24
GNA-2538 R0
Table 3.
Line Sizing Chart — Liquid Propane (LP) Gas Liquid — Copper Tubing
Liquid Propane Flow Rate
Line Length
Copper Tubing — Type K
Outside Diameter
3/8” (9.5 mm)
1/2” (12.7 mm)
5/8” (15.9 mm)
BTUs/hr
(1,000s)
Gallons/hr
(GPH)
Litres/hr
(LPH)
ft
m
ft
m
ft
m
915
10
37.9
328
99.9
1316
401.1
1830
20
75.7
82
25.0
329
100.3
1410
430
3660
40
151.4
20
6.1
82
25.0
354
107.9
5490
60
227.1
9
2.7
36
10.9
157
47.9
7320
80
302.8
20
6.1
83
25.3
9150
100
378.5
13
4.0
56
17.1
12810
140
529.9
29
8.8
16470
180
681.3
17
5.2
18300
200
757
14
4.3
Table 4.
Line Sizing Chart — Liquid Propane (LP) Gas Liquid — Schedule 80 Pipe
Liquid Propane Flow
Rate
Line Length
Schedule 80 Pipe
1/4” (6.4 mm)
3/8” (9.5 mm)
1/2” (12.7 mm)
3/4” (19.1 mm)
1” (25.4 mm)
1–1/4”
(31.8 mm)
BTUs/
hr
(1,00-
0s)
Gal-
lons/
hr
(GPH)
Li-
tres/
hr
(LPH)
ft
m
ft
m
ft
m
ft
m
ft
m
ft
m
915
10
37.9
729
222.2
1830
20
75.7
182
55.5
825
251.5
3660
40
151.4
46
14.0
205
62.5
745
227.1
5490
60
227.1
20
6.1
92
28.0
331
100.9
7320
80
302.8
11
3.4
51
15.5
187
57.0
735
224.0
9150
100
378.5
7
2.1
33
10.1
119
36.3
470
143.3
12810
140
529.9
15
4.6
61
18.6
240
73.2
813
247.8
16470
180
681.3
37
11.3
145
44.2
491
149.7
18300
200
757
30
9.1
118
36.0
399
121.6
25620
280
1060
15
4.6
60
18.3
204
62.2
27450
300
1136
13
4.0
52
15.8
177
53.9
785
239.3
AXIAL FAN HEATER – LP AND NG-FIRED HEATER