Pump Application Guideline for Commercial Building Services

This guideline has been created to provide engineers, trainers, maintenance staff, and plant operators with the knowledge necessary to effectively specify pumps in North America. The material in this publication has been compiled by the Hydraulic Institute (HI) Pump Application Guidelines Committee and is intended to capture the experience and collective knowledge of pump and pumping systems experts for reference by system designers, constructors, and end users.

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Pipe Dimensions of Plastic PVC Pipes

Note: Internal diameter and area are calculated based on nominal outside diameter and minimum thickness multiplied by 1.03.

Plastic Irrigation Pipe (PIP) per ASTM D2241

Nominal Size Outside Diameter, inches Identification Minimum Thickness, inches Pressure Class Internal Diameter, inches Internal Diameter, feet Internal Area, square feet e/D, Relative Roughness e, Absolute Roughness, feet
6 6.14 DR51 0.12 80 psi 5.892 0.491 0.1893441 0.000014 0.000007
6 6.14 DR41 0.15 100 psi 5.832 0.486 0.1854763 0.000014 0.000007
6 6.14 DR32.5 0.189 125 psi 5.751 0.4792 0.1803793 0.000015 0.000007
8 8.16 DR51 0.16 80 psi 7.83 0.6525 0.3344223 0.000011 0.000007
8 8.16 DR41 0.199 100 psi 7.75 0.6458 0.3275909 0.000011 0.000007
8 8.16 DR32.5 0.251 125 psi 7.643 0.6369 0.3185886 0.000011 0.000007
10 10.2 DR51 0.2 80 psi 9.788 0.8157 0.5225349 0.0000086 0.000007
10 10.2 DR41 0.249 100 psi 9.688 0.8073 0.5118609 0.0000087 0.000007
10 10.2 DR32.5 0.314 125 psi 9.553 0.7961 0.4977947 0.0000088 0.000007
12 12.24 DR51 0.24 80 psi 11.746 0.9788 0.7524503 0.0000072 0.000007
12 12.24 DR41 0.299 100 psi 11.625 0.9688 0.7370796 0.0000072 0.000007
12 12.24 DR32.5 0.377 125 psi 11.464 0.9553 0.7168244 0.0000073 0.000007
15 15.3 DR51 0.3 80 psi 14.682 1.2235 1.1757035 0.0000057 0.000007
15 15.3 DR41 0.373 100 psi 14.531 1.2109 1.1516869 0.0000058 0.000007
15 15.3 DR32.5 0.471 125 psi 14.33 1.1942 1.1200382 0.0000059 0.000007
15 15.3 DR26 0.588 160 psi 14.088 1.174 1.08246 0.000006 0.000007
15 15.3 DR21 0.729 200 psi 13.799 1.1499 1.03856 0.0000061 0.000007
18 18.701 DR51 0.367 80 psi 17.946 1.4955 1.7564857 0.0000047 0.000007
18 18.701 DR41 0.456 100 psi 17.761 1.4801 1.7206052 0.0000047 0.000007
18 18.701 DR32.5 0.575 125 psi 17.516 1.4596 1.6733224 0.0000048 0.000007
18 18.701 DR26 0.719 160 psi 17.219 1.4349 1.6171811 0.0000049 0.000007
21 22.047 DR51 0.432 80 psi 21.156 1.763 2.4412596 0.000004 0.000007
21 22.047 DR41 0.538 100 psi 20.939 1.7449 2.3913909 0.000004 0.000007
21 22.047 DR32.5 0.678 125 psi 20.65 1.7208 2.3256747 0.0000041 0.000007
21 22.047 DR26 0.848 160 psi 20.3 1.6917 2.2476464 0.0000041 0.000007
24 24.803 DR51 0.486 80 psi 23.801 1.9834 3.0897504 0.0000035 0.000007
24 24.803 DR41 0.605 100 psi 23.557 1.9631 3.0266346 0.0000036 0.000007
24 24.803 DR32.5 0.763 125 psi 23.231 1.9359 2.9434617 0.0000036 0.000007
24 24.803 DR26 0.954 160 psi 22.838 1.9032 2.8447062 0.0000037 0.000007
27 27.953 DR51 0.548 80 psi 26.824 2.2353 3.9243869 0.0000031 0.000007
27 27.953 DR41 0.682 100 psi 26.549 2.2124 3.8442216 0.0000032 0.000007
27 27.953 DR32.5 0.86 125 psi 26.181 2.1818 3.7385812 0.0000032 0.000007
27 27.953 DR26 1.075 160 psi 25.738 2.1449 3.6131487 0.0000033 0.000007
Tbl. 4.E.1

Plastic (Iron Pipe Size, IPS) per ASTM D2241

Nominal Size Outside Diameter, inches Identification Minimum Thickness, inches Pressure Class Internal Diameter, inches Internal Diameter, feet Internal Area, square feet e/D, Relative Roughness e, Absolute Roughness, feet
3 3.5 DR41 0.085 100 psi 3.324 0.277 0.0602681 0.0000253 0.000007
3 3.5 DR32.5 0.108 125 psi 3.278 0.2732 0.0586119 0.0000256 0.000007
3 3.5 DR26 0.135 160 psi 3.223 0.2686 0.0566455 0.0000261 0.000007
3 3.5 DR21 0.167 200 psi 3.157 0.2631 0.0543482 0.0000266 0.000007
3 3.5 DR17 0.206 250 psi 3.076 0.2563 0.051602 0.0000273 0.000007
3 3.5 DR13.5 0.259 315 psi 2.966 0.2472 0.0479786 0.0000283 0.000007
4 4.5 DR32.5 0.138 125 psi 4.215 0.3512 0.0968891 0.0000199 0.000007
4 4.5 DR32.5 0.11 125 psi 4.274 0.3562 0.0996269 0.0000197 0.000007
4 4.5 DR26 0.173 160 psi 4.143 0.3453 0.0936384 0.0000203 0.000007
4 4.5 DR21 0.214 200 psi 4.059 0.3382 0.0898408 0.0000207 0.000007
4 4.5 DR17 0.265 250 psi 3.955 0.3296 0.0853013 0.0000212 0.000007
4 4.5 DR13.5 0.333 315 psi 3.813 0.3178 0.0793116 0.000022 0.000007
5 5.563 DR32.5 0.171 125 psi 5.21 0.4342 0.1480703 0.0000161 0.000007
5 5.563 DR32.5 0.136 125 psi 5.283 0.4403 0.1522543 0.0000159 0.000007
5 5.563 DR26 0.214 160 psi 5.122 0.4269 0.1431025 0.0000164 0.000007
5 5.563 DR21 0.265 200 psi 5.017 0.4181 0.1372988 0.0000167 0.000007
5 5.563 DR17 0.327 250 psi 4.889 0.4074 0.1303614 0.0000172 0.000007
5 5.563 DR13.5 0.412 315 psi 4.714 0.3928 0.1212076 0.0000178 0.000007
6 6.625 DR32.5 0.204 125 psi 6.205 0.5171 0.2100012 0.0000135 0.000007
6 6.625 DR32.5 0.162 125 psi 6.292 0.5243 0.2159351 0.0000134 0.000007
6 6.625 DR26 0.255 160 psi 6.1 0.5083 0.2029555 0.0000138 0.000007
6 6.625 DR21 0.315 200 psi 5.975 0.4979 0.1947245 0.0000141 0.000007
6 6.625 DR17 0.39 250 psi 5.822 0.4852 0.1848854 0.0000144 0.000007
6 6.625 DR13.5 0.491 315 psi 5.614 0.4678 0.1719031 0.000015 0.000007
8 8.625 DR32.5 0.265 125 psi 8.078 0.6732 0.3559329 0.0000104 0.000007
8 8.625 DR27.5 0.21 150 psi 8.192 0.6826 0.3659905 0.0000103 0.000007
8 8.625 DR26 0.332 160 psi 7.942 0.6618 0.3439911 0.0000106 0.000007
8 8.625 DR21 0.411 200 psi 7.779 0.6482 0.3300403 0.0000108 0.000007
8 8.625 DR17 0.507 250 psi 7.58 0.6317 0.3133639 0.0000111 0.000007
8 8.625 DR13.5 0.639 315 psi 7.309 0.6091 0.2913601 0.0000115 0.000007
10 10.75 DR32.5 0.331 125 psi 10.069 0.8391 0.5529258 0.0000083 0.000007
10 10.75 DR27.5 0.262 150 psi 10.21 0.8508 0.5685498 0.0000082 0.000007
10 10.75 DR26 0.413 160 psi 9.898 0.8249 0.5343747 0.0000085 0.000007
10 10.75 DR21 0.512 200 psi 9.695 0.808 0.5127028 0.0000087 0.000007
10 10.75 DR17 0.632 250 psi 9.447 0.7873 0.4867967 0.0000089 0.000007
10 10.75 DR13.5 0.796 315 psi 9.11 0.7591 0.4526149 0.0000092 0.000007
12 12.75 DR32.5 0.392 125 psi 11.942 0.9952 0.7778043 0.000007 0.000007
12 12.75 DR27.5 0.311 150 psi 12.109 1.0091 0.7997826 0.0000069 0.000007
12 12.75 DR26 0.49 160 psi 11.74 0.9783 0.7517083 0.0000072 0.000007
12 12.75 DR21 0.607 200 psi 11.499 0.9583 0.7212223 0.0000073 0.000007
12 12.75 DR17 0.75 250 psi 11.205 0.9338 0.6847801 0.0000075 0.000007
12 12.75 DR13.5 0.944 315 psi 10.804 0.9004 0.6366962 0.0000078 0.000007
14 14 DR32.5 0.431 125 psi 13.113 1.0927 0.9377909 0.0000064 0.000007
14 14 DR27.5 0.341 150 psi 13.297 1.108 0.96429 0.0000063 0.000007
14 14 DR26 0.538 160 psi 12.891 1.0742 0.9063273 0.0000065 0.000007
14 14 DR21 0.667 200 psi 12.627 1.0522 0.8695705 0.0000067 0.000007
14 14 DR17 0.824 250 psi 12.304 1.0253 0.8256326 0.0000068 0.000007
14 14 DR13.5 1.037 315 psi 11.864 0.9886 0.7676583 0.0000071 0.000007
16 16 DR32.5 0.492 125 psi 14.986 1.2488 1.2248698 0.0000056 0.000007
16 16 DR32.5 0.39 125 psi 15.196 1.2663 1.2594808 0.0000055 0.000007
16 16 DR26 0.615 160 psi 14.732 1.2277 1.1837744 0.0000057 0.000007
16 16 DR21 0.762 200 psi 14.43 1.2025 1.1357656 0.0000058 0.000007
16 16 DR17 0.941 250 psi 14.061 1.1718 1.0783772 0.000006 0.000007
16 16 DR13.5 1.185 315 psi 13.559 1.1299 1.0026558 0.0000062 0.000007
18 18 DR32.5 0.554 125 psi 16.859 1.4049 1.5502258 0.000005 0.000007
18 18 DR32.5 0.439 125 psi 17.096 1.4246 1.5940303 0.0000049 0.000007
18 18 DR26 0.692 160 psi 16.574 1.3812 1.4982145 0.0000051 0.000007
18 18 DR21 0.857 200 psi 16.234 1.3529 1.4374533 0.0000052 0.000007
18 18 DR17 1.059 250 psi 15.819 1.3182 1.3648212 0.0000053 0.000007
18 18 DR13.5 1.333 315 psi 15.253 1.2711 1.2689862 0.0000055 0.000007
20 20 DR32.5 0.615 125 psi 18.732 1.561 1.9138591 0.0000045 0.000007
20 20 DR32.5 0.488 125 psi 18.995 1.5829 1.9679387 0.0000044 0.000007
20 20 DR26 0.769 160 psi 18.415 1.5346 1.8496475 0.0000046 0.000007
20 20 DR21 0.952 200 psi 18.038 1.5032 1.7746338 0.0000047 0.000007
20 20 DR17 1.176 250 psi 17.576 1.4647 1.6849644 0.0000048 0.000007
20 20 DR13.5 1.481 315 psi 16.948 1.4123 1.5666497 0.000005 0.000007
24 24 DR32.5 0.738 125 psi 22.479 1.8732 2.7559571 0.0000037 0.000007
24 24 DR32.5 0.585 125 psi 22.794 1.8995 2.8338317 0.0000037 0.000007
24 24 DR26 0.923 160 psi 22.098 1.8415 2.6634924 0.0000038 0.000007
24 24 DR21 1.143 200 psi 21.646 1.8038 2.5554726 0.0000039 0.000007
24 24 DR17 1.412 250 psi 21.092 1.7576 2.4263488 0.000004 0.000007
24 24 DR13.5 1.778 315 psi 20.338 1.6948 2.2559755 0.0000041 0.000007
30 30 DR32.5 0.923 125 psi 28.098 2.3415 4.3061829 0.000003 0.000007
30 30 DR32.5 0.732 125 psi 28.493 2.3744 4.427862 0.0000029 0.000007
30 30 DR26 1.154 160 psi 27.623 2.3019 4.1617069 0.000003 0.000007
30 30 DR21 1.429 200 psi 27.057 2.2548 3.992926 0.0000031 0.000007
30 30 DR17 1.765 250 psi 26.365 2.1971 3.7911699 0.0000032 0.000007
30 30 DR13.5 2.222 315 psi 25.422 2.1185 3.5249618 0.0000033 0.000007
36 36 DR32.5 1.108 125 psi 33.718 2.8098 6.2009034 0.0000025 0.000007
36 36 DR32.5 0.878 125 psi 34.191 2.8493 6.3761213 0.0000025 0.000007
36 36 DR26 1.385 160 psi 33.148 2.7623 5.992858 0.0000025 0.000007
36 36 DR21 1.714 200 psi 32.469 2.7057 5.7498134 0.0000026 0.000007
36 36 DR17 2.118 250 psi 31.638 2.6365 5.4592847 0.0000027 0.000007
36 36 DR13.5 2.667 315 psi 30.507 2.5422 5.0759449 0.0000028 0.000007
Tbl. 4.E.2

Plastic (Cast Iron Outside Diameter, CIOD) per AWWA C900

Nominal Size Outside Diameter, inches Identification Minimum Thickness, inches Pressure Class Internal Diameter, inches Internal Diameter, feet Internal Area, square feet e/D, Relative Roughness e, Absolute Roughness, feet
4 4.8 DR27.5 0.175 150 psi 4.44 0.37 0.1075421 0.0000189 0.000007
4 4.8 DR25 0.192 165 psi 4.404 0.367 0.1058076 0.0000191 0.000007
4 4.8 DR21 0.229 200 psi 4.329 0.3608 0.1022189 0.0000194 0.000007
4 4.8 DR18 0.267 235 psi 4.251 0.3542 0.0985466 0.0000198 0.000007
4 4.8 DR17 0.282 250 psi 4.218 0.3515 0.097054 0.0000199 0.000007
4 4.8 DR14 0.343 305 psi 4.094 0.3411 0.0914034 0.0000205 0.000007
6 6.9 DR27.5 0.251 150 psi 6.383 0.5319 0.2222258 0.0000132 0.000007
6 6.9 DR25 0.276 165 psi 6.331 0.5276 0.2186414 0.0000133 0.000007
6 6.9 DR21 0.329 200 psi 6.223 0.5186 0.2112258 0.0000135 0.000007
6 6.9 DR18 0.383 235 psi 6.11 0.5092 0.2036372 0.0000137 0.000007
6 6.9 DR17 0.406 250 psi 6.064 0.5053 0.2005529 0.0000139 0.000007
6 6.9 DR14 0.493 305 psi 5.885 0.4904 0.1888766 0.0000143 0.000007
8 9.05 DR27.5 0.329 150 psi 8.372 0.6977 0.3822904 0.00001 0.000007
8 9.05 DR25 0.362 165 psi 8.304 0.692 0.3761243 0.0000101 0.000007
8 9.05 DR21 0.431 200 psi 8.162 0.6802 0.3633674 0.0000103 0.000007
8 9.05 DR18 0.503 235 psi 8.014 0.6679 0.3503129 0.0000105 0.000007
8 9.05 DR17 0.532 250 psi 7.953 0.6628 0.345007 0.0000106 0.000007
8 9.05 DR14 0.646 305 psi 7.718 0.6432 0.3249205 0.0000109 0.000007
10 11.1 DR27.5 0.404 150 psi 10.269 0.8557 0.5750984 0.0000082 0.000007
10 11.1 DR25 0.444 165 psi 10.185 0.8488 0.5658224 0.0000082 0.000007
10 11.1 DR21 0.529 200 psi 10.011 0.8343 0.5466316 0.0000084 0.000007
10 11.1 DR18 0.617 235 psi 9.83 0.8191 0.5269932 0.0000085 0.000007
10 11.1 DR17 0.653 250 psi 9.755 0.8129 0.5190112 0.0000086 0.000007
10 11.1 DR14 0.793 305 psi 9.467 0.7889 0.4887941 0.0000089 0.000007
12 13.2 DR27.5 0.48 150 psi 12.211 1.0176 0.8132875 0.0000069 0.000007
12 13.2 DR25 0.528 165 psi 12.112 1.0094 0.8001696 0.0000069 0.000007
12 13.2 DR21 0.629 200 psi 11.905 0.9921 0.7730305 0.0000071 0.000007
12 13.2 DR18 0.733 235 psi 11.689 0.9741 0.7452584 0.0000072 0.000007
12 13.2 DR17 0.776 250 psi 11.6 0.9667 0.7339705 0.0000072 0.000007
12 13.2 DR14 0.943 305 psi 11.258 0.9381 0.6912384 0.0000075 0.000007
14 15.3 DR41 0.373 100 psi 14.531 1.2109 1.1516869 0.0000058 0.000007
14 15.3 DR32.5 0.471 125 psi 14.33 1.1942 1.1200382 0.0000059 0.000007
14 15.3 DR27.5 0.556 150 psi 14.154 1.1795 1.092645 0.0000059 0.000007
14 15.3 DR25 0.612 165 psi 14.039 1.1699 1.0750213 0.000006 0.000007
14 15.3 DR21 0.729 200 psi 13.799 1.1499 1.03856 0.0000061 0.000007
14 15.3 DR18 0.85 235 psi 13.549 1.1291 1.0012485 0.0000062 0.000007
14 15.3 DR17 0.9 250 psi 13.446 1.1205 0.9860833 0.0000062 0.000007
14 15.3 DR14 1.093 305 psi 13.049 1.0874 0.928673 0.0000064 0.000007
16 17.4 DR41 0.424 100 psi 16.526 1.3771 1.4895328 0.0000051 0.000007
16 17.4 DR32.5 0.535 125 psi 16.297 1.3581 1.4485999 0.0000052 0.000007
16 17.4 DR27.5 0.633 150 psi 16.097 1.3414 1.413171 0.0000052 0.000007
16 17.4 DR25 0.696 165 psi 15.966 1.3305 1.3903774 0.0000053 0.000007
16 17.4 DR21 0.829 200 psi 15.693 1.3078 1.3432203 0.0000054 0.000007
16 17.4 DR18 0.967 235 psi 15.409 1.2841 1.2949634 0.0000055 0.000007
16 17.4 DR17 1.024 250 psi 15.292 1.2743 1.2753496 0.0000055 0.000007
16 17.4 DR14 1.243 305 psi 14.84 1.2366 1.2010981 0.0000057 0.000007
18 19.5 DR51 0.382 80 psi 18.712 1.5594 1.9097837 0.0000045 0.000007
18 19.5 DR41 0.476 100 psi 18.52 1.5434 1.8707717 0.0000045 0.000007
18 19.5 DR32.5 0.6 125 psi 18.264 1.522 1.8193623 0.0000046 0.000007
18 19.5 DR27.5 0.709 150 psi 18.039 1.5033 1.7748655 0.0000047 0.000007
18 19.5 DR25 0.78 165 psi 17.893 1.4911 1.7462379 0.0000047 0.000007
18 19.5 DR21 0.929 200 psi 17.587 1.4656 1.6870112 0.0000048 0.000007
18 19.5 DR18 1.083 235 psi 17.268 1.439 1.6264033 0.0000049 0.000007
18 19.5 DR17 1.147 250 psi 17.137 1.4281 1.6017693 0.0000049 0.000007
18 19.5 DR14 1.393 305 psi 16.631 1.3859 1.5085135 0.0000051 0.000007
20 21.6 DR51 0.424 80 psi 20.728 1.7273 2.3432707 0.0000041 0.000007
20 21.6 DR41 0.527 100 psi 20.515 1.7096 2.2954037 0.0000041 0.000007
20 21.6 DR32.5 0.665 125 psi 20.231 1.6859 2.2323252 0.0000042 0.000007
20 21.6 DR27.5 0.785 150 psi 19.982 1.6652 2.1777284 0.0000042 0.000007
20 21.6 DR25 0.864 165 psi 19.82 1.6517 2.142603 0.0000042 0.000007
20 21.6 DR21 1.029 200 psi 19.481 1.6234 2.0699328 0.0000043 0.000007
20 21.6 DR18 1.2 235 psi 19.128 1.594 1.9955679 0.0000044 0.000007
20 21.6 DR17 1.271 250 psi 18.983 1.5819 1.9653425 0.0000044 0.000007
20 21.6 DR14 1.543 305 psi 18.422 1.5351 1.8509193 0.0000046 0.000007
24 25.8 DR51 0.506 80 psi 24.758 2.0632 3.3431386 0.0000034 0.000007
24 25.8 DR41 0.629 100 psi 24.504 2.042 3.2748468 0.0000034 0.000007
24 25.8 DR32.5 0.794 125 psi 24.165 2.0137 3.1848529 0.0000035 0.000007
24 25.8 DR27.5 0.938 150 psi 23.867 1.9889 3.1069598 0.0000035 0.000007
24 25.8 DR25 1.032 165 psi 23.674 1.9728 3.0568464 0.0000035 0.000007
24 25.8 DR21 1.229 200 psi 23.269 1.9391 2.953168 0.0000036 0.000007
24 25.8 DR18 1.433 235 psi 22.847 1.9039 2.8470718 0.0000037 0.000007
24 25.8 DR17 1.518 250 psi 22.674 1.8895 2.8039493 0.0000037 0.000007
24 25.8 DR14 1.843 305 psi 22.004 1.8336 2.6407019 0.0000038 0.000007
30 32 DR51 0.627 80 psi 30.707 2.559 5.142981 0.0000027 0.000007
30 32 DR41 0.78 100 psi 30.392 2.5327 5.037923 0.0000028 0.000007
30 32 DR32.5 0.985 125 psi 29.972 2.4976 4.8994792 0.0000028 0.000007
30 32 DR27.5 1.164 150 psi 29.603 2.4669 4.7796508 0.0000028 0.000007
30 32 DR25 1.28 165 psi 29.363 2.4469 4.7025579 0.0000029 0.000007
30 32 DR21 1.524 200 psi 28.861 2.4051 4.5430624 0.0000029 0.000007
30 32 DR18 1.778 235 psi 28.338 2.3615 4.3798473 0.000003 0.000007
30 32 DR17 1.882 250 psi 28.122 2.3435 4.3135089 0.000003 0.000007
36 38.3 DR51 0.751 80 psi 36.753 3.0627 7.3673706 0.0000023 0.000007
36 38.3 DR41 0.934 100 psi 36.376 3.0313 7.2168739 0.0000023 0.000007
36 38.3 DR32.5 1.178 125 psi 35.872 2.9894 7.0185518 0.0000023 0.000007
36 38.3 DR27.5 1.393 150 psi 35.431 2.9526 6.8468965 0.0000024 0.000007
36 38.3 DR25 1.532 165 psi 35.144 2.9287 6.7364602 0.0000024 0.000007
36 38.3 DR21 1.824 200 psi 34.543 2.8786 6.5079813 0.0000024 0.000007
36 38.3 DR18 2.128 235 psi 33.917 2.8264 6.274174 0.0000025 0.000007
42 44.5 DR51 0.873 80 psi 42.703 3.5585 9.9456916 0.000002 0.000007
42 44.5 DR41 1.085 100 psi 42.264 3.522 9.7425264 0.000002 0.000007
42 44.5 DR32.5 1.369 125 psi 41.679 3.4733 9.4747986 0.000002 0.000007
42 44.5 DR27.5 1.618 150 psi 41.167 3.4305 9.2430699 0.000002 0.000007
42 44.5 DR25 1.78 165 psi 40.833 3.4028 9.0939847 0.0000021 0.000007
42 44.5 DR21 2.119 200 psi 40.135 3.3446 8.7855463 0.0000021 0.000007
48 50.8 DR51 0.996 80 psi 48.748 4.0623 12.9611158 0.0000017 0.000007
48 50.8 DR41 1.239 100 psi 48.248 4.0206 12.6963532 0.0000017 0.000007
48 50.8 DR32.5 1.563 125 psi 47.58 3.965 12.3474532 0.0000018 0.000007
48 50.8 DR27.5 1.847 150 psi 46.995 3.9162 12.0454669 0.0000018 0.000007
48 50.8 DR25 2.032 165 psi 46.614 3.8845 11.8511808 0.0000018 0.000007
54 57.56 DR51 1.129 80 psi 55.235 4.6029 16.6401232 0.0000015 0.000007
54 57.56 DR41 1.404 100 psi 54.668 4.5557 16.3002078 0.0000015 0.000007
54 57.56 DR32.5 1.771 125 psi 53.912 4.4926 15.8522727 0.0000016 0.000007
54 57.56 DR27.5 2.093 150 psi 53.248 4.4374 15.4645678 0.0000016 0.000007
54 57.56 DR25 2.302 165 psi 52.817 4.4014 15.2151336 0.0000016 0.000007
60 61.61 DR51 1.208 80 psi 59.121 4.9268 19.0641473 0.0000014 0.000007
60 61.61 DR41 1.503 100 psi 58.514 4.8762 18.6747152 0.0000014 0.000007
60 61.61 DR32.5 1.896 125 psi 57.705 4.8087 18.1615279 0.0000015 0.000007
60 61.61 DR27.5 2.24 150 psi 56.995 4.7496 17.7173446 0.0000015 0.000007
60 61.61 DR25 2.464 165 psi 56.533 4.7111 17.4315745 0.0000015 0.000007
Tbl. 4.E.3

Plastic (Schedule) pipe per ASTM D1785

Nominal Size Outside Diameter, inches Pipe Schedule Minimum Thickness, inches Internal Diameter, inches Internal Diameter, feet Internal Area, square feet e/D, Relative Roughness e, Absolute Roughness, feet
1/2 0.84 40 0.109 0.615 0.0513 0.002066 0.0001365 0.000007
1/2 0.84 80 0.147 0.537 0.0448 0.0015739 0.0001564 0.000007
3/4 1.05 40 0.113 0.817 0.0681 0.0036425 0.0001028 0.000007
3/4 1.05 80 0.154 0.733 0.0611 0.0029285 0.0001146 0.000007
1 1.315 40 0.133 1.041 0.0868 0.0059108 0.0000807 0.000007
1 1.315 80 0.179 0.946 0.0789 0.0048837 0.0000888 0.000007
1 1/4 1.66 40 0.14 1.372 0.1143 0.0102608 0.0000612 0.000007
1 1/4 1.66 80 0.191 1.267 0.1055 0.0087491 0.0000663 0.000007
1 1/2 1.9 40 0.145 1.601 0.1334 0.0139853 0.0000525 0.000007
1 1/2 1.9 80 0.2 1.488 0.124 0.0120763 0.0000565 0.000007
2 2.375 40 0.154 2.058 0.1715 0.0230949 0.0000408 0.000007
2 2.375 80 0.218 1.926 0.1605 0.0202304 0.0000436 0.000007
2 1/2 2.875 40 0.203 2.457 0.2047 0.0329211 0.0000342 0.000007
2 1/2 2.875 80 0.276 2.306 0.1922 0.0290143 0.0000364 0.000007
3 3.5 40 0.216 3.055 0.2546 0.0509051 0.0000275 0.000007
3 3.5 80 0.3 2.882 0.2402 0.0453018 0.0000291 0.000007
3 1/2 4 40 0.226 3.534 0.2945 0.0681347 0.0000238 0.000007
3 1/2 4 80 0.318 3.345 0.2787 0.0610237 0.0000251 0.000007
4 4.5 40 0.237 4.012 0.3343 0.0877812 0.0000209 0.000007
4 4.5 80 0.337 3.806 0.3171 0.0789978 0.0000221 0.000007
5 5.563 40 0.375 4.791 0.3992 0.1251668 0.0000175 0.000007
5 5.563 80 0.42 4.698 0.3915 0.1203695 0.0000179 0.000007
6 6.625 40 0.28 6.048 0.504 0.1995169 0.0000139 0.000007
6 6.625 80 0.432 5.735 0.4779 0.1793934 0.0000146 0.000007
8 8.625 40 0.322 7.962 0.6635 0.3457298 0.0000106 0.000007
8 8.625 80 0.5 7.595 0.6329 0.3146176 0.0000111 0.000007
10 10.75 40 0.365 9.998 0.8332 0.5452082 0.0000084 0.000007
10 10.75 80 0.593 9.528 0.794 0.4951869 0.0000088 0.000007
12 12.75 40 0.406 11.914 0.9928 0.7741343 0.0000071 0.000007
12 12.75 80 0.687 11.335 0.9446 0.7007346 0.0000074 0.000007
14 14 40 0.437 13.1 1.0916 0.9359559 0.0000064 0.000007
14 14 80 0.75 12.455 1.0379 0.8460867 0.0000067 0.000007
16 16 40 0.5 14.97 1.2475 1.2222808 0.0000056 0.000007
16 16 80 0.843 14.263 1.1886 1.1096212 0.0000059 0.000007
Tbl. 4.E.4

Last updated on July 19th, 2024