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NOVA-A is a rectangular aluminium diffusion grille with one or two rows of adjustable blades. It is adequate for usage in such premises that require a higher emphasis on appearance. The NOVA-A diffusion grille directs the air using its adjustable blades in a horizontal, as well as vertical direction. It is designed for air supply and air extract. For a balanced distribution of air through the entire diffusion grille it is recommended to use a damper or a plenum box.


The NOVA-A diffusion grille is manufactured from aluminium profiles with eloxal coating or, if appropriate, a powder-lacquered (RAL 9010 - white) surface finish; other RAL types are available upon request.
Type of blades:
Single-row as well as double-row diffusion grilles can have both horizontal and vertical front blade allignment. The second row of blades is always perpendicular to the first row. The blades' axial pitch is 20 mm.


The grille directs the air with help of deflectors to both horizontal and vertical directions. The damper or plenum box provides even distribution of air through the whole grille.


• NOVA-R1, -R2, -R3, -R4 - dampers
• NOVA-UR - mounting frame
• ODEN - plenum box
• PB-NOVA - plenum box


The NOVA-A diffusion grille can be mounted directly onto a rectangular duct using countersunk screws (type "1" mounting), or onto a wall using a mounting frame and spring clips (type "2" mounting + UR) and, if appropriate, it can also be placed onto a wall and a ceiling using a mounting frame and a mounting mechanism (type "4" mounting).


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