Window Trickle Ventilator AK80

Horizontal-strip, adjustable-flap, compact aluminium ventilator with acoustic insulation, for glazing-in, overframe or wall mounting.
- Enables secure, weather resistant ventilation with exclusion of insects. Equivalent area (maximum): 8,780 mm /m. Five intermediate settings.
- Aluminium profiles with plastic endcaps. Choice of finish.
- Choice of models with variation in equivalent area and acoustic attenuation.
- 18.5 mm projection hooded outer profile.
- Projecting interior element with adjustable bottom hinged flap. Aluminium extrusion with plastic endcaps. Directs incoming air upwards to minimise draughts. Projection varies with frame thickness.
- Watertight in closed position to wind pressure 650 Pa.
- Wind tight in closed position to wind pressure 650 Pa.
- Thermally broken.
- Choice of manual, cord or rod operation.
- Unit width (maximum): 2 m. Made to measure.
- Acoustic attenuation (open/ closed, maximum): 47/ 51 dB, to EN ISO 140 and EN ISO 717.