difficult to remove.

Other important tests include leak testing, often conducted with specialized detectors or tracer gases, and integrity testing, which might involve visual inspections, ultrasonic testing, or radiography to identify material defects or weld flaws. The specific methods and pressures used for Rohrleitungsprüfung are determined by industry standards, regulatory requirements, and the intended application of the pipeline, such as for oil and gas transport, water supply, or chemical processing. Successful completion of these tests is essential for preventing environmental damage, ensuring public safety, and avoiding costly operational failures.