CleaverBrooks CFC-500 Operation, Service And Parts Manual page 32

Section 2 — Installation
Nominal
Actual I.D.
Length in feet
10
20
30
40
50
60
70
80
90
100
125
150
175
200
**Fuel: Natural Gas
**Inlet Pressure: Less than 2.0 psi
**Pressure Drop: 0.30" w.c.
**Specific Gravity: 0.60
2-18
Table 2-4: Gas Line Capacity - Schedule 40 Metallic Pipe
1" 1-1/4"
1.04 1.380"
9
**Maximum Capacity in Cubic Feet of Gas per Hour (cfh)
514 1,060
363 726
284 583
243 499
215 442
195 400
179 368
167 343
157 322
148 304
131 269
119 244
109 209
102 185
Pipe Size
1-1/2" 2" 2-1/2"
1.610" 2.067" 2.469"
1,580 3,050 4,860
1,090 2,090 3,340
873 1,680 2,680
747 1,440 2,290
662 1,280 2,030
600 1,160 1,840
552 1,060 1,690
514 989 1,580
482 928 1,480
455 877 1,400
403 777 1,240
366 704 1,120
336 648 1,030
313 602 960
3" 4"
3.068" 4.026"
8,580 17,500
5,900 12,000
4,740 9,660
4,050 8,290
3,590 7,330
3,260 6,640
3,000 6,110
2,790 5,680
2,610 5,330
2,470 5,040
2,190 4,460
1,980 4,050
1,820 3,720
1,700 3,460
Part No. 750-263