PVC and CPVC Plastic Pipe Data
Maximum Operating Pressure (psig) versus Temperature (°F)
| Operating temperature (°F) |
PVC |
CPVC |
| Up to 100 |
150 |
150 |
| 110 |
135 |
140 |
| 120 |
110 |
130 |
| 130 |
75 |
120 |
| 140 |
50 |
110 |
| 150 |
N.R. |
100 |
| 160 |
N.R. |
90 |
| 170 |
N.R. |
80 |
| 180 |
N.R. |
70 |
| 190 |
N.R. |
60 |
| 200 |
N.R. |
50 |
PVC and CPVC Plastic Pipe: Inside Diameter (in)
| Schedule 40 |
Schedule 80 |
| ½ – 0.622 |
½ – 0.546 |
| ¾ – 0.824 |
¾ – 0.742 |
| 1 – 1.049 |
1 – 0.957 |
| 1¼ – 1.380 |
1¼ – 1.278 |
| 1½ – 1.610 |
1½ – 1.500 |
| 2 – 2.067 |
2 – 1.939 |
| 2½ – 2.469 |
2½ – 2.323 |
| 3 – 3.068 |
3 – 2.900 |
| 4 – 4.026 |
4 – 3.826 |
| 6 – 6.065 |
6 – 5.761 |
| 8 – 7.981 |
8 – 7.625 |
| 10 – 10.020 |
10 – 9.564 |
| 12 – 11.938 |
12 – 11.376 |
| 14 – 13.124 |
14 – 12.500 |
| 16 – 15.000 |
16 – 14.314 |
SOURCE: Data adapted from standard engineering references for PVC and CPVC plastic pipe specifications in HVAC and plumbing systems.
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