5
Variant CU4L
Variant CU4L
Damper with a tunnel casing extension at one or both sides so that the damper blade does not exceed the tunnel. This version allows
to connect a grill or a bend directly on the damper flange or to use a circular connection.
Range and dimensions CU4L
Wn/Hn per step of 50 mm; intermediate dimensions are subject to extra cost (heights between ≥ 275 and ≤ 299 mm are not
possible).
Exceeding blade: X = on the mechanism side, Y = on the wall side
102,5+b
227,5+a
y
x
55/65
(Hn-6) x (Wn-6)
L=330+x+y
≥
≤
(Wn x Hn)
mm
200x200
1200x800
Hn < 300 mm
Hn ≥ 300 mm
P
Z
Q
Wn
P
Z Q
Wn
CFTH
ONE
BFL(T)
P
78
104
96
Q
180
191
110
Z
62
47
74
CFTH
ONE
BFL(T)
BFN(T)
P
78
104
96
100
Q
180
191
110
110
Z
157
147
180
180
