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Air Distribution / Diffusers for Assembly Rooms

Seat displacement diffuser Q-ST

For air distribution in assembly rooms with fixed seating, air supply from seat leg.


  • For rooms with raised floors or floor plenums and permanent seating
  • Air outlet built into seat leg
  • Low-turbulence, horizontal, radial jet dispersion above floor
  • Very low sound power Level
  • Suitable for all seat designs


Supply air volume flow rate:

up to 14 l/s [50 m³/h]

Nominal sizes:

DN 100, DN 127 and DN 190

Sound power level:

≤ 16 dB(A) ref. 10-12 W

To find out how you could benefit from our product, talk to an expert today on 0203 912 6222 or fill out the form below