Trox Technik FKR-EU - Accessories

6 Accessories
Extension pieces
When there are cover grilles, flexible connectors, circular duct bends, etc., you may have to use an extension piece
for certain nominal sizes. See the table for the required lengths.
Arrangement and length of extension pieces for the attachment of the flexible connector [mm]
Nominal size DN 315 355 400 450 500 560 630 710 800
FKR-EU with spigot
Operating side – – – – – – – – 175
Installation side 175 175 175 175 175 370 370 370 370
FKR-EU with flange
Operating side – – – – – – – 175 175
Installation side 175 175 175 175 370 370 370 370 370
Arrangement and length of extension pieces for the attachment of the cover grill [mm]
Nominal size DN 315 355 400 450 500 560 630 710 800
FKR-EU with spigot
Operating side 175 175 175 175 175 175 175 175 175
Installation side 175 175 175 175 175 370 370 370 370
FKR-EU with flange
Operating side – – – – – – – – 175
Installation side 175 175 175 175 370 370 370 370 370
Accessories
Fire damper FKR-EU 137