TOTAL BTU/HR
(for LP Gas correct
total BTU/HR below by
multiplying by .6)
60,000
80,000
100,000
120,000
140,000
160,000
180,000
200,000
300,000
400,000
500,000
600,000
700,000
800,000
900,000
1,000,000
1,100,000
1,200,000
1,300,000
1,400,000
1,500,000
1,600,000
1,700,000
1,800,000
1,900,000
2,000,000
2,200,000
2,400,000
2,600,000
2,800,000
3,000,000
3,200,000
3,400,000
3,600,000
3,800,000
4,000,000
Gas Pipe Size Chart
GAS PIPE SIZE FOR 1000 BTU (250 KCAL) NATURAL GAS
TOTAL
KCAL
In figuring total length of pipe, make allowance for tees and elbows.
HOUR
(25 ft.)
7,62 m
15000
3/4
20000
3/4
25200
3/4
30200
3/4
35200
3/4
40300
3/4
45300
1
50400
1
75600
1
100800
1 1/4
126000
1 1/4
151200
1 1/2
176400
1 1/2
202000
1 1/2
230000
2
250000
2
270000
2
300000
2
330000
2
350000
2
380000
2
400000
2
430000
2
450000
2 1/2
480000
2 1/2
504000
2 1/2
550000
2 1/2
605000
2 1/2
650000
2 1/2
705000
2 1/2
750000
2 1/2
806000
3
850000
3
907000
3
960000
3
1000000
3
AT 7" W.C. (17.5 MBAR) PRESSURE
(50 ft.)
(75 ft.)
15,24 m
22,86 m
3/4
3/4
3/4
3/4
3/4
1
1
1
1
1
1
1
1
1
1
1 1/4
1 1/4
1 1/4
1 1/4
1 1/2
1 1/2
1 1/2
1 1/2
2
2
2
2
2
2
2
2
2
2
2 1/2
2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
3
2 1/2
3
2 1/2
3
3
3
3
3
3
3
3
3
3
3 1/2
3
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
Page 17
(100 ft.)
(125 ft.)
30,48 m
38,1 m
3/4
3/4
1
1
1
1
1
1
1
1
1 1/4
1 1/4
1 1/4
1 1/4
1 1/4
1 1/4
1 1/2
1 1/2
1 1/2
1 1/2
2
2
2
2
2
2
2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
3
2 1/2
3
3
3
3
3
3
3
3
3
3
3
3
3 1/2
3
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
4
3 1/2
4
4
4
4
4
(150 ft.)
45,72 m
3/4
1
1
1
1 1/4
1 1/4
1 1/4
1 1/2
1 1/2
2
2
2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
2 1/2
3
3
3
3
3
3
3
3 1/2
3 1/2
3 1/2
3 1/2
3 1/2
4
4
4
4
4
4