Slant/Fin Jaguar - Manual (Page 18)

Jaguar Caravan Multiple and Cascading Boilers 18
FROM
HEADER
3 1/4”
TYP
Figure 12.Typical gas supply installation for Jaguar boiler.
Nominal
Iron Pipe
Size Inches
Internal
Diameter
Inches
Equivalent Length of Pipe, Feet
10 20 30 40 50 60 70 80 90 100 125 150 175 200
1/2
3/4
1
1-1/4
1-1/2
2
2-1/2
3
4
.622
.844
1.049
1.380
1.610
2.067
2.469
3.068
4.026
132
278
520
1,050
1,600
3,050
4,800
8,500
17,500
92
190
350
730
1,100
2,100
3,300
5,900
12,000
73
152
285
590
890
1,650
2,700
4,700
9,700
63
130
245
500
760
1,450
2,300
4,100
8,300
56
115
215
440
670
1,270
2,000
3,600
7,400
50
105
195
400
610
1,150
1,850
3,250
6,800
46
96
180
370
560
1,050
1,700
3,000
6,200
43
90
170
350
530
990
1,600
2,800
5,800
40
84
160
320
490
930
1,500
2,600
5,400
38
79
150
305
460
870
1,400
2,500
5,100
34
72
130
275
410
780
1,250
2,200
4,500
31
64
120
250
380
710
1,130
2,000
4,100
28
59
110
225
350
650
1,050
1,850
3,800
26
55
100
210
320
610
980
1,700
3,500
Table 3. Gas main sizing guide
Maximum capacity of pipe in cubic feet gas per hour for gas pressure of 0.5 psig or less and a pressure drop
of 0.3 inch water column (based on a 0.60 specific gravity gas).