Products / Air Distribution

Ceiling Ventilation Diffusers

TANGRA TBP are aluminium horizontal ventilation diffuser. They are design for supply or extract of air from ventilation and air conditioning systems/installations. In supply mode they are suitable for premises with height up to 3.6m. As a standard, the grilles are made with four sided air distribution, but on request they can be with 1, 2 or 3 directions of air discharge. The air flow rate of single ventilation diffuser can be from 100m3/h. up to 1500m3/h (27l/s – 417l/s).


  • Diffusers are made of extruded aluminum profiles with electrostatic painting.

  • As a standard RAL 9010 colour is used, by customer request painting in all RAL colures is possible.

  • Internal section of the decorative part can be easily removed, ensuring this way an approach to the regulation damper and possibility for installation of the grille to the plenum box.


  • Mounted on the air duct system with plenum box and flexible duct. Fixing of the diffuser to the plenum box is arranged with a central bolt (+P) 0 in case of hidden installation or with four screws on the decorative part.



  • Multiblade damper (+M)

  • Plenum box (+K)

  • Regulation valve installed inside (+Di) or outside (+De) the plenum box.

  • Internal insulation (+Ii) or external insulation (+Ie) of plenum box.

  • Kit for plenum box fixing to Armstrong type ceiling (+МК)

From this section you can download the full documentation related to Ceiling Ventilation Diffusers TANGRA TBP:

Technical catalogue

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