400
450
500
560
630
650 700
1
10
100
1000
10000
100000
∆
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
710 750 800
Technical data
Selection example:
For the given duct dimensions, we select a SCFC-GD damper with a diameter of 500 mm for a flow rate of 5000 m
3
/h.
Referring to the diagram above using this flow rate we find the following data:
V
eff
: 8,1 m/s.
Differential pressure: 10 Pa
Noise level: 43 dB(A)
SCFC-GD Diagram
Series SF
31