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CIRCO

Sound attenuating transfer unit
  • For the transfer of air through a wall
  • Fits in a circular cut opening
  • Simple to install
  • Mounting frame integrated into the transfer diffuser
  • 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
CIRCO
Size
Hole in wall (mm)10 Pa15 Pa20 PaRw=Dn,ew (dB)
l/sm3/hl/sm3/hl/sm3/h
80-1258014501761207250
80-125100207223832810147
80-1251252486301083412245
16016039140461305419442
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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