Free flow flow-rate for CISRCULAR cross section pipes

The app returns the flov velocity and flow rate in a circular cross-section pipeline in free-flow conditions for various materials
Inclination
Design flow-rate

EuroSewer
UNI EN 13476-3
PE
DN/OD
EuroSewer
UNI EN 13476-3
PE
DN/ID
Normopipe
UNI EN 1401
PVC-U
DN/OD
Normopipe
UNI EN 12666
PE
DN/OD