Wolf COB - Page 60

60
3062547_201802
MinimumductsizesforroomsealedoperationC93x
Assuming:
1 x 87° bend + 1.5 m horizontal with 87° support bend
Square duct a x a (mm)
Max. vertical length [m]
5
7
9
11
13
15
100 110 120 130 140 150 160
Square duct a x a (mm)
FlueDN60(COB-15)
Rigid ue DN60
Flexible ue DN60
Max. vertical length [m]
10
8
110 120 130 140 150 160
12
14
16
18
20
22
24
26
28
30
32
COB-29
COB-15/-20
COB-40
FlueDN80(COB-15/20/29),DN110(COB-40)
36 Technicalinformation
Round duct Ø (mm)
Max. vertical length [m]
10
8
12
14
16
18
20
22
24
26
28
30
32
120 130 140 150 160 170
COB-40
COB-29
COB-15/-20
FlueDN80(COB-15/20/29),DN110(COB-40)
5
7
9
11
13
15
100 110 120 130 140 150 160
Round duct Ø (mm)
FlueDN60(COB-15)
Rigid ue DN60
Flexible ue DN60
Max. vertical length [m]
Due to the required secondary ventilation in accordance with
DIN 18160, when routing a balanced ue so that it is rigid and
exible in a duct, the following min. shaft size is required.
MinimumductsizesforroomsealedoperationB23,B33and
roomsealedoperationC53(x)
Circular Ø
Square
DN 60 130 mm 110 mm
DN 80 150 mm 130 mm
DN 110 190 mm 170 mm
The space between the ue line and shaft shall be
continuously back-ventilated.