Illustration Below & Gas Piping Information
Taken From Louisville Tin & Stove Catalog
Gas Supply & Piping
Gas Pipe Sizes – Capacity – *Natural Gas
Capacity – BTU Per Hour Input
|
Gas Tubing & Pipe Sizes – Capacity – *L.P. Gas
Capacity – BTU Per Hour Input
|
Length of Pipe
Feet
|
Inside Pipe Diameter
|
Length of Pipe/Tubing Feet
|
** Copper Tubing
Outside Diameter
|
** Steel Pipe
Inside Diameter
|
1/2″
|
3/4″
|
1″
|
1/2″
|
3/4″
|
1/2″
|
3/4″
|
10
|
132,000
|
278,000
|
520,000
|
10
|
92,000
|
329,000
|
275,000
|
567,000
|
20
|
92,000
|
190,000
|
350,000
|
20
|
62,000
|
216,000
|
189,000
|
393,000
|
30
|
73,000
|
152,000
|
285,000
|
30
|
50,000
|
181,000
|
152,000
|
315,000
|
40
|
63,000
|
130,000
|
245,000
|
40
|
41,000
|
145,000
|
129,000
|
267,000
|
50
|
56,000
|
115,000
|
215,000
|
50
|
37,000
|
131,000
|
114,000
|
237,000
|
60
|
50,000
|
105,000
|
195,000
|
60
|
35,000
|
121,000
|
103,000
|
217,000
|
** Based on heating value of 1000 btu per cubic foot (specific gravity of 0.6) @ 0.5 PSIG and a pressure drop of 0.3 inch water cloumn.
** Steel pipe should be of at least standard weight
(Schedule 40)
|
** Undiluted Liguified Petroleum Gas @ 11 inches water column inlet pressure. Based on a pressure drop of 0.5 inches water column.
** Copper tubing must comply with limitations of NATIONAL FUEL GAS CODE reference 2.6.3 metallic tubing.
|
Support the piping or tubing at regular intervals with metal pipe strapping
See Chart Below:
|
Nominal Size Steel Pipe |
Spacing of Supports
|
Nominal size of tubing O.D.
|
Spacing of Supports
|
1/2″
3/4″ or 1″
|
6′
8′
|
1/2″
5/8″ or 3/4″”
|
4′
6′
|
|