6
BORÅS
Tel +46 (0)33 - 23 67 80
STOCKHOLM
Tel +46 (0)8 - 54 55 12 70
Fire damper BSKC9
EI90
Size - 500
Size - 400
Size - 630
Dimensioning diagram contd.
1
10
100
200
10
1000 2000
100
45
50
55
60
65
Air flow (l/s)
Total pressure drop, Pa
Sound power level
L
W
, dB
1
10
100
200
100
1000
2000
50
55
60
65
Air flow (l/s)
Total pressure drop, Pa
Sound power level
L
W
, dB
1
10
100
200
100
1000
3000
50
55
60
65
Air flow (l/s)
Total pressure drop, Pa
Sound power level
L
W
, dB
Correction of sound power level, L
Wok
, in octave band
L
wok
= L
w
+ K
ok
Sound data
Correction, K
ok
Size
Ø mm
Centre Frequency Hz
63
125
250
500 1000 2000 4000 8000
100
-4
-9
-10
-10
-10
-15
-18
-22
125
-4
-8
-8
-9
-10
-15
-21
-22
160
-4
-7
-9
-11
-14
-16
-20
-25
200
-2
-8
-11
-14
-15
-18
-23
-25
250
-2
-11
-11
-14
-14
-21
-27
-28
315
-1
-12
-14
-16
-15
-23
-29
-29
400
-2
-10
-13
-15
-15
-21
-28
-29
500
-1
-11
-14
-17
-18
-24
-31
-32
630
-1
-11
-15
-17
-17
-25
-28
-31
Tol. ± dB
1
2
5
6
6
4
3
4
