Supply air ceiling diffuser, square or rectangular, with curved adjustable blades for alteration of the air jet. With one (OK1), two (OK2), three (OK3) or four (OK4) way throw pattern. Made by anodized aluminium. Electrostatic paint in RAL color is possible. Also is possible the bridging of the blades for simultaneously rotation. For use in heating and cooling cases in low and medium installation height. Also is available in the following executions:

• OΚ1/OΚ2/OΚ3/OΚ4-D: With aluminium made, multiple leaf, air volume control damper with simultaneously opposite rotated blades.
• OΚ1/OΚ2/OΚ3/OΚ4-E: Accessible.
• ΟΚ1/OΚ2-AUTH: With mechanism for the automatic adjustment of the blades angle according to the supply air temperature. Only in anodized aluminium and in maximum dimension 400X300mm.
• OΚ1/OΚ2/OΚ3/OΚ4-SR: For direct installation in the side of round air duct.
• OΚ1/OΚ2/OΚ3/OΚ4-SR-D: For direct installation in the side of round air duct and aluminium made, multiple leaf, air volume control damper with simultaneously opposite rotated blades.
• OΚ1/OΚ2/OΚ3/OΚ4-SR-DΚ: For direct installation in the side of round air duct and flap type damper.

In the -SR diffusers is also possible the construction of the frame by galvanized sheet steel and the blades by anodized aluminium.

The types OΚ1/OΚ2/OΚ3/OΚ4 and OΚ1/OΚ2/OΚ3/OΚ4-D is possible to be installed in metal plate with external dimensions 595X595mm simple (-SPQ) or perforated (-PPQ). In this case the plate and the diffuser are painted electrostatically in RAL color. This is possible only for the nominal diffuser dimensions 100X100, 125X125, 150Χ150, 200Χ200, 250Χ250, 300Χ300, 350Χ350 for both types of plates and additionally in the dimensions 400Χ400, 450Χ450 and 500Χ500 only for the plate type SPQ.