Pump-Lexicon

Leakage

Definition: A leakage designates a leak, such as a hole in a system through which fluids, gases or solids can enter or escape willingly.

In pump systems, great attention is paid to avoid leakages, particularly when the unintended exit of delivered media translates into hazards for humans, the environment or the installation, or when the medium has a very high value.

The leakage rate indicates the size of the leak; the leakage flow is measured in liters per minute or cubic meters per hour. Substantial factors for the leakage flow are the diameter of the leak and the pressure difference.

A leak can be caused by a torn hose or broken pipe system due to overpressure, the failure of a flange or even a torn weld seam. Differences in the measurement of pressure and flow rate at different points of the overall system can indicate leakages.

 

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