Trox Technik FKR-EU - Page 138

Open blade protrusion
Open blade protrusion [mm]
Nominal size DN 315 355 400 450 500 560 630 710 800
FKR-EU with spigot
x -270 -250 -230 -200 -175 -145 -110 -70 -25
y 25 45 70 90 115 145 180 220 265
FKR-EU with flange
x -240 -220 -200 -170 -145 -115 -80 -40 5
y 55 75 100 125 150 180 215 255 300
Fig. 109: Open blade protrusion
1 Spigot construction
2 Flange construction
A Installation side
B Operating side
Note
The movement of the damper blade must not be obstructed by any accessory. The minimum distance between
the tip of the open damper blade and any accessory must be at least 50 mm.
Accessories
Fire damper FKR-EU138