The handbook of Technical irrigaTion informaTion - Hunter Industries

Friction Loss ChartsNominalSizeAvg. IDPipe ODAvg. WallMin. WallShown for convenienceClass 315 Class 2001/2"3/4"0.6960.9100.8401.0500.0720.0701"1.1751.3150.070Irrigation Association Friction Loss Chart 2008CLASS 160 PVC IPS PLASTIC PIPEASTM D-2241 (1120,1220) SDR 26 C=150PSI Loss Per 100 Feet of Pipe1 1/4"1.5121.6600.0741 1/2"1.7341.9000.0830.062 0.060 0.060 0.0640.073 0.091 0.110 0.1350.173 0.255Flow Velocity PSI Velocity PSI Velocity PSI Velocity PSI Velocity PSI Velocity PSI Velocity PSI Velocity PSI Velocity PSI Velocity PSIGPM FPS LOSS FPS LOSS FPS LOSS FPS LOSS FPS LOSS FPS LOSS FPS LOSS FPS LOSS FPS LOSS FPS LOSS1 0.84 0.25 0.49 0.07 0.30 0.02 0.18 0.01 0.14 0.002 1.68 0.90 0.99 0.24 0.59 0.07 0.36 0.02 0.27 0.01 0.17 0.003 2.53 1.90 1.48 0.52 0.89 0.15 0.54 0.04 0.41 0.02 0.26 0.014 3.37 3.24 1.97 0.88 1.18 0.25 0.71 0.07 0.54 0.04 0.35 0.01 0.24 0.005 4.21 4.89 2.46 1.33 1.48 0.38 0.89 0.11 0.68 0.06 0.43 0.02 0.29 0.016 5.05 6.86 2.96 1.86 1.77 0.54 1.07 0.16 0.81 0.08 0.52 0.03 0.35 0.01 0.24 0.007 5.90 9.12 3.45 2.47 2.07 0.71 1.25 0.21 0.95 0.11 0.60 0.04 0.41 0.01 0.28 0.018 6.74 11.68 3.94 3.17 2.36 0.91 1.43 0.27 1.09 0.14 0.69 0.05 0.47 0.02 0.32 0.019 7.58 14.53 4.43 3.94 2.66 1.14 1.61 0.33 1.22 0.17 0.78 0.06 0.53 0.02 0.36 0.0110 8.42 17.66 4.93 4.79 2.96 1.38 1.78 0.40 1.36 0.21 0.86 0.07 0.59 0.03 0.40 0.0112 10.11 24.75 5.91 6.71 3.55 1.94 2.14 0.57 1.63 0.29 1.04 0.10 0.71 0.04 0.48 0.0114 11.79 32.93 6.90 8.93 4.14 2.58 2.50 0.76 1.90 0.39 1.21 0.13 0.82 0.05 0.55 0.0216 13.48 42.16 7.88 11.44 4.73 3.30 2.86 0.97 2.17 0.50 1.38 0.17 0.94 0.06 0.63 0.02 0.38 0.0118 15.16 52.44 8.87 14.23 5.32 4.10 3.21 1.20 2.44 0.62 1.56 0.21 1.06 0.08 0.71 0.03 0.43 0.0120 9.85 17.29 5.91 4.99 3.57 1.46 2.71 0.75 1.73 0.25 1.18 0.10 0.79 0.04 0.48 0.0122 10.84 20.63 6.50 5.95 3.93 1.74 2.99 0.90 1.90 0.30 1.29 0.12 0.87 0.04 0.53 0.0124 11.82 24.24 7.09 6.99 4.28 2.05 3.26 1.05 2.07 0.35 1.41 0.14 0.95 0.05 0.57 0.0226 12.81 28.11 7.68 8.11 4.64 2.38 3.53 1.22 2.25 0.41 1.53 0.16 1.03 0.06 0.62 0.0228 13.80 32.25 8.27 9.30 5.00 2.73 3.80 1.40 2.42 0.47 1.65 0.18 1.11 0.07 0.67 0.0230 14.78 36.64 8.87 10.57 5.35 3.10 4.07 1.59 2.59 0.53 1.76 0.21 1.19 0.08 0.72 0.0232 9.46 11.91 5.71 3.49 4.34 1.79 2.76 0.60 1.88 0.23 1.27 0.09 0.76 0.03 0.35 0.0034 10.05 13.32 6.07 3.91 4.61 2.01 2.94 0.67 2.00 0.26 1.35 0.10 0.81 0.03 0.37 0.0036 10.64 14.81 6.42 4.34 4.88 2.23 3.11 0.74 2.12 0.29 1.43 0.11 0.86 0.03 0.40 0.0038 11.23 16.37 6.78 4.80 5.16 2.46 3.28 0.82 2.23 0.32 1.50 0.12 0.91 0.04 0.42 0.0140 11.82 18.00 7.14 5.28 5.43 2.71 3.46 0.90 2.35 0.35 1.58 0.14 0.95 0.04 0.44 0.0142 12.41 19.70 7.50 5.78 5.70 2.97 3.63 0.99 2.47 0.39 1.66 0.15 1.00 0.04 0.46 0.0144 13.00 21.47 7.85 6.30 5.97 3.23 3.80 1.08 2.59 0.42 1.74 0.16 1.05 0.05 0.48 0.0146 13.59 23.32 8.21 6.84 6.24 3.51 3.97 1.17 2.70 0.46 1.82 0.18 1.10 0.05 0.51 0.0148 14.18 25.23 8.57 7.40 6.51 3.80 4.15 1.27 2.82 0.50 1.90 0.19 1.15 0.06 0.53 0.0150 14.78 27.21 8.92 7.98 6.78 4.10 4.32 1.37 2.94 0.53 1.98 0.20 1.19 0.06 0.55 0.0155 9.82 9.52 7.46 4.89 4.75 1.63 3.23 0.64 2.18 0.24 1.31 0.07 0.61 0.0160 10.71 11.18 8.14 5.74 5.18 1.91 3.53 0.75 2.38 0.29 1.43 0.08 0.66 0.0165 11.60 12.97 8.82 6.66 5.62 2.22 3.82 0.87 2.57 0.33 1.55 0.10 0.72 0.0170 12.49 14.88 9.50 7.64 6.05 2.55 4.11 1.00 2.77 0.38 1.67 0.11 0.77 0.0275 13.38 16.90 10.18 8.68 6.48 2.89 4.41 1.13 2.97 0.43 1.79 0.13 0.83 0.0280 14.28 19.05 10.86 9.78 6.91 3.26 4.70 1.28 3.17 0.49 1.91 0.14 0.88 0.0285 11.53 10.94 7.34 3.65 4.99 1.43 3.37 0.55 2.03 0.16 0.94 0.0290 12.21 12.16 7.78 4.06 5.29 1.59 3.56 0.61 2.15 0.18 0.99 0.0395 12.89 13.45 8.21 4.48 5.58 1.76 3.76 0.67 2.27 0.20 1.05 0.03100 13.57 14.79 8.64 4.93 5.88 1.93 3.96 0.74 2.39 0.22 1.10 0.03110 14.93 17.64 9.50 5.88 6.46 2.30 4.36 0.88 2.63 0.26 1.21 0.04120 10.37 6.91 7.05 2.71 4.75 1.04 2.86 0.30 1.32 0.05130 11.23 8.02 7.64 3.14 5.15 1.20 3.10 0.35 1.43 0.05140 12.10 9.20 8.23 3.60 5.54 1.38 3.34 0.40 1.54 0.06150 12.96 10.45 8.81 4.09 5.94 1.57 3.58 0.46 1.65 0.07160 13.82 11.77 9.40 4.61 6.34 1.76 3.82 0.52 1.76 0.08170 14.69 13.17 9.99 5.16 6.73 1.97 4.06 0.58 1.87 0.09180 10.58 5.73 7.13 2.19 4.30 0.64 1.98 0.10190 11.16 6.34 7.52 2.42 4.54 0.71 2.09 0.11200 11.75 6.97 7.92 2.67 4.77 0.78 2.20 0.12220 12.93 8.31 8.71 3.18 5.25 0.93 2.42 0.14240 14.10 9.77 9.50 3.74 5.73 1.09 2.65 0.17260 10.29 4.33 6.21 1.27 2.87 0.19280 11.09 4.97 6.68 1.45 3.09 0.22300 11.88 5.65 7.16 1.65 3.31 0.25320 12.67 6.37 7.64 1.86 3.53 0.28340Shaded area represents velocities over 5 fps.13.46 7.12 8.12 2.08 3.75 0.32360 14.25 7.92 8.59 2.31 3.97 0.35380 Use with caution.9.07 2.56 4.19 0.39400 9.55 2.81 4.41 0.43420 10.03 3.08 4.63 0.47440 10.50 3.35 4.85 0.51460 10.98 3.64 5.07 0.56480 11.46 3.94 5.29 0.60500 11.94 4.25 5.51 0.652"2.1732.3750.1012 1/2"2.6352.8750.1203"3.213.5000.1454"4.1344.5000.1836"6.0846.6250.27171