Category | Turbulent flow | Laminar flow |
| Straight pipes | The program uses for the whole turbulent area the formula of
Prandlt-Colebrook. Alternatively you can use formulas from
Blasius/Nikuradse/Karman/Moody or Churchill. Bohl, Kauder | RRZ = 64/Re Bohl, Leichtbau |
| Pipe entrance | Bohl | Idelchik |
| Changes of section | Bohl, Wagner, Idelchik | Idelchik |
| Bends | Krüger, Dubbel, Idelchik | Leichtbau, Dubbel, Idelchik |
| Brandings of current | Leichtbau, Bohl, Wagner | Leichtbau, Bohl, Idelchik |
| Bellows | Bohl | Bohl |
| Valves | 2K, Crane, Wagner | 2K, Crane, Wagner, Bohl |
| Check valves | 2K, Crane | 2K, Crane |
Nozzles and orifices | ISO 5167, Idelchik, Brandt | ISO 5167, Idelchik, Brandt |
| Perforated plates | Idelchik, Brandt | Idelchik, Brandt |
| Strainers and grids | Idelchik, Manufacturer | Idelchik, Manufacturer |