Laars MFTHW199 - Page 33

Mascot FT, Heating Only, Boiler
Page 31
Propane Gas Pipe Sizing (Maximum)
Intended use : Pipe Sizing Between Single-or Second-Stage (Low Pressure) Regulator and Appliance.
For reference only. Referenced from gas pipe manufacturer specications for actual delivery capacity. The
DOE standard for Natural Gas is 1100 BTU/ft3. Contact the local gas supplier for actual BTU/ft3 rating.
Inlet Pressure : 11 in. w.c / Pressure Drop : 0.5in. w.c / Specic Gravity : 1.5
Pipe
size
Length (ft)
10 20 30 40 50 60 80 100 150 200
1/2˝ 129 91 74 64 58 53 45 41 31 28
3/4˝ 303 216 177 153 137 126 109 98 75 69
1˝ 605 425 344 297 265 241 208 186 143 129
1-1/4˝ 971 661 528 449 397 359 307 270 217 183
1-1/2˝ 1990 1400 1140 988 884 805 696 621 506 438
2˝ 4640 3290 2680 2330 2080 1900 1650 1480 1210 1050
Pipe
size
Length (ft)
10 20 30 40 50 60 80 100 150 200
1/2˝ 291 200 160 137 122 110 101 94 84 67
3/4˝ 608 418 336 287 255 231 212 197 175 140
1˝ 1150 787 632 541 480 434 400 372 330 265
1-1/4˝ 2350 1620 1300 1110 985 892 821 763 677 543
1-1/2˝ 3520 2420 1940 1660 1480 1340 1230 1140 1010 814
2˝ 6790 4660 3750 3210 2840 2570 2370 2200 1950 1570
(Refer to the ANSI Z223.1 NATIONAL
FUEL GAS CODE 2012 EDITION)
(Refer to the ANSI Z223.1 NATIONAL
FUEL GAS CODE 2012 EDITION)
Table 13. Length of Corrugated Stainless Steel Pipe.
Table 14. Length of Black Iron Pipe (Schedule 40 Metallic)