
9
Sizing Between 1
st
and 2
nd
Stage Regulator*
Maximum propane capacities listed are based on 1 psig pressure drop at 10 psig setting. Capacities in 1,000 Btu/h.
To convert to capacities at 15 psig settings—multiply by 1.13. To convert to capacities at 5 psig settings—multiply by 0.879.
Sizing Between Single or 2
nd
Stage Regulator and Appliance*
Maximum propane capacities listed are based on
¹⁄₂
" W.C. pressure drop at 11" W.C. setting. Capacities in 1,000 Btu/h.
Data in accordance with NFPA pamphlet Number 54.
Propane Gas Pipe Sizing Chart I
Pipe or Tubing
Length—ft (m)
Tubing Size, O.D., Type L
Nominal Pipe Size, Schedule 40
³⁄₈
"
¹⁄₂
"
⁵⁄₈
"
³⁄₄
"
⁷⁄₈
"
¹⁄₂
"
³⁄₄
"
30 (9.2)
309
700
1,303
2,205
3,394
1,843
3,854
40 (12.2)
265
599
1,115
1,887
2,904
1,577
3,298
50 (15.2)
235
531
988
1,672
2,574
1,398
2,923
60 (18.3)
213
481
896
1,515
2,332
1,267
2,649
70 (21.3)
196
446
824
1,394
2,146
1,165
2,437
80 (24.4)
182
412
767
1,297
1,996
1,084
2,267
90 (27.4)
171
386
719
1,217
1,873
1,017
2,127
100 (30.5)
161
365
679
1,149
1,769
961
2,009
150 (45.7)
130
293
546
923
1,421
772
1,613
200 (61)
111
251
467
790
1,216
660
1,381
250 (76.2)
90
222
414
700
1,078
585
1,224
300 (91.4)
89
201
378
634
976
530
1,109
350 (106.7)
82
185
345
584
898
488
1,020
400 (121.9)
76
172
321
543
836
454
949
Propane Gas Pipe Sizing Chart II
Tubing Size, O.D. Type L
Nominal Pipe Size Schedule 40
Pipe or Tubing Length—ft (m)
³⁄₈
"
¹⁄₂
"
⁵⁄₈
"
³⁄₄
"
⁷⁄₈
"
¹⁄₂
"
³⁄₄
"
1"
1
¹⁄₄
"
1
¹⁄₂
"
10 (3)
49
110
206
348
539
291
608
1,146
2,353
3,525
20 (6.1)
34
76
141
239
368
200
418
788
1,617
2,423
30 (9.2)
27
61
114
192
296
161
336
632
1,299
1,946
40 (12.2)
23
52
97
164
253
137
284
541
1,111
1,665
50 (15.2)
20
46
86
146
224
122
255
480
985
1,476
60 (18.3)
19
42
78
132
203
110
231
436
892
1,337
80 (24.4)
16
36
67
113
174
94
198
372
764
1,144
100 (30.5)
14
32
59
100
154
84
175
330
677
1,014
125 (38.1)
12
28
52
89
137
74
155
292
600
899
150 (45.7)
11
26
48
80
124
67
141
265
544
815
200 (61)
10
22
41
69
106
58
120
227
465
697
250 (76.2)
9
19
36
61
94
51
107
201
412
618
300 (91.4)
8
18
33
55
85
46
97
182
374
560
350 (106.7)
7
16
30
51
78
43
89
167
344
515
400 (121.9)
7
15
28
47
73
40
83
156
320
479