Brass Pipes - Allowable Pressure vs. Temperature and Size
Allowable pressure for red brass 85% pipes .
Allowable pressure for red brass 85% pipe with threaded ends.
Regular Pipe
Allowable Pressure (psi) | |||
---|---|---|---|
Nominal Size (in) | 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)
Allowable Pressure (psi) | |||
---|---|---|---|
Nominal Size (in) | 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 |