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Hydraulic model testing – benching angle

Hydraulic model testing: The right benching angle for a waste water treatment plant.

A problem not only the operators of waste water treatment plants are aware of: Sewage, grey water and surface water often contain solids. As the flow velocity decreases when the fluid leaves the inlet line, solids increasingly deposit in the pipelines. This can be prevented by floor slopes (also known as "benching"). What benching angle works best has been investigated by KSB in a hydraulic model test. Read on to find out more.