
VENTING WITH THREE (3) 90° ELBOWS
V | H | H + H1 |
1´MIN. (305mm) | 2´MAX. (610mm) | 5´MAX. (1.52m) |
2´MIN. (610mm) | 4´MAX. (1.22m) | 10´MAX. (3.1m) |
3´MIN. (914mm) | 6´MAX. (1.86m) | 15´MAX. (4.65m) |
4´MIN. (1.22m) | 8´MAX. (2.48m) | 20´MAX. (6.2m) |
V1+V+H+H1 = 40´ MAX.(12.4 m) H = 8´MAX.(2.48 m) H+H 1 = 20´MAX.(6.2 m)
| V |
| H | H + H1 + H2 | ||||||||||||||
1´MIN. (305mm) | 2´MAX. (610mm) | 5´MAX. (1.52m) | ||||||||||||||||
2´MIN. | (610mm) | 4´MAX. (1.22m) | 10´MAX. (3.1m) | |||||||||||||||
3´MIN. | (914mm) | 6´MAX. (1.86m) | 15´MAX. (4.65m) | |||||||||||||||
4´MIN. | (1.22m) | 8´MAX. (2.48m) | 20´MAX. (6.2m) | |||||||||||||||
V+H+H1+H2 = 40´ MAX. (12.4 m) |
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| H = 8´ MAX. (2.48 m) | H+H 1+H2 = 20´ MAX. (6.2 m) | ||||||||||||
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Figure 16. Venting with three 90° elbows
18