3.2. Rotary floor twist outlet DB-D

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


Volume flow rate range 5.5 – 50 l/s [20 – 180 m³/h]
Nominal sizes DN 125 and DN 200


  • 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