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15
1´ MIN. (305 mm)
2´ MAX. (610 mm)
5´ MAX. (1.52 m)
2´ MIN. (610 mm)
4´ MAX. (1.22 m)
10´ MAX. (3.1 m)
3´ MIN. (914 mm)
6´ MAX. (1.86 m)
15´ MAX. (4.65 m)
4´ MIN. (1.22 m)
8´ MAX. (2.48 m)
20´ MAX. (6.2 m)
V+H+H
1
+H
2
= 40
´
MAX. (12.4 m) 8´ MAX. (2.48 m)
20´ MAX. (6.2 m)
VENTING WITH THREE (3) 90
°
ELBOWS
V
H
H + H
1
+ H
2
1´ MIN. (305 mm)
2´ MAX. (610 mm)
5´ MAX. (1.52 m)
2´ MIN. (610 mm)
4´ MAX. (1.22 m)
10´ MAX. (3.1 m)
3´ MIN. (914 mm)
6´ MAX. (1.86 m)
15´ MAX. (4.65 m)
4´ MIN. (1.22 m)
8´ MAX. (2.48 m)
20´ MAX. (6.2 m)
V
1
+V+H+H
1
= 40
´
MAX. (12.4 m) 8´ MAX. (2.48 m) 20´ MAX. (6.2 m)
VENTING WITH THREE (3) 90
°
ELBOWS
V
H H + H
1
Figure 13. Venting with three 90° elbows