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Air Distribution / Floor Diffusers

Rotary floor twist diffuser DB-D

Installation in raised floors; air supply from below with large induction effect in floor zone, with inclined air jet axis.


  • High-induction air jet with jet axis incline of 30° to vertical, rotatable for individual adjustment of air velocities at head level seated person
  • For installation with a clamp insert in a through bore of the floor tile; DN 200 also design for insertion in a stepped bore
  • Twist element and clamp insert available in plastic and Aluminium
  • Depending on type: Air outlet element fitted with lock against unauthorized removal
  • Suitable for air connection to the ‘pressurized plenum’ system, or with connection box for duct connection
  • With distributor basket for even air supply; also available with throttle device for volume flow rate Adjustment


Volume flow rate range:

5.5 – 50 l/s [20 – 180 m³/h]

Nominal sizes:

DN 125 and DN 200

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