Install Manual

Appendix A. Fuel Line Selection3-2016
69A051X873 (Issue 5) Copyright © 2016 Cummins Inc.
1,30
0
12 26 49 100 150 289 460 813 1,66
0
3,00
0
4,86
0
9,98
0
18,1
00
28,7
00
1,40
0
12 25 47 96 144 277 442 781 1,59
0
2,88
0
4,67
0
9,59
0
17,4
00
27,6
00
1,50
0
11 24 45 93 139 267 426 752 1,53
0
2,78
0
4,50
0
9,24
0
16,8
00
26,6
00
1,60
0
11 23 44 89 134 258 411 727 1,48
0
2,68
0
4,34
0
8,92
0
16,2
00
25,6
00
1,70
0
11 22 42 86 130 250 398 703 1,43
0
2,59
0
4,20
0
8,63
0
15,7
00
24,8
00
1,80
0
10 22 41 84 126 242 386 682 1,39
0
2,52
0
4,07
0
8,37
0
15,2
00
24,1
00
1,90
0
10 21 40 81 122 235 375 662 1,35
0
2,44
0
3,96
0
8,13
0
14,8
00
23,4
00
2,00
0
NA 20 39 79 119 229 364 644 1,31
0
2,38
0
3,85
0
7,91
0
14,4
00
22,7
00
NA: Applies to a flow of less than 10 cfh.
Note: All table entries are rounded to 3 significant digits.
TABLE 19. NATURAL GAS SEMIRIGID COPPER TUBING SIZING
Gas: Natural
Inlet Pressure: Less than 2 psi
Pressure Drop: 0.5 in. w.c.
Specific Gravity: 0.60
Tube Size (in.)
Nominal
K & L:
1⁄4 3⁄8 1⁄2 5⁄8 3⁄4 1 11⁄4 11⁄2 2
Nominal
ACR:
3⁄8 1⁄2 5⁄8 3⁄4 7⁄8 11⁄8 13⁄8 — —
Outside: 0.375 0.500 0.625 0.750 0.875 1.125 1.375 1.625 2.125
Inside:* 0.305 0.402 0.527 0.652 0.745 0.995 1.245 1.481 1.959
Length
(ft.)
Capacity in Cubic Feet of Gas per Hour
10 27 55 111 195 276 590 1,060 1,680 3,490
20 18 38 77 134 190 406 730 1,150 2,400
30 15 30 61 107 152 326 586 925 1,930