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Sizing Between 1
st
and 2
nd
Stage Regulator*
Maximum propane capacities listed are based on 2 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 Piping Chart I
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
"
10 (3)
730
1,700
3,200
5,300
8,300
3,200
7,500
20 (6.1)
500
1,100
2,200
3,700
5,800
2,200
4,200
30 (9.2)
400
920
2,000
2,900
4,700
1,800
4,000
40 (12.2)
370
850
1,700
2,700
4,100
1,600
3,700
50 (15.2)
330
770
1,500
2,400
3,700
1,500
3,400
60 (18.3)
300
700
1,300
2,200
3,300
1,300
3,100
80 (24.4)
260
610
1,200
1,900
2,900
1,200
2,600
100 (30.5)
220
540
1,000
1,700
2,600
1,000
2,300
125 (38.1)
200
490
900
1,400
2,300
900
2,100
150 (45.7)
190
430
830
1,300
2,100
830
1,900
175 (53.3)
170
400
780
1,200
1,900
770
1,700
200 (61)
160
380
730
1,100
1,800
720
1,500
Propane Gas Piping 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)
39
92
199
329
501
275
567
1,071
2,205
3,307
20 (6.1)
26
62
131
216
346
189
393
732
1,496
2,299
30 (9.2)
21
50
107
181
277
152
315
590
1,212
1,858
40 (12.2)
19
41
90
145
233
129
267
504
1,039
1,559
50 (15.2)
18
37
79
131
198
114
237
448
913
1,417
60 (18.3)
16
35
72
121
187
103
217
409
834
1,275
80 (24.4)
13
29
62
104
155
89
185
346
724
1,066
100 (30.5)
11
26
55
90
138
78
162
307
630
976
125 (38.1)
10
24
48
81
122
69
146
275
567
866
150 (45.7)
9
21
43
72
109
63
132
252
511
787
200 (61)
8
19
39
66
100
54
112
209
439
665
250 (76.2)
8
17
36
60
93
48
100
185
390
590