Design Notes
Inputs
Design Flow: 50 L/min (0.83 L/s)
Primary Pipe
Diameter: 40 mm
Length: 50 m
Material: PVC
Roughness ε: 0.007 mm
Static head: 2.5 m
Starting pressure: 0 kPa
Flow range: 0 – 150 L/min
PVC(0.0015–0.007 mm)
0.000
Minor losses selection (ΣK 0.00)
Gate valve (open)
K 0.15
0
0.00
Ball valve (open)
K 0.05
0
0.00
Check valve
K 2.00
0
0.00
90° bend (long radius)
K 0.90
0
0.00
45° bend
K 0.40
0
0.00
Tee (through/branch avg.)
K 1.00
0
0.00
Inlet (sharp-edged)
K 0.50
0
0.00
Outlet (to reservoir)
K 1.00
0
0.00
Expansion (typical)
K 0.50
0
0.00
Contraction (typical)
K 0.50
0
0.00
Parallel branches
System Curve and Pump Curve Overlay
Q (L/min)L/s