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Extraction vents Inlet vents with adjustable flow
Security extraction vent BES 125

Security extraction vent BES 125 - Defaut

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Description Packg. * Code
6-hole fastening adaptor ø125, L = 50 mm 60 1009
Extraction vent VMT ø 125 with spigot 36 1010
Backplate + grille with holes, white lacquered, 165 x165 mm 24 1011
* packaged quantities are shown for information purposes – All items can be ordered singly
6-hole fastening adaptor ø125, L = 50 mm





The BES 125 assembly is intended for extraction in rooms where it is forbidden to remove the extraction vent.

It comprises a Ø125 backplate with a white lacquered perforated grille welded to a 150mm long sleeve, a holding adapter, and a VMT Ø125 extraction vent with collar. 

The  VMT vent can be replaced with an RD type flow regulator fitted inside the duct.

The backplate/adapter assembly is installed in a through-wall configuration and clamped in place by the adapter, which is fastened to both the back of the wall and the sleeve. The collar on the VMT vent fits into the sleeve, with the vent fitting directly into the duct.
BES 125: Slacken off the screw. Move the centre disc to the selected setting position. Tighten the screw.