Catalogue EN 4.1
KESSEL AG
If the sewage is higher than the drainage
point, the wastewater must be lifted to
the sewer with a lifting station via a back-
water loop.
Is your system to be installed inside or outside
the building?
Backwater level
Public
sewer
No slope to the sewer
Lifting stations: page 102
Inside the building
Lifting stations: page 102
Backwater level
Public
sewer
Slope to the sewer
Hybrid lifting stations: page 66
Individual protection
Each drainage location, such as washbasins,
showers or washing machines, is protected with
its own backwater protection.
Outside the building
Pumping stations: page 134
Central protection
Backwater valves or lifting stations installed
in the main wastewater pipe, protecting all
drainage fixtures.