SECTION
12
Gas Line Sizing Propane 10#
Table 15.1 (o) Polyethylene Plastic SPECIAL USE: Pipe Sizing Between First Stage and Second Stage Regulators Gas Inlet Pressure Pressure Drop Specific Gravity
Undiluted Propane 10 psi 1 psi 1.50 Nominal outside diameter (IPS) Pipe Size (inches)
Nominal OD
1/2
3/4
1
11/4
11/2
2
Designation
SDR 9.33
SDR 11.0
SDR 10.00
SDR 11.00
SDR 11.00
SDR 11.0
Actual ID
(0.660)
(0.860)
(1.077)
(1.328)
(1.554)
(1.943)
20,260 17,340 15,368 13,924 12,810 11,918 11,182 10,562 9,361 8,482 7,803 7,259 6,811 6,434 6,111 5,830 5,363 4,989 4,681 4,422 4,007 3,686 3,429 3,217 3,039 2,441 2,089
36,402 31,155 27,612 25,019 23,017 21,413 20,091 18,978 16,820 15,240 14,020 13,043 12,238 11,560 10,979 10,474 9,636 8,965 8,411 7,945 7,199 6,623 6,161 5,781 5,461 4,385 3,753
length (feet) 30 40 50 60 70 80 90 100 125 150 175 200 225 250 275 300 350 400 450 500 600 700 800 900 1000 1500 2000
2,143 1,835 1,626 1,473 1,355 1,261 1,183 1,117 990 897 826 778 721 681 646 617 567 528 495 468 424 390 363 340 322 258 221
4,292 3,673 3,256 2,950 2,714 2,525 2,369 2,238 1,983 1,797 1,653 1,539 1,443 1,363 1,294 1,235 1,136 1,057 992 937 849 781 726 682 644 517 443
CapAcity in thousands of BTU per hour 7,744 13,416 6,628 11,482 5,874 10,176 5,322 9,220 4,896 8,483 4,555 7,891 4,274 7,404 4,037 6,994 3,578 6,199 3,242 5,616 2,983 5,167 2,775 4,807 2,603 4,510 2,459 4,260 2,336 4,046 2,228 3,860 2,050 3,551 1,907 3,304 1,789 3,100 1,690 2,928 1,531 2,653 1,409 2,441 1,311 2,271 1,230 2,131 1,162 2,012 933 1,616 798 1,383
Note: (1) Maximum undiluted propane capacities listed are based on a pressure of 10 psig first-stage setting and 1 psi pressure drop. Capacities in 1000 BTU/hr. (2) Dimensions in parentheses are inside diameter.
This section is an excerpt from the NFPA 58 Liquefied Petroleum Gas Code — 2008 Edition
242
Gas Equipment Catalog
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