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05/04 - 2 Construction subject to change. Version: 03.09.2020 No return possible!

Ceiling swirl diffuser DO Model DO-Q-SR-F-. DO-R-SR-F-. DO-...-Z DO-...-A Description The ceiling swirl diffuser type DO-... has been developed in particular for comfort rooms with a high air change rate. It is manufactured with a square faceplate (type DO-Q-...) or round faceplate (type DO-R-...) and integrated air deflection blades. The air deflection blades produce a horizontal swirl jet. The diffuser can be used for both supply and return air installations. The swirl diffuser is suitable in particular for installations with variable volumetric flow. A stable jet pattern is guaranteed by...

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Ceiling swirl diffuser DO Models and dimensions Dimension DO-Q-... / DO-R-... with SK-R-10-Z-... (for supply air, with concealed mounting) DO-Q-... / DO-R-... mit SK-R-10-A-... (for return air, with concealed mounting) Available sizes Spigot position Construction subject to change.

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Dimensions of accessories Volumetric flow meter (-VME1) ball-impact guard (-BS) (only possible for DO-Q-... with SM mounting) Damper (-DK1) with Rubber lip seal Cable-operated adjustment (-DK2) (-GD1) detail X Insulation for SK-R-... internal (-Ii) outside(-Ia) Construction subject to change.

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Ceiling swirl diffuser DO Fastening methods Screw mounting (-SM) (only DO-Q-...) for model with ball-impact guard only with indentation for slotted shallow-raised countersunk-head tapping screw (on-site) - NW 310: DIN ISO 7051 pitch 3.9 - NW 400-625: DIN ISO 7051 pitch 4.8 Maximum end velocity Critical throw Induction ratio (i = VX / VZU) Temperature ratio (TV = aTx / aTo) Nominal value total air jet volume at point x total air jet volume at point x Supply air volume Supply air volume Temperature difference at point x Temperature difference between supply air temperature and room...

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Ceiling swirl diffuser type DO I square faceplate I round blade pattern I fixed blades I supply air I NW500 I faceplate made of sheet steel I faceplate painted to RAL9010 I concealed mounting I without ball-impact guard Order details 01 - Type DO = ceiling swirl diffuser 02 - Model Q = Square faceplate 03 - Blade pattern SR = round blade pattern 08 - Paint 9010 = RAL colour white (standard) xxxx = RAL colour can be freely selected ELOX = natural colour anodised (only possible for aluminium) 09 - Mounting VM = concealed mounting (standard), only possible with plenum box SM = screw mounting...

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Ceiling swirl diffuser DO Order code SK 01 Plenum box, square design I for round air diffusers with round diffuser support I air diffuser DO-... I supply air I NW500 I with concealed mounting I galvanised sheet steel I with damper with cable I with rubber lip seal I with volumetric flow meter I without ROB model I without box insulation I standard height of plenum box I standard spigot diameter I 1 lateral spigot Order details 01 - Plenum box SK = Plenum box, square design 02 - Model R = for round air diffusers with round diffuser support 03 - Air diffuser (must be ordered separately) 10 =...

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Ceiling swirl diffuser DO 13 - Height of plenum box KHS = Height of plenum box standard xxx = Height of plenum box in mm (Heightmin= spigot diameter + 137 mm, but at least 235 mm) 14 - Spigot diameter SDS = Standard spigot diameter 15 - Spigot position SO = Spigot from above S1 = 1 lateral spigot on the box (standard) S5 = 2 spigots arranged next to each other Construction subject to change.

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Ceiling swirl diffuser DO Specification text Ceiling swirl diffuser type DO-Q-... for square supply and return air models. Particularly suitable for installation in comfort rooms with high air change rates and for VAV installations with variable volumetric flows (between 40-100%). Consisting of square sheet steel faceplate painted with a high-quality powder coating to a RAL colour (RAL 9010 (white), standard), with integrated fixed air deflection blades to produce a horizontal throw pattern, with concealed mounting (VM). For use up to -14 K. Sophisticated design allows easy cleaning to VDI...

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