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Sizing Between 1
st
and 2
nd
Maximum propane capacities listed are based on 2 psig pressure drop at 10 psig setting. Capacities in 1,000 Btu/h.
Propane Gas Piping Chart I
Pipe or Tubing Length—ft (m) ³⁄₈
10 (3)
20 (6.1)
30 (9.2)
40 (12.2)
50 (15.2)
60 (18.3)
80 (24.4)
100 (30.5)
125 (38.1)
150 (45.7)
175 (53.3)
200 (61)
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
Maximum Propane Capacities Listed are Based on ¹⁄₂" W.C. pressure drop at 11" W.C. setting. Capacities in 1,000 Btu/h.
Propane Gas Piping Chart II
Pipe or Tubing Length—ft (m) ³⁄₈
10 (3)
20 (6.1)
30 (9.2)
40 (12.2)
50 (15.2)
60 (18.3)
80 (24.4)
100 (30.5)
125 (38.1)
150 (45.7)
200 (61)
250 (76.2)
Data in accordance with NFPA pamphlet Number 54.
32
Stage Regulator*
Tubing Size, O.D. Type L
¹⁄₂
730
1,700
500
1,100
400
920
370
850
330
770
300
700
260
610
220
540
200
490
190
430
170
400
160
380
nd
Stage Regulator and Appliance*
Tubing Size, O.D. Type L
¹⁄₂
⁵⁄₈
39
92
199
26
62
131
21
50
107
19
41
90
18
37
79
16
35
72
13
29
62
11
26
55
10
24
48
9
21
43
8
19
39
8
17
36
⁵⁄₈
³⁄₄
⁷⁄₈
3,200
5,300
8,300
2,200
3,700
5,800
2,000
2,900
4,700
1,700
2,700
4,100
1,500
2,400
3,700
1,300
2,200
3,300
1,200
1,900
2,900
1,000
1,700
2,600
900
1,400
2,300
830
1,300
2,100
780
1,200
1,900
730
1,100
1,800
³⁄₄
⁷⁄₈
1¹⁄₈
329
501
935
216
346
630
181
277
500
145
233
427
131
198
376
121
187
340
104
155
289
90
138
255
81
122
224
72
109
202
66
100
187
60
93
172
Nominal Pipe Size Schedule 40
¹⁄₂
³⁄₄
3,200
7,500
2,200
4,200
1,800
4,000
1,600
3,700
1,500
3,400
1,300
3,100
1,200
2,600
1,000
2,300
900
2,100
830
1,900
770
1,700
720
1,500
Nominal Pipe Size Schedule 40
¹⁄₂
³⁄₄
1
275
567
1,071
189
393
732
152
315
590
129
267
504
114
237
448
103
217
409
89
185
346
78
162
307
69
146
275
63
132
252
54
112
209
48
100
185
1¹⁄₄
1¹⁄₂
2,205
3,307
1,496
2,299
1,212
1,858
1,039
1,559
913
1,417
834
1,275
724
1,066
630
976
567
866
511
787
439
665
390
590
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