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Nominal
Internal
Iron Pipe
Diameter
Size
inches
inches
(mm)
(mm)
1/2
.622
(12.7)
(17.799)
3/4
.824
(19.05)
(20.930)
1
1.049
(25.4)
(26.645)
(919.25)
1-1/4
1.380
(31.75)
(35.052)
1-1/2
1.610
(38.1)
(40.894)
2
2.067
(50.8)
(52.502)
(111.85)
2-1/2
2.469
(63.5)
(67.713)
(178.39)
3
3.068
(76.2)
(77.927)
(311.48)
Note: Capacity given in cubic feet (m³) of gas per hour and based on 0.60 specific gravity gas.
507327-01
Gas Pipe Capacity - ft³/hr (m³/hr)
10
20
30
(3.048)
(6.096)
(9.144)
175
120
97
(4.96)
(3.40)
(2.75)
360
250
200
(10.19)
(7.08)
(5.66)
680
465
375
(13.17)
(10.62)
1400
950
770
(39.64)
(26.90)
(21.80)
2100
1460
1180
(59.46)
(41.34)
(33.41)
3950
2750
2200
(77.87)
(62.30)
6300
4350
3520
(123.17)
(99.67)
11000
7700
6250
(218.03)
(176.98)
NOTE: BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET
Length of Pipe - feet (m)
40
50
60
(12.192)
(15.240)
(18.288)
82
73
66
(2.32)
(2.07)
(1.87)
170
151
138
(4.81)
(4.28)
(3.91)
320
285
260
(9.06)
(8.07)
(7.36)
660
580
530
(18.69)
(16.42)
(15.01)
990
900
810
(28.03)
(25.48)
(22.94)
1900
1680
1520
(53.80)
(47.57)
(43.04)
3000
2650
2400
(84.95)
(75.04)
(67.96)
5300
4750
4300
(150.07)
(134.50)
(121.76)
Table 10
Figure 20
Issue 1809
70
80
90
(21.336)
(24.384)
(27.432)
61
57
53
(1.73)
(1.61)
(1.50)
125
118
110
(3.54)
(3.34)
(3.11)
240
220
205
(6.80)
(6.23)
(5.80)
490
460
430
(13.87)
(13.03)
(12.18)
750
690
650
(21.24)
(19.54)
(18.41)
1400
1300
1220
(39.64)
(36.81)
(34.55)
2250
2050
1950
(63.71)
(58.05)
(55.22)
3900
3700
3450
(110.43)
(104.77)
(97.69)
100
(30.480)
50
(1.42)
103
(2.92)
195
(5.52)
400
(11.33)
620
(17.56)
1150
(32.56)
1850
(52.38)
3250
(92.03)
Page 21 of 34
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