FKR-EU
1
K4 – 1.1 – 25
03/2017 – DE/en
Fire dampers
Quick sizing
Sizing example
Volume flow rate at differential pressure Δp
st
< 35 Pa
L
WA
[dB(A)]
35
45
35
45
Nominal size
mm
l/s
m³/h
315
460
670
1660
2400
355
570
820
2040
2940
400
700
1000
2500
3610
450
820
1180
2940
4240
500
980
1410
3530
5080
560
1190
1710
4280
6160
630
1450
2090
5230
7520
710
1780
2560
6400
9210
800
2170
3130
7810
11250
Given data
Quick sizing
Volume flow rate: 3600 m³/h
FKR-EU / 400
Sound power level: 45 dB(A)
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