Ceiling air diffuser DBB

Fields of application

Supply air and return air installations in shopping centres, restaurants or cinemas. They can be used for heating and cooling up to a Δt = – 8 K. Mounting height from 2.6 – 4 m.


Supply air and return grille for installation in ceilings and walls. The air jet direction can be adjusted from 1-4-sided horizontal to vertical. The free cross-section is the same in all louvre positions, so that pressure loss and volume level do not change when the air jet direction is adjusted. Suitable for cooling and heating.

Volumetric flow range

60 – 1,200 m³/h, use in VAV installations from 100 - 40%.