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15
Gas Tables
TABLE 3.1 Natural Gas Supply Piping
Nominal
Iron Pipe
Internal
Diameter
Length of Pipe - Feet (Meter)
Size (in.)
(inches)
10
(3)
20
(6)
30
(9)
40
(12)
50
(15)
60
(18
70
(21)
80
(24)
90
(27)
100
(30)
125
(38)
150
(46)
200
(61)
BTUs
per HR
x
1,000
3/4
0.824
363
(106.4)
249
(73)
200
(58.6)
171
(50.1)
152
(44.5)
138
(40.4)
127
(37.2)
118
(34.6)
111
(32.5)
104
(30.5)
93
(27.3)
84
(24.6)
72
(21)
1
1.049
684
(200)
470
(137.7)
377
(110.5)
323
(94.7)
286
(83.8)
259
(76)
239
(70)
222
(65)
208
(61)
197
(57.7)
174
(51)
158
(46.3)
135
(39.5)
1-1/4
1.380
1,404
(411.5)
965
(282.8)
775
(227)
663
(194.3)
588
(172)
532
(156)
490
(143.6)
456
(133.6)
428
(125.4)
404
(118.4)
358
(105)
324
(95)
278
(81.5)
1-1/2
1.610
2,103
(616)
1,445
(423.5)
1,161
(340.2)
993
(291)
880
(258)
798
(233.9)
734
(215)
683
(200)
641
(187.9)
605
(117.3)
536
(157)
486
(142.4)
419
(122.8)
2
2.067
4,050
(1187)
2,784
(816)
2,235
(655)
1,913
(560.6)
1,696
(497)
1,536
(450)
1,413
(414)
1,315
(3854.4)
1,234
(361.7)
1,165
(341.4)
1,033
(302.7)
936
(274.3)
801
(235)
(Based on 0.60 specific gravity for natural gas at 0.5" WC pressure drop; DOE standard is 1100 BTU per cubic foot of natural gas).
1 Run the gas supply line in accordance with all applicable codes.
2. Locate and install manual shut off valves in accordance with state and local requirements.
Gas Connection - Continued
Table 3.2 Propane Supply Piping (Based On 11" WC Supply Pressure)
Nominal
Iron Pipe
Internal
Diameter
Length of Pipe - Feet (Meter)
Size (in.)
(inches)
10
(3)
20
(6)
30
(9)
40
(12)
50
(15)
60
(18)
70
(21)
80
(24)
90
(27)
100
(30)
125
(38)
150
(46)
200
(61)
BTUs
per
HR
x
1,000
3/4
0.824
567
(166)
393
(115.2)
315
(92.3)
267
(78)
237
(69.5)
217
(53.6)
196
(57.4)
185
(54.2)
173
(50.7)
162
(47.5)
146
(42.8)
132
(39)
112
(32.8)
1
1.049
1,071
(314)
732
(214.5)
570
(167)
504
(147.7)
448
(131.3)
409
(120)
378
(110.8)
346
(101)
322
(94.4)
307
(90)
275
(80.5)
352
(103)
213
(62.4)
1-1/4
1.380
2,205
(646)
1,496
(438.4)
1,212
(355)
1,039
(304.5)
913
(257.6)
834
(244)
771
(226)
724
(212)
677
(198.4)
630
(185)
567
(166)
511
(150)
440
(129)
1-1/2
1.610
3,307
(969)
2,299
(673.8)
1,858
(544.5)
1,559
(457)
1,417
(415.3)
1,275
(373.7)
1,181
(346)
1,086
(318)
1,023
(300)
976
(286)
866
(253.8)
787
(230.5)
675
(198)
2
2.067
6,221
(1823)
4,331
(1259)
3,465
(986)
2,992
(877)
2,646
(775.5)
2,394
(701.6)
2,205
(646)
2,047
(600)
1,921
(563)
1,811
(530.7)
1,606
(470.7)
1,496
(438.4)
1,260
(370)