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test ConneCtions
All connections and joints must be thoroughly tested for leaks in accordance with local
codes and all listed procedures in the latest edition of the National Fuel Gas Code ANSI
Z223.1/NFPA 54, Natural Gas and Propane Installation Code, CSA B149.1, or Propane
Storage and Handling Code, B149.2, or the Standard for Recreational Vehicles, ANSI A
119.2/NFPA 1192, and CSA Z240 RV Series, Recreational Vehicle Code, as applicable.
m danGer
do not use an open flame to check for gas leaks. be sure
there are no sparks or open flames in the area while you
check for gas leaks. this will result in a fire or explosion
which can cause serious bodily injury or death, and damage
to property.
◆
table
6.2(a)
nominal
actual
pipe
id
size
(inches)
10
(inches)
1/2
.622
131
3/4
.824
273
1
1.049
514
1 1/4
1.380
1,060
1 1/2
1.610
1,580
2
2.067
3,050
2 1/2
2.469
4,860
3
3.068
8,580
4
4.026
17,500
© 2009 National Fire Protection Association, Inc. and International Approval Services - U.S., Inc. All Rights Reserved.
24
maximum Capacity of metallic pipe in Cubic feet of Gas per hour for Gas pressures of 2 psi or less
and a pressure drop of 0.3 inch water Column (based on a 0.60 specific Gravity Gas)
20
30
40
90
72
62
188
151
129
353
284
243
726
583
499
1,090
873
747
2,090
1,680
1,440
3,340
2,680
2,290
5,900
4,740
4,050
12,000
9,660
8,270
GaS SUPPLY
length of pipe (feet)
50
60
70
80
55
50
46
42
114
104
95
89
215
195
179
167
442
400
368
343
662
600
552
514
1,280
1,160
1,060
989
2,030
1,840
1,690
1,580
3,590
3,260
3,000
2,790
7,330
6,640
6,110
5,680
90
100
125
150
40
38
33
30
83
79
70
63
157
148
131
119
322
304
269
244
482
455
403
366
928
877
777
704
1,480
1,400
1,240
1,120
2,610
2,470
2,190
1,980
5,330
5,040
4,460
4,050
175
200
28
26
58
54
109
102
224
209
336
313
648
602
1,030
960
1,820
1,700
3,720
3,460
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