Page 62 - 2018_IFGC

GAS PIPING INSTALLATIONS

14,260 10,100 8,260 7,160 6,400 5,850 5,070 4,540 4,140 3,840 3,590 3,390 3,210 2,630 2,280 2,040 1,860

2
6
Less than 2 psi 0 6 12,400 8,800 7,210 6,270 5,620 5,140 4,460 4,000 3,660 3,390 3,180 3,000 2,850 2,340 2,030 1,820 1,660
Natural 6.0 in. w.c. 0.60

Inlet Pressure Pressure Drop Specific Gravity 8 4
Gas 7,050 5,010 4,100 3,560 3,190 2,910 2,530 2,270 2,070 1,920 1,800 1,700 1,610 1,320 1,140 1,020 936

6,280 4,430 3,610 3,120 2,790 2,540 2,200 1,960 1,790 1,660 1,550 1,460 1,380 1,130 974 870 793

6
4
3,375 2,423 1,996 1,740 1,564 1,433 1,249 1,123 1,029 956 897 848 806 664 579 520 477

Capacity in Cubic Feet of Gas Per Hour 3,000 2,140 1,760 1,530 1,370 1,250 1,090 978 895 830 778 735 698 573 498 447 409
9
3

7
3

INTENDED USE: INITIAL SUPPLY PRESSURE OF 11.0-INCH W.C. OR GREATER TUBE SIZE (EHD) 1 3 1,950 1,690 1,370 1,180 1,110 960 958 828 855 739 778 673 672 580 599 518 546 471 505 435 471 407 444 383 421 363 342 294 295 254 263 226 240 206 Table includes losses for four 90-degree bends and two end fittings. Tubing runs with larger numbers of bends or fittings shall be increased by an equivalent length of tubing to the following

0
911 649 532 462 414 379 329 295 270 250 234 221 210 172 149 134 122
3
TABLE 402.4(17) CORRUGATED STAINLESS STEEL TUBING (CSST) 3 2 737 461 529 327 436 267 380 231 342 207 313 189 273 164 245 147 225 134 209 124 196 116 185 109 176 104 145 85 126 73 114 66 104 60 1 inch = 25.4 mm, 1 foot = 304.8 mm, 1 pound per square inch = 6.895 kPa, 1-inch water column = 0.2488 kPa,
5
2

9
389 277 227 197 176 161 140 125 115 106 100 94 89 73 63 57 52 1 British thermal unit per hour = 0.2931 W, 1 cubic foot per hour = 0.0283 m 3 /h, 1 degree = 0.01745 rad. L = 1.3n where L is additional length (feet) of tubing and n is the number of additional fittings or bends.
1
8
229 160 130 112 99 90 78 69 63 58 54 51 48 39 34 30 27
1

5
173 120 96 83 74 67 57 51 46 42 39 37 35 28 24 21 19 Table entries have been rounded to three significant digits.
1

3
1
Flow n o i t a Length (ft) 5 10 15 20 25 30 40 50 60 70 80 90 100 150 200 250 300

For SI: Notes: 1. 2. 3.
n
g
i
s
e
D
2018 INTERNATIONAL FUEL GAS CODE ® 49
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