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WAL-RICH CORPORATION • UNDERGROUND GAS PRODUCTS 2014
6
10
20
30
40
50
60
70
80
90
100
125
150
175
200
250
300
350
400
450
500
340
233
187
160
142
129
119
110
103
98
87
78
72
67
60
54
50
46
43
41
680
468
375
321
285
258
237
221
207
196
173
157
145
135
119
108
99
92
87
82
1230
844
677
580
514
466
428
398
374
353
313
284
261
243
215
195
179
167
157
148
2130
1460
1170
1000
890
807
742
690
648
612
542
491
452
420
373
338
311
289
271
256
3210
2210
1770
1520
1340
1220
1120
1040
978
924
819
742
683
635
563
510
469
436
409
387
5770
3970
3180
2730
2420
2190
2010
1870
1760
1660
1470
1330
1230
1140
1010
916
843
784
736
695
Length
(feet)
1/2 IPS 3/4 IPS 1 IPS 1 1/4 IPS 1 1/2 IPS 2 IPS
SDR-9.3 SDR-11 SDR-11 SDR-11 SDR-11SDR-10
Pressure Drop: .5 in w.c. Spec. Gravity: 1.50
* Values listed are in cubic feet/meter (cfm). To calculate BTU, multiply by 1000.
*Reproduced with permission from NFPA 54, National Fuel Gas Code, Copyright 2012. This reprinted material is not the complete and official position of the NFPA on the referenced subject, which
is represented only by the standard in its entirety. Please consult your NFPA 54/ICC Fuel Gas codebook and appliance’s technical literature for more detailed sizing and installation instructions.
PROPANE: LOW PRESSURE: 11 IN. W.C.
PROPANE
** Source: NFPA 54-2012 Table 6.2 (s)
10
20
30
40
50
60
70
80
90
100
125
150
175
200
250
300
350
400
450
500
3130
2150
1730
1480
1310
1190
1090
1010
952
899
797
722
664
618
548
496
457
425
399
377
6260
4300
3450
2960
2620
2370
2180
2030
1910
1800
1600
1450
1330
1240
1100
994
914
851
798
754
11300
7760
6230
5330
4730
4280
3940
3670
3440
3250
2880
2610
2400
2230
1980
1790
1650
1530
1440
1360
19600
13400
10800
9240
8190
7420
6830
6350
5960
5630
4990
4520
4160
3870
3430
3110
2860
2660
2500
2360
29500
20300
16300
14000
12400
11200
10300
9590
9000
8500
7530
6830
6280
5840
5180
4690
4320
4020
3770
3560
53100
36500
29300
25100
22200
20100
18500
17200
16200
15300
13500
12300
11300
10500
9300
8430
7760
7220
6770
6390
Length
(feet)
1/2 IPS
3/4 IPS 1 IPS
1 1/4 IPS
1 1/2 IPS
2 IPS
SDR-9.3 SDR-11 SDR-11
SDR-11
SDR-11
SDR-10
Pressure Drop: 1.0 in w.c. Spec. Gravity: 1.50
PROPANE: HIGH PRESSURE = 2PSI
PROPANE
30
40
50
60
70
80
90
100
125
150
175
200
250
300
350
400
450
500
2143
1835
1626
1473
1355
1261
1183
1117
990
897
826
778
681
617
567
528
495
468
Length
(feet)
1/2 IPS
3/4 IPS 1 IPS
1 1/4 IPS
1 1/2 IPS
2 IPS
SDR-9.3 SDR-11
SDR-11
SDR-11
SDR-11
SDR-10
Pressure Drop: 1.0 in w.c. Spec. Gravity: 1.50
PROPANE: FIRST-STAGE TO SECOND STAGE
4292
3673
3256
2950
2714
2525
2369
2238
1983
1797
1653
1539
1363
1235
1136
1057
992
937
7744
6628
5874
5322
4896
4555
4274
4037
3578
3242
2983
2775
2459
2228
2050
1907
1789
1690
13416
11482
10176
9220
8483
7891
7404
6994
6199
5616
5167
4807
4260
3860
3551
3304
3100
2928
20260
17340
15368
13924
12810
11918
11182
10562
9361
8482
7803
7259
6434
5830
5363
4989
4681
4422
36402
31155
27612
25019
23017
21413
20091
18978
16820
15240
14020
13043
11560
10474
9636
8965
8411
7945