Minimum Shaft Sizes - Wolf COB-2 Operation Instructions Manual

Planning
4.6.5

Minimum shaft sizes

Room sealed operation C93x
Assuming: 1 x 87° bend + 1.5 m horizontal with 87° support bend
DN60 (COB-2-15)
[m]
q
DN80 (COB-2-15/20/29), DN110 (COB-2-40)
32
30
28
26
24
22
20
[m]
18
q
16
14
12
10
8
110
Fig. 4.5 Shaft size
Max. vertical length [m]
q
Rigid flue
w
Open flue operation B23, B33 and room sealed operation C53(x)
Due to the need for permanent secondary ventilation between the flue and shaft in accordance with DIN
18160, when installing rigid and flexible air/flue gas lines in a shaft, the following min. shaft sizes are
required:
DN 60
DN 80
DN 110
Table 4.11 Minimum shaft size
24 | WOLF GmbH
a x a [mm]
120 130 140
a x a [mm]
a
a
w
[m]
q
e
32
COB-2-15/-20
30
28
COB-2-29 26
24
22
COB-2-40
20
[m]
18
q
16
14
12
10
8
150 160
120
Flexible flue
e
Circular diameter
130 mm
150 mm
190 mm
Ø
Ø [mm]
130 140 150
Ø [mm]
Rectangular width
110 mm
130 mm
170 mm
w
e
COB-2-15/-20
COB-2-29
COB-2-40
160 170
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