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Tanks and Piping
Complete information regarding tank sizing for vaporization,
recommended regulator settings, and pipe sizing is available
from most regulator manufacturers and propane gas suppliers.
Since propane gas will quickly dissolve white lead and most
standard commercial compounds, special pipe dope must be
used. Shellac-based compounds resistant to the actions of
liquefied petroleum gases are satisfactory.
Sizing Between 1
st
and 2
nd
Maximum propane capacities listed are based on 1 psig pressure drop at 10 psig setting. Capacities in 1,000 Btu/h.
Propane Gas Piping Chart I
Tubing Size, O.D., Type L
Pipe or Tubing
³⁄₈"
Length—ft (m)
30 (9.2)
309
40 (12.2)
265
50 (15.2)
235
60 (18.3)
213
70
196
80 (24.4)
182
90
171
100 (30.5)
161
150 (45.7)
130
200 (61)
111
250
90
300
89
350
82
400
76
To convert to capacities at 15 psig settings—multiply by 1.13. To convert to capacities at 5 psig settings—multiply by 0.879.
Stage Regulator*
¹⁄₂"
⁵⁄₈"
700
1,303
599
1,115
531
988
481
896
446
824
412
767
386
719
365
679
293
546
251
467
222
414
201
378
185
345
172
321
Propane Gas Installation—Typical
A
A. 1
st
stage regulator
B. 5 to 15 psig (20 psig maximum)
NOTE: 200 psig maximum tank pressure.
³⁄₄"
⁷⁄₈"
2,205
3,394
1,887
2,904
1,672
2,574
1,515
2,332
1,394
2,146
1,297
1,996
1,217
1,873
1,149
1,769
923
1,421
790
1,216
700
1,078
634
976
584
898
543
836
B
C
C. 2
nd
stage regulator
D. Continuous 11" W.C.
Nominal Pipe Size, Schedule 40
¹⁄₂"
³⁄₄"
1,843
3,854
1,577
3,298
1,398
2,923
1,267
2,649
1,165
2,437
1,084
2,267
1,017
2,127
961
2,009
772
1,613
660
1,381
585
1,224
530
1,109
488
1,020
454
949
D
13
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