Beckett CG15 Manual page 14

Table 2 — Gas Supply Piping Capacity
Schedule 40 metallic pipe with 0.50 psi or less inlet pressure and 0.30" W.C. pressure drop
Maximum capacity in cubic feet of gas per hour (CFH). Natural gas with 0.60 specific gravity. Pipe size (inches) IPS
Pipe Length (ft.) 0.75"
10
20
30
40
50
60
70
80
90
100
125
150
175
200
For other inlet pressures and pressure drops, see NFPA 54 for Natural Gas piping or NFPA58 for LP Gas Piping.
14 — Section: Inspect & Prepare Installation Site
1.0" 1.25"
278 520 1050
190 350 730
152 285 590
130 245 500
115 215 440
105 195 400
96 180 370
90 170 350
84 160 320
79 150 305
72 130 275
64 120 250
59 110 225
55 100 210
1.5" 2.0" 2.5"
1600 3050 4800
1100 2100 3300
800 1650 2700
760 1450 2300
670 1270 2000
610 1150 1850
560 1050 1700
530 990 1600
490 930 1500
460 870 1400
410 780 1250
380 710 1130
350 650 1050
320 610 980
CG15, CG25, CG50 Burner Manual, Form No. 6104BCG50
3.0" 4.0"
8500 17500
5900 12000
4700 9700
4100 8300
3600 7400
3250 6800
3000 6200
2800 5800
2600 5400
2500 5100
2200 4500
2000 4100
1850 3800
1700 3500