Trox Technik FKR-EU - Page 36

Fire dampers
FKR-EU
1
K4 – 1.3 – 1
Rectangular fire dampers
B [mm]
Width of the fire damper
H [mm]
Height of the fire damper
L [mm]
Length of the fire damper
 [m³/h] and [l/s]
Volume flow rate
L
WA
[dB(A)]
A-weightedsoundpowerlevelofair-regenerated
noise for the fire damper
A [m²]
Free area
ζ
Resistance coefficient (fully ducted)
Thiscatalogueprovidesconvenient
quick sizing tables for fire dampers.
Thevolumeflowratesforallavailabledimensions
andnominalsizesareprovidedbasedon
aparticulardifferentialpressureandagiven
soundpowerlevel(35or45dB(A)).
Sizingdataforothervolumeflowratesand
differential pressures can be determined quickly
and precisely using the Easy Product Finder
design programme.
Circular fire dampers
Nominal size [mm]
Diameter of the fire damper
L [mm]
Length of the fire damper
Δp
st
[Pa]
Staticdifferentialpressure
v [m/s]
Airflowvelocitybasedontheupstreamcross
section (B × H or diameter)
Principal dimensions
Nomenclature
Sizing with the help
of this catalogue
Wiring
Colour codes according to IEC 60757
Code Colour
BK black
BN brown
RD red
Upper floor orange
YE yellow
GN green
BU Blue
Colour codes according to IEC 60757
Code Colour
VT violet
GY grey
WH white
PK pink
TQ turquoise
GNYE green-yellow
03/2017 – DE/en
Basic information and nomenclature
Easy Product Finder
The Easy Product Finder
allows you to size
products using your
project-specific data.
You will find the Easy
Product Finder on our
website.
TOC