SunCentric Instruction Sheet

* NOTE: 1/2"
data applies to
PE pipe only.
PVC has smaller
ID of .612"
Water Pipe Sizing Chart
Friction Loss in Plastic Pipe with Standard Inside Diameter (SIDR)
THIS CHART APPLIES ONLY TO: PVC pipe, Schedule 40 (160 PSI) and to
PE (polyethylene) pipe with SIDR designation (most common 100 PSI black pipe)
HEAD LOSS in VERTICAL FEET per HUNDRED FEET of pipe
or VERTICAL METERS per HUNDRED METERS of pipe
Nominal Pipe Diameter (Inches)
FLOW
RATE 1/2 * 3/4 1 1 1/4 1 1/2 2 2 1/2 3 4 5 6
GPM LPM .662 .82 1.05 1.38 1.61 2.07 2.47 3.07 4.03 5.05 6.06
1 3.8 1.13 0.14 0.05 0.02 .......
2
7.6 4.16 0.35 0.14 0.05 0.02 ......
3 1 1 8.55 2.19 0.32 0.09 0.05 ... ...
4 1 5 14.8 3.70 0.53 0.16 0.09 0.02 ... . .
5 1 9 22.2 5.78 0.81 0.25 0.12 0.04 . . ...
6 2 3 31.0 7.85 1.00 0.35 0.18 0.07 0.02 . ...
7 2 7 . 10.6 1.52 0.46 0.23 0.08 0
.03 . ...
8 3 0 . 13.4 1.94 0.58 0.30 0.09 0.05 ....
9 3 4 . 16.9 2.43 0.72 0.37 0.12 0.06 ....
1 0 3 8 . 20.3 2 .93 0.8 8 0 .46 0.1 6 0 .07 0.0 2 ...
1 1 4 2 . 24.3 3 .51 1.0 4 0 .53 0.1 8 0 .08 0.0 3 ...
1 2 4 6 . 28.6 4 .11 1.2 2 0 .65 0.2 1 0 .09 0.0 4 ...
1 4 5 3 . . 5.47 1.64 0.85 0.28 0.12 0.05 ...
1 6 6 1 . . 7.02 2.10 1.09 0.37 0.14 0.06 ...
1 8 6 8 . . 8.73 2.61 1.34 0.46 0.18 0.07 ...
2 0 7 6 . . 10.6 3.16 1.64 0.55 0.21 0.08 0.02 . .
2 2 8 3 . . 13.3 3.79 1.96 0.67 0.25 0.09 0.03 . .
2 4 9 1 . . 14.9 4.44 2.31 0.79 0.30 0.11 0.04 . .
2 6 9 9 ... 5.15 2.66 0.90 0.35 0.14 0.05 . .
2
8 106 ... 5.91 3.05 1.04 0.42 0.16 0.05 . .
3 0 114 ... 6.7 2 3 .46 1.1 8 0 .46 0.1 8 0 .06 . .
3 5 133 . . 8.94 4.62 1.57 0.62 0.23 0.07 . .
4 0 152 . . 11.0 5.91 1.99 0.79 0.30 0.09 0.02 .
4 5 171 . . 14.2 7.37 2.49 0.97 0.37 0.12 0.04 .
5 0 190 . . 17.3 8.96 3.03 1.20 0.46 0.14 0.05 .
5 5 208 ... 10.7 3.60 1.43 0.55 0.16 0.06 .
6 0 227 ... 12.5 4.23 1.66 0.65 0.18 0.07 0.02
6 5 ..642 14.5 4.90 1.94 0.74 0.22 0.08 0.03
7 0 ..562 16.7 5.64 2.22 0.85 0.25 0.09 0.04
7 5 .482 19.0 6.40 2.52 0.97 0.28 0.10 0.05
8 0 ..303 7.21 2.84 1.09 0.32 0.12 0.06
8 5 ..223 8
.06 3.19 1.22 0.37 0.13 0.07
9 0 ..143 8.96 3.53 1.36 0.39 0.14 0.08
9 5 ...063 9.91 3.90 1.50 0.44 0.16 0.09
100 379 ..... 10.9 4.30 1.66 0.49 0.18 0.12
150 569 ..... 23.1 9.10 3.51 1.04 0.37 0.16
200 758 ...... 15.5 5.98 1.76 0.62 0.28
NOTE: Shaded values are
at velocities over 5 feet per
second and should be
selected with caution.
actual Inside Diameter (inches)
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