Installation opening ☐A [mm]
Installation type Nominal size
100 125 150 160 180 200 224 250 280 315
Mortar-based installation ☐A = ∅DN + 80... 120 mm
Dry mortarless installation with
square installation block EQ 1
☐A 200 250 250 250 300 300 350 350 400 400
☐B 250 300 300 300 350 350 400 400 450 450
1)
Installation opening tolerance +2 mm
Installation
Shaft walls
Fire damper Type FKRS-EU 43
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