31
Wavin AS+
Technical Manual
Backflow
Connection pipes installed next to or opposite each other must be protected to prevent backflow. DIN 1986-10 contains
corresponding suggestions for a hydraulically correct connection to a downpipe, as shown in the following illustrations.
Fig. 17: Example of hydraulically correct connection to a downpipe.
WC + other drainage object
Opposite WC
Minimum dimensions
• Height offset not necessary
• Max. angle 90º
Branch DN 100
Example with Wavin AS+
Cornerbranch with reducer
Different branches
Example with Wavin AS+
Branch DN 100
Branch DN 100
Example with Wavin AS+
Double branch DN 100
Minimum dimensions
• Height offset min. 20 cm
• Max. angle 180º
Minimum dimensions
• Height offset not necessary
• Angle exactly 180º
< 90º
< 180º
180º
A
B
C
