FRICTION LOSS CHARTS - UPVC PIPE CLASS 3 (6 BAR) C = 150 • PRESSURE LOSS (BAR/100 METRES)
Flow l/min
40 mm 36.4 mm 40 mm 1.8 mm
50 mm 46.4 mm 50 mm 1.8 mm
63 mm 59.2 mm 63 mm 1.9 mm
75 mm 70.6 mm 75 mm 2.2 mm
Flow Velocity bar Velocity bar Velocity bar Velocity m/s loss m/s loss m/s loss m/s m3/hr
3.8 0.25 7.6 0.5 11.4 0.75 15.1 1 26.5 1.5 34.1 2 41.6 2.5 49.2 3 56.8 3.5 68.1 4 83.3 5 98.4 6 117.3 7 132.5 8 151.4 9 166.6 10 181.7 11 200.6 12 215.8 13 234.7 14 249.8 15 265.0 16 283.9 17 299.0 18 318.0 19 333.1 20 348.3 21 367.2 22 382.3 23 401.3 24 416.4 25 431.5 26 450.5 27 465.6 28 484.5 29 499.7 30 583.0 35 666.2 40 749.5 45 832.8 50 916.1 55 999.3 60 1082.6 65 1165.9 70 1249.2 75 1332.5 80 1415.7 85 1499.0 90 1665.6 100 1832.1 110 1998.7 120 2165.3 130 2331.8 140 2498.4 150
0.3 0.4 0.5 0.7 0.8 0.9 1.1 1.3 1.6 1.9 2.1 2.4 2.7
0.03 0.06 0.09 0.14 0.20 0.27 0.34 0.52 0.72 0.96 1.23 1.53 1.86
0.2 0.3 0.4 0.5 0.6 0.7 0.8 1.0 1.1 1.3 1.5 1.6 1.8 2.0 2.1 2.3 2.5
0.02 0.03 0.04 0.06 0.08 0.10 0.16 0.22 0.30 0.38 0.47 0.57 0.68 0.8 0.93 1.07 1.21
0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3
0.07 0.09 0.12 0.14 0.17 0.21 0.24 0.28 0.33 0.37 0.42 0.47 0.52 0.57 0.63 0.69 0.75 0.82
0.4 0.5 0.6 0.6 0.7 0.8 0.9 0.9 1.0 1.1 1.1 1.2 1.3 1.3 1.4 1.5 1.6 1.6 1.7 1.8 1.8 1.9 2.0 2.1 2.1
bar loss
0.03 0.04 0.05 0.06 0.07 0.09 0.10 0.12 0.14 0.16 0.18 0.20 0.22 0.24 0.27 0.29 0.32 0.35 0.37 0.40 0.43 0.47 0.50 0.53 0.57
90 mm 84.6 mm 90 mm 2.7 mm
110 mm 103.6 mm 110 mm 3.2 mm
160 mm 153.2 mm 160 mm 3.4 mm
200 mm 188.2 mm 200 mm 5.9 mm
Velocity bar Velocity bar Velocity bar Velocity bar m/s loss m/s loss m/s loss m/s loss
0.5 0.6 0.6 0.7 0.7 0.8 0.8 0.9 0.9 1.0 1.0 1.1 1.1 1.2 1.2 1.3 1.3 1.4 1.4 1.5 1.7 2.0 2.2
0.04 0.04 0.05 0.06 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13 0.14 0.16 0.17 0.18 0.19 0.21 0.22 0.23 0.31 0.40 0.50
0.5 0.5 0.6 0.6 0.6 0.7 0.7 0.7 0.8 0.8 0.8 0.9 0.9 0.9 1.0 1.0 1.2 1.3 1.5 1.6 1.8 2.0 2.1 2.3
0.02 0.03 0.03 0.03 0.04 0.04 0.05 0.05 0.05 0.06 0.06 0.07 0.07 0.08 0.08 0.09 0.12 0.15 0.19 0.23 0.27 0.32 0.37 0.42
Notes: Shaded areas represent velocities over 1.5 m/s. Use with caution when water hammer is a concern.
1.0 1.1 1.1 1.2 1.3 1.4 1.5 1.7 1.8 2.0 2.1 2.3
0.05 0.06 0.07 0.08 0.09 0.10 0.12 0.14 0.17 0.20 0.23 0.26
1.0 1.1 1.2 1.3 1.4 1.5
0.04 0.05 0.06 0.07 0.08 0.09
TECHNICAL INFORMATION
Nominal Size Pipe ID Pipe OD Wall Thick
247
