100
125
160
200
250
315
355
1
10
100
10
100
1000
10000
∆
P [
Pa
]
Q [m
3
/h]
30
35
40
45
50
55
L
WA
[dB(A)]
2
3
5
6
7
8
9
10
11
12
4
v
eff
[m/s]
20
25
Technical data
Selection example:
For the given duct dimensions, we select a SCFC-PD damper with a diameter of 200 mm for a flow rate of 500 m
3
/h.
Referring to the diagram above using this flow rate we find the following data:
V
eff
: 5,3 m/s.
Differential pressure: 9 Pa
Noise level: 28 dB(A)
SCFC-PD Diagram
Series SF
30
