![](/images/new-backgrounds/1048095/4809547x1.webp)
TABLE - M
Recommended Gas Pipe Size
Single Appliance Installations
|
|
| Distance from Meter |
|
| |
Btu/hr |
|
|
|
|
|
|
0 - 50 ft. | 51 - 100 ft. | 101 - 200 ft. |
| 201 - 300 ft. | 301 - 500 ft. | |
|
|
|
|
|
|
|
1,500,000 | 2" | 2 1/2" | 3" |
|
| 3 1/2" |
|
|
|
|
|
|
|
1,700,000 | 2 1/2" | 2 1/2" | 3" |
| 3" | 3 1/2" |
|
|
|
|
|
|
|
2,000,000 | 2 1/2" | 3" | 3" |
| 3 1/2" | 4" |
|
|
|
|
|
|
|
For each elbow or tee, add equivalent straight pipe to total length from TABLE - O.
TABLE - N
Multiple Appliance Installations Gas Pipe Size Chart
Nominal |
|
|
|
|
| Length of Pipe in Straight Feet |
|
|
|
| |||||
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
Iron Pipe Size, |
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
Inches |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 125 | 150 | 175 | 200 | |
|
| ||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
3/4 | 369 | 256 | 205 | 174 | 155 | 141 | 128 | 121 | 113 | 106 | 95 | 86 | 79 | 74 | |
| 1 | 697 | 477 | 384 | 328 | 292 | 267 | 246 | 256 | 210 | 200 | 179 | 164 | 149 | 138 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 | 1/4 | 1,400 | 974 | 789 | 677 | 595 | 543 | 502 | 472 | 441 | 410 | 369 | 333 | 308 | 287 |
1 | 1/2 | 2,150 | 1,500 | 1,210 | 1,020 | 923 | 830 | 769 | 707 | 666 | 636 | 564 | 513 | 472 | 441 |
| 2 | 4,100 | 2,820 | 2,260 | 1,950 | 1,720 | 1,560 | 1,440 | 1,330 | 1,250 | 1,180 | 1,100 | 974 | 871 | 820 |
2 1/2 | 6,460 | 4,460 | 3,610 | 3,100 | 2,720 | 2,460 | 2,310 | 2,100 | 2,000 | 1,900 | 1,700 | 1,540 | 1,400 | 1,300 | |
| 3 | 11,200 | 7,900 | 6,400 | 5,400 | 4,870 | 4,410 | 4,000 | 3,800 | 3,540 | 3,300 | 3,000 | 2,720 | 2,500 | 2,340 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 4 | 23,500 | 16,100 | 13,100 | 11,100 | 10,000 | 9,000 | 8,300 | 7,690 | 7,380 | 6,870 | 6,150 | 5,640 | 5,130 | 4,720 |
Maximum Capacity of Pipe in Thousands of Btu’s per hour for gas pressures of 14 Inches Water Column (0.5 PSIG) or less and a pressure drop of 0.5 Inch Water Column (Based on NAT GAS, 1025 Btu’s per Cubic Foot of Gas and 0.60 Specific Gravity).
TABLE - O
Fittings to Equivalent Straight Pipe
Diameter Pipe Fitting (inches)
3/4" |
| 1" | 1 1/4" |
| 1 1/2" |
| 2" |
| 3" |
| 4" |
| 5" | |||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
|
| Equivalent Length of Straight Pipe (feet) |
|
|
| |||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| ||
2' |
| 2' |
| 3' |
| 4' |
| 5' |
| 10' |
| 14' |
| 20' | ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
24