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Sizing pipes with propane gas - for pressure above 35 kPa (5 psi)
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The tables below can be used for sizing propane gas pipes with pressure above 35 kPa (5 psi).
| Capacity of 100 ft Steel Pipe Schedule 40 (MBH, SCFH, ft3/h) | |||||||||||
| Pressure | Pipe Dimension (in) | ||||||||||
| Upstream
(psig) |
Downstream
(psig) |
1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | 2 1/2 | 3 | 4 | 5 |
| 10 | 9.5 | 355 | 745 | 1400 | 2880 | 4310 | 8300 | 13240 | 23400 | 47730 | 86350 |
| 9.0 | 515 | 1080 | 2030 | 4160 | 6240 | 12010 | 19150 | 33860 | 69060 | 124940 | |
| 9 | 8.5 | 350 | 730 | 1370 | 2810 | 4210 | 8120 | 12940 | 22880 | 46660 | 84420 |
| 8.1 | 480 | 995 | 1870 | 3850 | 5760 | 11100 | 17700 | 31290 | 63840 | 115490 | |
| 8 | 7.6 | 300 | 630 | 1190 | 2440 | 3650 | 7040 | 11210 | 19820 | 40440 | 73170 |
| 7.2 | 435 | 910 | 1720 | 3530 | 5290 | 10190 | 16240 | 28700 | 58560 | 105940 | |
| 7 | 6.6 | 295 | 615 | 1160 | 2380 | 3560 | 6870 | 10940 | 19350 | 39460 | 71390 |
| 6.3 | 400 | 830 | 1560 | 3210 | 4810 | 9260 | 14750 | 26090 | 53210 | 96260 | |
| 6 | 5.7 | 245 | 510 | 970 | 1980 | 2990 | 5730 | 9140 | 16160 | 32960 | 59620 |
| 5.4 | 355 | 745 | 1400 | 2880 | 4310 | 8310 | 13240 | 23410 | 47760 | 86400 | |
| 5 | 4.7 | 240 | 500 | 940 | 1930 | 2900 | 5580 | 8890 | 15730 | 32080 | 58035 |
| 4.5 | 315 | 660 | 1240 | 2540 | 3810 | 7340 | 11690 | 20680 | 42170 | 76290 | |
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