Overflow fire dampers with effective passive fire protection
Changeable Mechanisms
Installations Rated up to EI120S
Manual and Actuator Mechanism
Smoke Detector Activation Types
By default, all overflow fire dampers are supplied with a manual mechanism or an actuator mechanism.
The FDS-3G...OF series is available in a variety of different installation types to suit different projects.
The FDS-3G...OF range has two inspection openings or removable grille to enable easy maintenance.
Overflow FDS-3G...OF fire dampers are CE certified following the Construction Products Regulation according to EN 15650:2010. Dampers are tested according to EN 1366-2:2015 and classified according to EN 13501-3 + A1:2009.
The fire damper together with its installation form an inseparable part of the fire resistivity rating.
FDS-3G...OF fire dampers are designed for the installations listed and described in their User Manual.
Overflow fire dampers can be supplied with a manual mechanism. Or they can be supplied with actuator mechanism and additionally with smoke detector.
FDS-3G...OF is equipped at both ends with grilles that, together with the duct extensions, cover blade overhangs.