Wolf COB - Page 49

49
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Balanceduerouting,rigidandexibleinaduct
Minimum duct sizes
RequiredsecondaryventilationtoDIN18160
C93x
Minimum duct sizes
forbalancedueoperationC93x
B23, B33 open ue
in a DN80 duct
B23/B33 open ue
in a DN80 duct
Assumptions: In the installation room,
2 x tee, 1 x 87° bend + 1.5 m horizontal
with 87° support bend
C93x balanced ue
MinimumductsizesforopenueoperationB23,B33and
balancedueoperationC53(x),C83(x)
31. Design information
C93x
Round Ø Square
DN 80 150 mm 130 mm
DN 110 190 mm 170 mm
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
Square duct a x a (mm)
Max. vertical length (m)
Flue DN80 (COB-15/20/29), DN110 (COB-40)
10
8
12
14
16
18
20
22
24
26
28
30
32
120 130 140 150 160 170 180
COB-40
COB-29
COB-15/-20
Round duct Ø (mm)
Max. vertical length (m)
Flue DN80 (COB-15/20/29), DN110 (COB-40)