Friction Loss (ft), Through 100 ft of Schedule 40 PVC Pipe
Pipe Diameter (in) | |||||||
Flow (gpm) | 1 | 1 1/4 | 1 1/2 | 2 | 3 | 4 | 6 |
1 | 0.09 | ||||||
2 | 0.32 | 0.09 | |||||
3 | 0.68 | 0.18 | 0.08 | ||||
4 | 1.17 | 0.31 | 0.14 | ||||
5 | 1.76 | 0.46 | 0.22 | 0.06 | |||
6 | 2.47 | 0.65 | 0.31 | 0.09 | |||
7 | 3.28 | 0.86 | 0.41 | 0.12 | |||
8 | 4.20 | 1.10 | 0.52 | 0.15 | |||
9 | 5.22 | 1.37 | 0.65 | 0.19 | |||
10 | 6.35 | 1.67 | 0.79 | 0.23 | |||
11 | 7.57 | 1.99 | 0.94 | 0.28 | |||
12 | 2.34 | 1.10 | 0.33 | ||||
13 | 2.71 | 1.28 | 0.38 | ||||
14 | 3.11 | 1.47 | 0.43 | 0.06 | |||
15 | 3.54 | 1.67 | 0.49 | 0.07 | |||
16 | 3.98 | 1.88 | 0.56 | 0.08 | |||
17 | 4.46 | 2.10 | 0.62 | 0.09 | |||
18 | 4.95 | 2.34 | 0.69 | 0.10 | |||
19 | 5.47 | 2.58 | 0.77 | 0.11 | |||
20 | 6.02 | 2.84 | 0.84 | 0.12 | |||
25 | 4.29 | 1.27 | 0.19 | ||||
30 | 6.02 | 1.78 | 0.25 | 0.07 | |||
35 | 2.37 | 0.35 | 0.09 | ||||
40 | 3.03 | 0.44 | 0.12 | ||||
45 | 3.77 | 0.55 | 0.15 | ||||
50 | 4.58 | 0.67 | 0.18 | ||||
60 | 6.42 | 0.94 | 0.25 | ||||
70 | 1.25 | 0.33 | |||||
80 | 1.60 | 0.43 | 0.06 | ||||
90 | 1.99 | 0.53 | 0.07 | ||||
100 | 2.41 | 0.64 | 0.09 | ||||
125 | 3.65 | 0.97 | 0.13 | ||||
150 | 6.11 | 1.36 | 0.19 | ||||
175 | 6.80 | 1.81 | 0.25 | ||||
200 | 2.32 | 0.32 | |||||
225 | 2.88 | 0.39 | |||||
250 | 3.50 | 0.48 | |||||
275 | 4.18 | 0.57 | |||||
300 | 4.91 | 0.67 | |||||
325 | 5.69 | 0.77 | |||||
350 | 6.53 | 0.89 | |||||
375 | 7.41 | 1.01 | |||||
400 | 1.14 | ||||||
425 | 1.27 | ||||||
450 | 1.41 | ||||||
475 | 1.56 | ||||||
500 | 1.72 | ||||||
550 | 2.05 | ||||||
600 | 2.40 | ||||||
650 | 2.79 | ||||||
700 | 3.20 | ||||||
750 | 3.63 | ||||||
800 | 4.09 | ||||||
850 | 4.58 | ||||||
900 | 5.09 | ||||||
950 | 5.63 |
NOTE: 160 psi pipe is assumed to be SDR 26.
Computed by the Hazen Williams Formula, assuming C = 140:
Tenn. Comp. R. & Regs. 1200, 1200-01, ch. 1200-01-06, app III
Authority: T.C.A. § 68-221-403.