Page 70 - DIG 2018 Catalog

Head Loss Charts
Friction loss charts
Polyethylene (Pe) tubing
Distribution tubing
1/2′′ 1/2′′ 1/2′′ 0.520 0.600 0.620 0.620 0.700 0.710 0.050 0.050 0.045
5/8′′ 0.720 0.830 0.055
3/4′′ 0.830 0.940 0.055
1′′ 1.060 1.200 0.070
1/8′′ Vinyl 0.125 0.187 0.031
1/4′′ Vinyl 0.156 0.245 0.045
1/4′′ Poly 0.170 0.250 0.040
Size
ID
OD Wall Thick
GPM
0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75 3.00 3.25 3.50 3.75 4.00 4.50 5.00 5.50 6.00 6.50 7.00 7.50 8.00 8.50 9.00 9.50 10.0 11.0 12.0 13.0 14.0 15.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 34.0 36.0 38.0 40.0 42.0 44.0 46.0 48.0 50.0 55.0 60.0 65.0 70.0
NOTE:
Head Loss Per 100′ of polyethylene tubing (PSI/100′.)
Size
ID
OD Wall Thick
Vel. PSI Vel. PSI Vel. PSI Vel. PSI Vel. PSI Vel. PSI FPS Loss FPS Loss FPS Loss FPS Loss FPS Loss FPS Loss
0.38 0.09 0.28 0.04 0.27 0.04 0.02 0.02 0.15 0.01 0.09 0.00 0.75 0.32 0.57 0.16 0.53 0.14 0.39 0.07 0.30 0.02 0.18 0.01 1.13 0.68 0.85 0.34 0.80 0.29 0.59 0.14 0.44 0.07 0.27 0.02 1.51 1.17 1.13 0.58 1.06 0.50 0.79 0.24 0.59 0.12 0.36 0.04 1.89 1.76 1.42 0.88 1.33 0.75 0.98 0.36 0.74 0.18 0.45 0.06
Vel. GPM GPH FPS
0.05 3.0 1.3 0.10 6.0 2.6 0.15 9.0 3.9 0.20 12.0 5.2 0.25 15.0 6.5
0.30 18.0 7.8 0.35 21.0 9.1 0.40 24.0 10.4 0.50 30.0 13.1 0.60 36.0 15.6
0.70 42.0 18.2 0.80 48.0 20.8
PSI Vel. PSI Vel. PSI Loss FPS Loss FPS Loss
4.77 17.20 36.45 62.06 93.77
0.8 1.62 0.7 1.07 1.6 5.86 1.4 3.86 2.5 12.4 2.1 8.16 3.3 21.12 2.8 13.90 4.1 31.91 3.5 21.01
5.0 44.71 4.2 29.43 5.8 59.47 4.9 39.14 6.7 76.13 5.6 50.11 8.3 115.04 7.0 75.72 10.0 161.18 8.4 106.1
11.7 214.37 9.8 141.11 13.4 274.44 11.2 180.58
2.26 2.47 2.64 3.29 3.02 4.21 3.39 5.23 3.77 6.36
1.70 1.23 1.98 1.64 2.27 2.10 2.55 2.61 2.83 3.17
1.59 1.05 1.86 1.40 2.12 1.79 2.39 2.22 2.65 2.70
1.18 0.51 1.38 0.67 1.57 0.86 1.77 1.07 1.97 1.31
0.89 0.25 1.04 0.24 1.18 0.42 1.33 0.54 1.48 0.65
0.54 0.08 0.64 0.10 0.73 0.13 0.82 0.16 0.91 0.20
4.15 7.59 3.12 3.78 2.92 3.22 2.16 1.56 1.63 0.78 1.00 0.24
4.53 8.91 4.90 10.34 5.28 11.86 5.66 13.48
6.04 15.19 6.79 18.89 7.54 22.96 8.30 27.39 9.05 32.18
9.81 37.32 10.56 42.82 11.32 48.65 12.07 54.83 12.83 61.34
13.58 68.19 14.33 75.37 15.09 82.88 16.60 98.89 18.11 116.2
19.62 134.7
3.40 4.44 3.18 3.79 2.36 1.83 1.78 0.92 1.06 0.28 3.68 5.15 3.45 4.39 2.56 2.12 1.92 1.06 1.18 0.32 3.91 5.91 3.71 5.04 2.75 2.43 2.07 1.22 1.27 0.37 4.25 6.72 3.98 5.73 2.95 2.77 2.22 1.38 1.36 0.42
4.53 7.57 4.25 6.45 3.15 3.12 2.37 1.56 1.45 0.47 5.10 9.41 4.78 8.03 3.54 3.88 2.67 1.94 1.63 0.59 5.67 11.44 5.31 9.76 3.94 4.71 2.96 2.36 1.82 0.72 6.23 13.65 5.84 11.64 4.33 5.62 3.26 2.91 2.00 0.86 6.80 16.04 6.37 13.67 4.72 6.61 3.55 3.31 2.18 1.01
7.37 18.60 6.90 15.86 5.12 7.66 3.85 3.84 2.36 1.17 7.93 21.34 7.43 18.19 5.51 8.79 4.15 4.40 2.54 1.34 8.50 24.25 7.96 20.67 5.90 9.99 4.44 5.00 2.72 1.52 9.07 27.33 8.49 23.30 6.30 11.25 4.74 5.63 2.90 1.71 9.63 30.57 9.02 26.06 6.69 12.59 5.03 6.30 3.09 1.92
10.20 33.99 9.55 28.98 7.08 14.00 5.55 7.01 3.27 2.13 10.77 37.57 10.08 32.03 7.48 15.47 5.63 7.75 3.45 2.36 11.33 41.31 10.61 35.22 7.87 17.01 5.92 8.52 3.63 2.59
SPECIFICATIONS
12.47 49.29 11.68 42.02 8.66 20.30 6.51 10.16 13.60 57.90 12.74 49.36 9.44 23.85 7.11 11.94
14.73 67.16 13.80 57.25 10.23 27.66 7.70 13.85 15.81 77.04 14.86 65.67 11.02 31.72 8.29 15.88 17.00 87.54 15.92 74.63 11.81 36.05 8.88 18.05 18.13 98.65 16.98 84.10 12.59 40.63 9.48 20.34
19.11 104.6 14.17 50.53 10.66 25.30
3.99 2.09 4.36 3.63
4.72 4.21 5.08 4.83 5.45 5.49 5.81 6.19 6.54 7.69
7.26 9.35 7.99 11.16 8.71 13.11 9.44 15.20
10.17 17.44
10.89 19.82 11.62 22.33 12.35 24.99 13.07 27.78 13.80 30.70
14.52 33.76 15.25 36.95 15.98 40.28 16.70 43.74 17.43 47.32
18.16 51.04 19.97 60.89
15.74 61.42 11.84 30.75 17.31 73.27 13.03 36.68 18.89 86.08 14.21 43.10
15.40 49.99 16.58 57.34
17.77 65.15 18.95 73.43
Shaded areas of chart indicate where velocities exceed ve feet per second. Use with caution.
67 head loss charts