6
Accessories
Extension pieces
Depending on the design, the damper protrusion must
be taken into account when using flexible connectors,
cover grilles, pipe bends etc., see table
. Suffi-
cient clearance must be provided, we recommend
50 mm distance to the opened damper blade.
Open blade protrusion [mm]
Nominal size [mm]
x [mm]
y [mm]
100
-220
-80
125
-208
-67.5
150
-195
-55
160
-190
-50
180
-180
-40
200
-170
-30
224
-158
-18
250
-145
-5
280
-130
10
315
-113
27.5
Fig. 140: Open blade protrusion
1
FKRS-EU
9.2 Extension piece or duct
Note
The movement of the damper blade must not be
obstructed by any accessory. The distance between
the tip of the open damper blade and any accessory
must be at least 50 mm.
Flexible connectors
Flexible connectors are used to avoid both tension and
compression.
Fig. 141: FKRS-EU with flexible connectors
1
FKRS-EU
9.1 Flexible connector
Cover grille
Cover grilles are used on non-ducted ends of fire
dampers.
Fig. 142: Fire damper with cover grille
1
FKRS-EU
9.2
Extension piece or duct
9.10 Cover grille
Accessories
Fire damper Type FKRS-EU
158
Summary of Contents for FKRS-EU
Page 176: ...Fire damper Type FKRS EU 176...
