SOTTO

Sound attenuating transfer unit
  • Supplied individually
  • For the transfer of air through a wall
  • Fits in a circular cut opening
  • Simple installation
  • Accessories:
    • TRAC disc valve
    • VGC telescopic wall sleeve
  • Standard colour White RAL 9003
    • 5 alternative standard colours
    • Other colours upon request
Category

Description

Technical specifications

AIR FLOW – PRESSURE DROP – Rw

SOTTO Hole in wall   l/s     dB
Size mm 10 Pa 15 Pa 20 Pa Rw
80-100 80 14 17 19 55
80-100 100 16 19 23 55
125-160 125 21 25 29 51
125-160 160 23 27 31 51

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.