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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)
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)
(113.83)
2-1/2
2.469
(63.5)
(67.713)
(181.22)
3
3.068
(76.2)
(77.927)
(319.98)
NOTE - Capacity given in cubic feet (m3 ) of gas per hour and based on 0.60 specific gravity gas.
Left Side Piping
(Standard)
MANUAL
MAIN SHUT-OFF
VALVE
GROUND
JOINT
UNION
DRIP LEG
Gas Pipe Capacity - ft3/hr (m3/hr)
10
20
30
(3.048)
(6.096)
(9,144)
172
118
95
(4.87)
(3.34)
(2.69)
360
247
199
(10.19)
(7.000)
(5.63)
678
466
374
(19.19)
(13.19)
(10.59)
1350
957
768
(38.22)
(27.09)
(22.25)
2090
1430
1150
(59.18)
(40.49)
(32.56)
4020
2760
2220
(78.15)
(62.86)
6400
4400
3530
(124.59)
(99.95)
11300
7780
6250
(220.30)
(176.98)
AUTOMATIC
GAS VALVE
(with manual
shut-off valve)
NOTE - BLACK IRON PIPE ONLY TO BE ROUTED INSIDE OF CABINET
TABLE 8
Length of Pipe - feet (m)
40
50
(12,192)
(15.240)
(18.288)
81
72
(2.29)
(2.03)
(1.84)
170
151
137
(4.81)
(4.23)
(3.87)
320
284
257
(9.06)
(8.04)
(7.27)
657
583
528
(18.60)
(16.50)
(14.95)
985
873
791
(27.89)
(24.72)
(22.39)
1900
1680
1520
(53.80)
(47.57)
(43.04)
3020
2680
2480
(85.51)
(75.88)
(70.22)
5350
4740
4290
(151.49)
(134.22)
(121.47)
AUTOMATIC
GAS VALVE
(with manual
shut-off valve)
FIELD
PROVIDED
AND INSTALLED
Figure 18
Page 18
60
70
80
(21.336)
(24.384)
65
60
56
(1.69)
(1.58)
126
117
(3.56)
(3.31)
237
220
(6.71)
(6.23)
486
452
(13.76)
(12.79)
728
677
(20.61)
(19.17)
1400
1300
(39.64)
(36.81)
2230
2080
(63.14)
(58.89)
3950
3670
(111.85)
(103.92)
90
100
(27.432)
(30,480)
52
50
(1.47)
(1.42)
110
104
(3.11)
(2.94)
207
195
(5.86)
(5.52)
424
400
(12.00)
(11.33)
635
600
(17.98)
(17.00)
1220
1160
(34.55)
(32.844)
1950
1840
(55.22)
(52.10)
3450
3260
(97.69)
(92.31)
MANUAL
MAIN SHUT-OFF
VALVE
GROUND
JOINT
UNION
DRIP LEG
Right Side Piping
(Alternate)
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