Drain and Sewer Pipe is sized differently than SCH40 PVC Pipe. It is also lighter weight and not designed to be used for pressure applications. See sizing charts below.
Schedule 40 PVC Pipe
| Nominal Pipe Size |
Outside Diameter |
Average Inside Diameter |
Minimum Wall |
Max Working Pressure PSI |
| 1/4" |
0.540" |
0.344" |
0.088" |
780 |
| 3/8" |
0.675" |
0.473" |
0.091" |
620 |
| 1/2" |
0.840" |
0.602" |
0.109" |
600 |
| 3/4" |
1.050" |
0.804" |
0.113" |
480 |
| 1" |
1.315" |
1.029" |
0.133" |
450 |
| 1-1/4" |
1.660" |
1.360" |
0.140" |
370 |
| 1-1/2" |
1.900" |
1.590" |
0.145" |
330 |
| 2" |
2.375" |
2.047" |
0.154" |
280 |
| 2-1/2" |
2.875" |
2.445" |
0.203" |
300 |
| 3" |
3.500" |
3.042" |
0.216" |
260 |
| 4" |
4.500" |
3.998" |
0.237" |
220 |
| 6" |
6.625" |
6.031" |
0.280" |
180 |
Drain & Sewer Pipe
| Size |
Outside Diameter |
Wall Thickness |
Average Inside Diameter |
| 3" |
3.25" |
0.070" |
3.11" |
| 4" |
4.215" |
0.075" |
4.065" |
| 6" |
6.275" |
0.100" |
6.075" |
Title: What is the difference between Schedule 40 PVC and Drain and Sewer PVC pipe?
Description: Comparison of dimension and other characteristics of SCH 40 PVC pipe and Drain and Sewer PVC pipe.
Published: 8/6/2008
Last Edited: 8/7/2024
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