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WAL-RICH CORPORATION SINCE 1950
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32
10
20
30
40
50
60
70
80
90
100
125
150
175
200
250
300
350
400
450
500
201
138
111
95
84
76
70
65
61
58
51
46
43
40
35
32
29
27
26
24
403
277
222
190
169
153
140
131
123
116
103
93
86
80
71
64
59
55
51
48
726
499
401
343
304
276
254
236
221
209
185
168
154
144
127
115
106
99
93
88
1260
865
695
594
527
477
439
409
383
362
321
291
268
249
221
200
184
171
160
152
1900
1310
1050
898
796
721
663
617
579
547
485
439
404
376
333
302
278
258
242
229
3410
2350
1880
1610
1430
1300
1190
1110
1040
983
871
789
726
675
598
542
499
464
435
411
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: .60
LOW PRESSURE < 2PSI
10
20
30
40
50
60
70
80
90
100
125
150
175
200
250
300
350
400
450
500
1860
1280
1030
878
778
705
649
603
566
535
474
429
395
368
326
295
272
253
237
224
3720
2560
2050
1760
1560
1410
1300
1210
1130
1070
949
860
791
736
652
591
544
506
475
448
6710
4610
3710
3170
2810
2550
2340
2180
2050
1930
1710
1550
1430
1330
1180
1070
981
913
856
809
11600
7990
6420
5490
4870
4410
4060
3780
3540
3350
2970
2690
2470
2300
2040
1850
1700
1580
1480
1400
17600
12100
9690
8300
7350
6660
6130
5700
5350
5050
4480
4060
3730
3470
3080
2790
2570
2390
2240
2120
31600
21700
17400
14900
13200
12000
11000
10200
9610
9080
8050
7290
6710
6240
5530
5010
4610
4290
4020
3800
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: .60
HIGH PRESSURE = 2PSI
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.
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
* Values listed are in cubic feet/meter (cfm). To
calculate BTU, multiply by 1000.
** Source: NFPA 54-2012 Table 6.2 (s)
HIGH PRESSURE = 2PSI
NATURAL GAS