Custom Search
Sponsored Links
With more than one consumer supplied from the same service pipe a diversity can be expected as indicated below:

| Nominal Size of Gas Pipe (inches) | |||||||||
| No. of Apartments | Length of Service Pipe (feet) | ||||||||
| 20 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | |
| 4 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 8 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 10 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 12 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 1/2 |
| 14 | 2 | 2 | 2 | 2 | 2 | 2 1/2 | 2 1/2 | 2 1/2 | 2 1/2 |
| 16 | 2 | 2 | 2 | 2 1/2 | 2 1/2 | 2 1/2 | 2 1/2 | 2 1/2 | 2 1/2 |
| 20 | 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 |
| 24 | 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 |
| 30 | 2 1/2 | 2 1/2 | 2 1/2 | 2 1/2 | 2 1/2 | 3 | 3 | 3 | 3 |
| 40 | 2 1/2 | 2 1/2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 |
| 48 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
| Nominal Size of Gas Pipe (inches) | |||||||||
| No. of Apartments | Length of Service Pipe (feet) | ||||||||
| 120 | 130 | 140 | 150 | 160 | 170 | 180 | 190 | 200 | |
| 4 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 8 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| 10 | 2 | 2 | 2 | 2 1/2 | 2 1/2 | 2 1/2 | 2 1/2 | 2 1/2 | 2 1/2 |
| 12 | 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 |
| 14 | 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 |
| 16 | 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 |
| 20 | 2 1/2 | 2 1/2 | 2 1/2 | 3 | 3 | 3 | 3 | 3 | 3 |
| 24 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| 30 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| 40 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| 48 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
The table is based on schedule 40 pipe and can be used for a low pressure services at 6 inches of water, gas 0.6 specific gravity and 0.3 inches of water pressure drop.
Sponsored Links
Custom Search
Engineering ToolBox - SketchUp Edition - enabled for use with the amazing, fun and free Google SketchUp