Calculation formula: ΔP = λ·(L/D)·(ρv²/2) + Σξ·(ρv²/2)
Where:
λ - coefficient of hydraulic friction (depends on the material and flow regime)
L - pipeline length
D - internal diameter of the pipeline
ρ - density of water (1000 kg/m³)
v - water flow speed
Σξ - sum of local resistance coefficients