Brass Pipes - Allowable Pressure vs. Temperature and Size
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Allowable pressure for red brass 85% pipe with threaded ends.
Regular Pipe
| Nominal Size (in) | Allowable Pressure (psi) | ||
|---|---|---|---|
| Temperature (oF) | |||
| 100 | 200 | 300 | |
| 1/8 | 370 | 370 | 320 |
| 1/4 | 870 | 870 | 760 |
| 3/8 | 890 | 890 | 780 |
| 1/2 | 900 | 900 | 790 |
| 3/4 | 810 | 810 | 710 |
| 1 | 630 | 630 | 560 |
| 1 1/4 | 690 | 690 | 610 |
| 1 1/2 | 630 | 630 | 560 |
| 2 | 540 | 540 | 480 |
| 2 1/2 | 450 | 450 | 390 |
| 3 | 510 | 510 | 450 |
| 3 1/2 | 570 | 570 | 500 |
| 4 | 510 | 510 | 440 |
| 5 | 410 | 410 | 360 |
| 6 | 340 | 340 | 300 |
Extra Strong Pipe (XS)
| Nominal Size (in) | Allowable Pressure (psi) | ||
|---|---|---|---|
| Temperature (oF) | |||
| 100 | 200 | 300 | |
| 1/8 | 1960 | 1960 | 1710 |
| 1/4 | 2210 | 2210 | 1930 |
| 3/8 | 1840 | 1840 | 1610 |
| 1/2 | 1760 | 1760 | 1540 |
| 3/4 | 1510 | 1510 | 1320 |
| 1 | 1340 | 1340 | 1180 |
| 1 1/4 | 1160 | 1160 | 1020 |
| 1 1/2 | 1090 | 1090 | 960 |
| 2 | 1000 | 1000 | 870 |
| 2 1/2 | 970 | 970 | 850 |
| 3 | 910 | 910 | 790 |
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Related Topics
• Pressure Ratings of Pipes and Fittings
Pressure ratings of pipes and tubes and their fittings - carbon steel , stainless steel, plastic, copper and more.
Related Documents
ASTM B43 - Seamless Red Brass Pipes - Dimensions
Standard sizes specification for seamless red brass pipes.
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