15. Examples
PNEG-308 Purafire 53
Natural Gas (0.60 SP. GR.): @ 5 PSI Based on 10% Pressure Drop (1000’s BTU/Hr)
Source: Natural Fuel Gas Code 5
th
Edition 8/28/92
Natural Gas (0.60 SP. GR.): @ 10 PSI Based on 10% Pressure Drop (1000’s BTU/Hr)
Source: Natural Fuel Gas Code 5
th
Edition 8/28/92
Pipe
Length (ft.)
Nominal Pipe Size (SCH.40)
1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 3-1/2" 4" 5" 6"
50 1989 4084 6120 11786 18785 33209 48623 67736 122544 198427
100 1367 2807 4206 8101 12911 22824 33418 46555 84224 136378
150 1098 2254 3378 6505 10368 18329 26836 37385 67635 109516
200 940 1929 2891 5567 8874 15687 22968 31997 57887 93732
250 833 1710 2562 4934 7865 13903 20356 28358 51304 83073
300 755 1549 2321 4471 7126 12597 18444 25694 46485 75270
400 646 1326 1987 3827 6099 10782 15786 21991 39785 64421
500 572 1175 1761 3391 5405 9556 13991 19490 35261 57095
1000 393 808 1210 2331 3715 6568 9616 13396 24235 39241
1500 316 649 972 1872 2983 5274 7722 10757 19461 31512
2000 270 555 832 1602 2553 4514 6609 9207 16656 26970
Pipe
Length (ft.)
Nominal Pipe Size (SCH.40)
1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 3-1/2" 4" 5" 6"
50 3259 6690 10024 19305 30769 54395 79642 110948 200720 325013
100 2240 4598 6889 13268 21148 37385 54737 76254 137945 223379
150 1798 3692 5532 10655 16982 30022 43956 61235 110782 179382
200 1539 3160 4735 9119 14535 25695 37621 52409 94815 153527
250 1364 2801 4197 8082 12882 22773 33343 46449 84033 136068
300 1236 2538 3802 7323 11672 20634 30211 42086 76140 123288
400 1058 2172 3254 6268 9990 17660 25857 36020 65166 105518
500 938 1925 2884 5555 8854 15652 22916 31924 57755 93519
1000 644 1323 1982 3818 6085 10757 15750 21941 39695 64275
1500 517 1062 1592 3066 4886 8638 12648 17620 31876 51615
2000 443 909 1362 2624 4182 7393 10825 15080 27282 44176
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