Nominal Size |
0.5" |
0.75" |
1" |
1.25" |
1.5" |
2" |
2.5" |
3" |
4" |
5" |
6" |
Nominal Size |
Pipe OD |
0.840 |
1.050 |
1.315 |
1.660 |
1.900 |
2.375 |
2.875 |
3.500 |
4.500 |
5.563 |
6.625 |
Pipe OD |
Pipe ID |
0.546 |
0.742 |
0.957 |
1.278 |
1.500 |
1.939 |
2.323 |
2.900 |
3.826 |
4.813 |
5.761 |
Pipe ID |
Wall thickness |
0.147 |
0.154 |
0.179 |
0.191 |
0.200 |
0.218 |
0.276 |
0.300 |
0.337 |
0.375 |
0.432 |
Wall thickness |
Q |
V |
Friction |
V |
Friction |
V |
Friction |
V |
Friction |
V |
Friction |
V |
Friction |
V |
Friction |
V |
Friction |
V |
Friction |
V |
Friction |
V |
Friction |
Q |
Flow |
Velocity |
Loss |
Velocity |
Loss |
Velocity |
Loss |
Velocity |
Loss |
Velocity |
Loss |
Velocity |
Loss |
Velocity |
Loss |
Velocity |
Loss |
Velocity |
Loss |
Velocity |
Loss |
Velocity |
Loss |
Flow |
GPM |
FPS |
PSI |
FPS |
PSI |
FPS |
PSI |
FPS |
PSI |
FPS |
PSI |
FPS |
PSI |
FPS |
PSI |
FPS |
PSI |
FPS |
PSI |
FPS |
PSI |
FPS |
PSI |
GPM |
1 |
1.37 |
1.71 |
0.74 |
0.39 |
0.45 |
0.11 |
0.25 |
0.03 |
0.18 |
0.01 |
|
|
|
|
|
|
|
|
|
|
|
|
1 |
2 |
2.74 |
6.18 |
1.48 |
1.39 |
0.89 |
0.40 |
0.50 |
0.10 |
0.36 |
0.05 |
0.22 |
0.01 |
|
|
|
|
|
|
|
|
|
|
2 |
3 |
4.11 |
13.10 |
2.22 |
2.95 |
1.34 |
0.85 |
0.75 |
0.21 |
0.54 |
0.10 |
0.33 |
0.03 |
|
|
|
|
|
|
|
|
|
|
3 |
4 |
5.47 |
22.33 |
2.96 |
5.02 |
1.78 |
1.45 |
1.00 |
0.36 |
0.73 |
0.16 |
0.43 |
0.05 |
0.30 |
0.02 |
|
|
|
|
|
|
|
|
4 |
5 |
6.84 |
33.75 |
3.71 |
7.59 |
2.23 |
2.20 |
1.25 |
0.54 |
0.91 |
0.25 |
0.54 |
0.07 |
0.38 |
0.03 |
|
|
|
|
|
|
|
|
5 |
6 |
8.21 |
47.31 |
4.45 |
10.63 |
2.67 |
3.08 |
1.50 |
0.75 |
1.09 |
0.35 |
0.65 |
0.10 |
0.45 |
0.04 |
0.29 |
0.01 |
|
|
|
|
|
|
6 |
7 |
9.58 |
62.94 |
5.19 |
14.15 |
3.12 |
4.10 |
1.75 |
1.00 |
1.27 |
0.46 |
0.76 |
0.13 |
0.53 |
0.05 |
0.34 |
0.02 |
|
|
|
|
|
|
7 |
8 |
10.95 |
80.59 |
5.93 |
18.12 |
3.56 |
5.25 |
2.00 |
1.29 |
1.45 |
0.59 |
0.87 |
0.17 |
0.60 |
0.07 |
0.39 |
0.02 |
|
|
|
|
|
|
8 |
9 |
12.32 |
100.24 |
6.67 |
22.53 |
4.01 |
6.53 |
2.25 |
1.60 |
1.63 |
0.73 |
0.98 |
0.21 |
0.68 |
0.09 |
0.44 |
0.03 |
|
|
|
|
|
|
9 |
10 |
13.69 |
121.84 |
7.41 |
27.39 |
4.45 |
7.94 |
2.50 |
1.94 |
1.81 |
0.89 |
1.09 |
0.26 |
0.76 |
0.11 |
0.49 |
0.04 |
|
|
|
|
|
|
10 |
11 |
15.05 |
145.36 |
8.15 |
32.68 |
4.90 |
9.47 |
2.75 |
2.32 |
1.99 |
1.06 |
1.19 |
0.30 |
0.83 |
0.13 |
0.53 |
0.04 |
|
|
|
|
|
|
11 |
12 |
16.42 |
170.78 |
8.89 |
38.39 |
5.35 |
11.13 |
3.00 |
2.72 |
2.18 |
1.25 |
1.30 |
0.36 |
0.91 |
0.15 |
0.58 |
0.05 |
|
|
|
|
|
|
12 |
13 |
17.79 |
198.07 |
9.63 |
44.52 |
5.79 |
12.91 |
3.25 |
3.16 |
2.36 |
1.45 |
1.41 |
0.42 |
0.98 |
0.17 |
0.63 |
0.06 |
0.36 |
0.02 |
|
|
|
|
13 |
14 |
19.16 |
227.20 |
10.37 |
51.08 |
6.24 |
14.81 |
3.50 |
3.62 |
2.54 |
1.66 |
1.52 |
0.48 |
1.06 |
0.20 |
0.68 |
0.07 |
0.39 |
0.02 |
|
|
|
|
14 |
15 |
|
|
11.12 |
58.04 |
6.68 |
16.83 |
3.75 |
4.12 |
2.72 |
1.89 |
1.63 |
0.54 |
1.13 |
0.22 |
0.73 |
0.08 |
0.42 |
0.02 |
|
|
|
|
15 |
16 |
|
|
11.86 |
65.40 |
7.13 |
18.96 |
4.00 |
4.64 |
2.90 |
2.13 |
1.74 |
0.61 |
1.21 |
0.25 |
0.78 |
0.09 |
0.45 |
0.02 |
|
|
|
|
16 |
17 |
|
|
12.60 |
73.18 |
7.57 |
21.21 |
4.25 |
5.19 |
3.08 |
2.38 |
1.84 |
0.68 |
1.29 |
0.28 |
0.82 |
0.10 |
0.47 |
0.03 |
|
|
|
|
17 |
18 |
|
|
13.34 |
81.35 |
8.02 |
23.58 |
4.50 |
5.77 |
3.26 |
2.65 |
1.95 |
0.76 |
1.36 |
0.32 |
0.87 |
0.11 |
0.50 |
0.03 |
|
|
|
|
18 |
19 |
|
|
14.08 |
89.91 |
8.46 |
26.07 |
4.75 |
6.38 |
3.45 |
2.93 |
2.06 |
0.84 |
1.44 |
0.35 |
0.92 |
0.12 |
0.53 |
0.03 |
|
|
|
|
19 |
20 |
|
|
14.82 |
98.88 |
8.91 |
28.67 |
5.00 |
7.02 |
3.63 |
3.22 |
2.17 |
0.92 |
1.51 |
0.38 |
0.97 |
0.13 |
0.56 |
0.03 |
|
|
|
|
20 |
22 |
|
|
16.30 |
117.96 |
9.80 |
34.20 |
5.50 |
8.37 |
3.99 |
3.84 |
2.39 |
1.10 |
1.66 |
0.46 |
1.07 |
0.16 |
0.61 |
0.04 |
0.39 |
0.01 |
|
0.01 |
22 |
24 |
|
|
17.79 |
138.59 |
10.69 |
40.18 |
6.00 |
9.83 |
4.35 |
4.51 |
2.60 |
1.29 |
1.81 |
0.54 |
1.16 |
0.18 |
0.67 |
0.05 |
0.42 |
0.02 |
|
0.01 |
24 |
26 |
|
|
|
|
11.58 |
46.60 |
6.49 |
11.41 |
4.71 |
5.23 |
2.82 |
1.50 |
1.97 |
0.62 |
1.26 |
0.21 |
0.72 |
0.05 |
0.46 |
0.02 |
|
0.01 |
26 |
28 |
|
|
|
|
12.47 |
53.45 |
6.99 |
13.08 |
5.08 |
6.00 |
3.04 |
1.72 |
2.12 |
0.71 |
1.36 |
0.24 |
0.78 |
0.06 |
0.49 |
0.02 |
|
0.01 |
28 |
30 |
|
|
|
|
13.36 |
60.74 |
7.49 |
14.87 |
5.44 |
6.82 |
3.26 |
1.96 |
2.27 |
0.81 |
1.46 |
0.28 |
0.84 |
0.07 |
0.53 |
0.02 |
0.37 |
0.01 |
30 |
35 |
|
|
|
|
15.59 |
80.81 |
8.74 |
19.78 |
6.35 |
9.07 |
3.80 |
2.60 |
2.65 |
1.08 |
1.70 |
0.37 |
0.98 |
0.10 |
0.62 |
0.03 |
0.43 |
0.01 |
35 |
40 |
|
|
|
|
17.82 |
103.48 |
9.99 |
25.33 |
7.25 |
11.62 |
4.34 |
3.33 |
3.02 |
1.38 |
1.94 |
0.47 |
1.11 |
0.12 |
0.70 |
0.04 |
0.49 |
0.02 |
40 |
45 |
|
|
|
|
20.05 |
128.71 |
11.24 |
31.50 |
8.16 |
14.45 |
4.88 |
4.14 |
3.40 |
1.72 |
2.18 |
0.58 |
1.25 |
0.15 |
0.79 |
0.05 |
0.55 |
0.02 |
45 |
50 |
|
|
|
|
22.27 |
156.44 |
12.49 |
38.29 |
9.07 |
17.56 |
5.43 |
5.04 |
3.78 |
2.09 |
2.43 |
0.71 |
1.39 |
0.18 |
0.88 |
0.06 |
0.61 |
0.03 |
50 |
55 |
|
|
|
|
|
|
13.74 |
45.68 |
9.97 |
20.95 |
5.97 |
6.01 |
4.16 |
2.49 |
2.67 |
0.85 |
1.53 |
0.22 |
0.97 |
0.07 |
0.68 |
0.03 |
55 |
60 |
|
|
|
|
|
|
14.99 |
53.67 |
10.88 |
24.62 |
6.51 |
7.06 |
4.54 |
2.93 |
2.91 |
1.00 |
1.67 |
0.26 |
1.06 |
0.08 |
0.74 |
0.04 |
60 |
65 |
|
|
|
|
|
|
16.24 |
62.24 |
11.79 |
28.55 |
7.05 |
8.19 |
4.91 |
3.40 |
3.15 |
1.15 |
1.81 |
0.30 |
1.14 |
0.10 |
0.80 |
0.04 |
65 |
70 |
|
|
|
|
|
|
17.49 |
71.40 |
12.69 |
32.75 |
7.60 |
9.39 |
5.29 |
3.90 |
3.40 |
1.32 |
1.95 |
0.34 |
1.23 |
0.11 |
0.86 |
0.05 |
70 |
75 |
|
|
|
|
|
|
18.74 |
81.13 |
13.60 |
37.22 |
8.14 |
10.67 |
5.67 |
4.43 |
3.64 |
1.51 |
2.09 |
0.39 |
1.32 |
0.13 |
0.92 |
0.05 |
75 |
80 |
|
|
|
|
|
|
19.98 |
91.43 |
14.51 |
41.94 |
8.68 |
12.03 |
6.05 |
4.99 |
3.88 |
1.70 |
2.23 |
0.44 |
1.41 |
0.14 |
0.98 |
0.06 |
80 |
85 |
|
|
|
|
|
|
21.23 |
102.30 |
15.41 |
46.92 |
9.22 |
13.46 |
6.43 |
5.59 |
4.12 |
1.90 |
2.37 |
0.49 |
1.50 |
0.16 |
1.04 |
0.07 |
85 |
90 |
|
|
|
|
|
|
22.48 |
113.72 |
16.32 |
52.16 |
9.77 |
14.96 |
6.80 |
6.21 |
4.37 |
2.11 |
2.51 |
0.55 |
1.59 |
0.18 |
1.11 |
0.07 |
90 |
95 |
|
|
|
|
|
|
|
|
17.23 |
57.66 |
10.31 |
16.53 |
7.18 |
6.86 |
4.61 |
2.33 |
2.65 |
0.61 |
1.67 |
0.20 |
1.17 |
0.08 |
95 |
100 |
|
|
|
|
|
|
|
|
18.13 |
63.40 |
10.85 |
18.18 |
7.56 |
7.55 |
4.85 |
2.56 |
2.79 |
0.67 |
1.76 |
0.22 |
1.23 |
0.09 |
100 |
110 |
|
|
|
|
|
|
|
|
19.95 |
75.64 |
11.94 |
21.69 |
8.32 |
9.00 |
5.34 |
3.06 |
3.07 |
0.79 |
1.94 |
0.26 |
1.35 |
0.11 |
110 |
120 |
|
|
|
|
|
|
|
|
21.76 |
88.87 |
13.02 |
25.48 |
9.07 |
10.58 |
5.82 |
3.59 |
3.34 |
0.93 |
2.11 |
0.31 |
1.48 |
0.13 |
120 |
130 |
|
|
|
|
|
|
|
|
23.57 |
103.07 |
14.11 |
29.56 |
9.83 |
12.27 |
6.31 |
4.17 |
3.62 |
1.08 |
2.29 |
0.35 |
1.60 |
0.15 |
130 |
140 |
|
|
|
|
|
|
|
|
|
|
15.19 |
33.90 |
10.58 |
14.07 |
6.79 |
4.78 |
3.90 |
1.24 |
2.47 |
0.41 |
1.72 |
0.17 |
140 |
150 |
|
|
|
|
|
|
|
|
|
|
16.28 |
38.52 |
11.34 |
15.99 |
7.28 |
5.43 |
4.18 |
1.41 |
2.64 |
0.46 |
1.84 |
0.19 |
150 |
160 |
|
|
|
|
|
|
|
|
|
|
17.36 |
43.42 |
12.10 |
18.02 |
7.76 |
6.12 |
4.46 |
1.59 |
2.82 |
0.52 |
1.97 |
0.22 |
160 |
170 |
|
|
|
|
|
|
|
|
|
|
18.45 |
48.57 |
12.85 |
20.16 |
8.25 |
6.85 |
4.74 |
1.78 |
2.99 |
0.58 |
2.09 |
0.24 |
170 |
180 |
|
|
|
|
|
|
|
|
|
|
19.53 |
54.00 |
13.61 |
22.41 |
8.73 |
7.62 |
5.02 |
1.98 |
3.17 |
0.65 |
2.21 |
0.27 |
180 |
190 |
|
|
|
|
|
|
|
|
|
|
|
|
14.37 |
24.78 |
9.22 |
8.42 |
5.30 |
2.19 |
3.35 |
0.72 |
2.34 |
0.30 |
190 |
200 |
|
|
|
|
|
|
|
|
|
|
|
|
15.12 |
27.24 |
9.70 |
9.26 |
5.57 |
2.40 |
3.52 |
0.79 |
2.46 |
0.33 |
200 |
225 |
|
|
|
|
|
|
|
|
|
|
|
|
17.01 |
33.89 |
10.92 |
11.51 |
6.27 |
2.99 |
3.96 |
0.98 |
2.77 |
0.41 |
225 |
250 |
|
|
|
|
|
|
|
|
|
|
|
|
18.90 |
41.19 |
12.13 |
13.99 |
6.97 |
3.63 |
4.40 |
1.19 |
3.07 |
0.50 |
250 |
275 |
|
|
|
|
|
|
|
|
|
|
|
|
20.79 |
49.14 |
13.34 |
16.69 |
7.66 |
4.33 |
4.84 |
1.42 |
3.38 |
0.59 |
275 |
300 |
|
|
|
|
|
|
|
|
|
|
|
|
22.68 |
57.73 |
14.55 |
19.61 |
8.36 |
5.09 |
5.28 |
1.67 |
3.69 |
0.70 |
300 |
325 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
15.77 |
22.75 |
9.06 |
5.91 |
5.72 |
1.93 |
4.00 |
0.81 |
325 |
350 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
16.98 |
26.09 |
9.76 |
6.78 |
6.16 |
2.22 |
4.30 |
0.92 |
350 |
375 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
18.19 |
29.65 |
10.45 |
7.70 |
6.60 |
2.52 |
4.61 |
1.05 |
375 |
400 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
19.41 |
33.42 |
11.15 |
8.68 |
7.05 |
2.84 |
4.92 |
1.18 |
400 |
425 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
20.62 |
37.39 |
11.85 |
9.71 |
7.49 |
3.18 |
5.22 |
1.32 |
425 |
450 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
21.83 |
41.56 |
12.54 |
10.79 |
7.93 |
3.53 |
5.53 |
1.47 |
450 |
475 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
23.04 |
45.94 |
13.24 |
11.93 |
8.37 |
3.90 |
5.84 |
1.63 |
475 |
500 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
24.26 |
50.52 |
13.94 |
13.12 |
8.81 |
4.29 |
6.15 |
1.79 |
500 |
550 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
15.33 |
15.65 |
9.69 |
5.12 |
6.76 |
2.14 |
550 |
600 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
16.72 |
18.39 |
10.57 |
6.02 |
7.38 |
2.51 |
600 |
|
Shaded Area represents Velocities over 5 FPS.
Use with caution. |
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OD = Outside Diameter; ID = Inside Diameter; |
FPS = Feet Per Second; GPM = Gallons Per Minute |
C = Smoothness (roughness) coefficient used
in Hazen William's Equation |
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SDR = Standard Dimension Ratio |
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Velocity FPS calculated
using formula: |
Friction Losses (PSI) calculated using Hazen
William's formula: |
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These
values are calculated using above formula. Values may vary from other
published data due to rounding. Values should be used with caution on
large systems. Ramesh Kumar, Cal Poly, Pomona. |
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