SECTION
12
Gas Line Sizing
Propane 11” W.C.
Table 6.3 (k) Polyethylene Plastic Pipe Gas Inlet Pressure Pressure Drop Specific Gravity
Undiluted Propane 11.0 inches W.C. 0.5 inches W.C. 1.50
Pipe Size (inches) Nominal oD
1/2
3/4
1
11/4
11/2
2
Designation
SDR 9.33
SDR 11.00
SDR 11.00
SDR 10.00
SDR 11.00
SDR 11.00
actual ID
0.660
0.860
1.077
1.328
1.554
1.943
Length (feet) 10 20 30 40 50 60 70 80 90 100 125 150 175 200 250 300 350 400 450 500
340 233 187 160 142 129 119 110 103 98 87 78 72 67 60 54 50 46 43 41
680 468 375 321 285 258 237 221 207 196 173 157 145 135 119 108 99 92 87 82
3,210 2,210 1,770 1,520 1,340 1,220 1,120 1,040 978 924 819 742 683 635 563 510 469 436 409 387
5,770 3,970 3,180 2,730 2,420 2,190 2,010 1,870 1,760 1,660 1,470 1,330 1,230 1,140 1,010 916 843 784 736 695
CapAcity in thousands of BTU per hour 2,130 1,230 1,460 844 1,170 677 1,000 580 890 514 807 466 742 428 690 398 648 374 612 353 542 313 491 284 452 261 420 243 373 215 338 195 311 179 289 167 271 157 256 148
Note: All table entries are rounded to 3 significant digits.
appendices
Victor/F.w. Webb is weil mclain’s largest distributor.
This section is an excerpt from the NFPA 54 National Fuel Gas Code — 2006 Edition
TO ORDER, CALL: 800.243.9360 • CT: 860.722.2433 • FAX: 800.274.2004
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