SOTTO

Sound attenuating transfer unit
  • For the transfer of air through a wall
  • Fits in a circular cut opening
  • Simple to install
  • Accessories:
    • TRAC disc valve
    • VGC telescopic wall sleeve
  • Standard colour White RAL 9003
    • 5 alternative standard colours
    • Other colours upon request
AIR FLOW - PRESSURE DROP - Rw
SOTTO
Size
Hole in wall (mm)10 Pa15 Pa20 PaRw=Dn,ew (dB)
l/sm3/hl/sm3/hl/sm3/h
80-1008014501761196855
80-10010016581968238355
125-160125217625902910451
125-160160238327973111251
The data applies to installation in a 100 mm thick studded wall with a 10 m² transmission area. One transfer diffuser on each side of the wall.

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