|
| NATURAL GAS |
|
| PROPANE |
| |
|
| VENTING WITH THREE 90° ELBOWS | VENTING WITH THREE 90° ELBOWS | ||||
|
| V + V1 (FT.) | H + H1 (FT.) | V + V1 (FT.) | H + H1 (FT.) | ||
|
| 1' MIN. (305mm) | 3' MAX. (914mm) | 1' MIN. (305mm) | 2' MAX. (610mm) | ||
|
| 2' MIN. (610mm) | 6' MAX. | (1.83m) | 2' MIN. (610mm) | 4' MAX. | (1.22m) |
|
| 3' MIN. (914mm) | 9' MAX. | (2.7m) | 3' MIN. (914mm) | 6’ MAX. (1.83m) | |
|
| 4' MIN. (1.22m) | 12' MAX. | (3.6m) | 4' MIN. (1.22m) | 8' MAX. | (2.4m) |
|
| 5’ MIN. (1.5m) | 15’ MAX. | (4.5m) | 5’ MIN. (1.5m) | 10' MAX. | (3.0m) |
|
| 6’ MIN. (1.83m) | 18’ MAX. | (5.5m) | 6’ MIN. (1.83m) | 12' MAX. | (3.6m) |
|
| V+ V1 + H + H1 = 50’ MAX. (15.2m) | V+ V1 + H + H1 = 50’ MAX. (15.2m) | ||||
|
| H + H1 = 18’ MAX. (5.5m) |
| 1 |
| ||
|
|
|
|
| H + H = 12’ MAX. (3.6m) | ||
V1 |
|
|
|
|
|
|
|
|
|
| V |
|
|
|
|
| H1 |
|
|
|
|
|
|
|
|
| H |
|
|
|
|
|
|
|
|
| V |
|
|
| H2 |
|
|
|
|
|
|
|
|
|
| H1 |
|
|
|
|
|
|
|
| H |
|
|
NATURAL GAS |
|
| PROPANE |
|
|
| |
VENTING WITH THREE 90° ELBOWS | VENTING WITH THREE 90° ELBOWS |
|
| ||||
V + V1 (FT.) | H + H1 + H2 (FT.) | V + V1 (FT.) | H + H1 + H2 (FT.) |
|
| ||
1' MIN. (305mm) | 3' MAX. (914mm) | 1' MIN. (305mm) | 2' MAX. (610mm) |
|
| ||
2' MIN. (610mm) | 6' MAX. | (1.83m) | 2' MIN. (610mm) | 4' MAX. | (1.22m) |
|
|
3' MIN. (914mm) | 9' MAX. | (2.7m) | 3' MIN. (914mm) | 6’ MAX. (1.83m) |
|
| |
4' MIN. (1.22m) | 12' MAX. | (3.6m) | 4' MIN. (1.22m) | 8' MAX. | (2.4m) |
|
|
5’ MIN. (1.5m) | 15’ MAX. | (4.5m) | 5’ MIN. (1.5m) | 10' MAX. | (3.0m) |
|
|
6’ MIN. (1.83m) | 18’ MAX. | (5.5m) | 6’ MIN. (1.83m) | 12' MAX. | (3.6m) |
|
|
V+ V1 + H + H1 + H2 = 50’ MAX. (15.2m) | V+ V1 + H + H1 + H2 = 50’ MAX. (15.2m) |
|
| ||||
H + H1 + H2 = 18’ MAX. (5.5m) | H + H1 + H2 = 12’ MAX. (3.6m) |
|
| ||||
Figure 18. Venting with three 90° elbows |
|
|
|
|
| ||
22 |
|
| |||||
