Group: SCHAKO Group
Catalog excerpts
05/16 - 2 Construction subject to change. Version: 20.09.2019 No return possible!
Open the catalog to page 2Model DQF-Q-... DQF-R-... DQF-...-Z-... DQF-...-A-... Description The ceiling swirl diffuser type DQF-... has been developed in particular for comfort rooms with a high air change rate. The swirl diffuser is made either with a square faceplate (type DQF-Q-...) or a round faceplate (type DQF-R-...) with integrated air deflection blade. The diffuser plate achieves 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 the...
Open the catalog to page 3Swirl Diffuser DQF Fastening Screw mounting (-SM) (DQF-Q-... only) - for model with ball-impact guard only (-BS) - with 4 raised countersunk head tapping screws (on-site) Concealed mounting (-VM, as standard) - only possible in connection with plenum box type SK-R-11-... - Traverse fixing by a M6 screw according to DIN EN ISO 10642 for mounting at the plenum box. MODELS Square faceplate DQF-Q-... round faceplate DQF-R-... 05/16 - 4 Construction subject to change. Version: 20.09.2019 No return possible!
Open the catalog to page 4Swirl Diffuser DQF Dimensions DQF-...-Z-... with SK-R-11-Z-... (for supply air, with concealed mounting) DQF-...-A-... with SK-R-11-A-... (for return air, with concealed mounting) b = suspension on-site Available sizes NW Spigot position KHS= standard height of plenum box Special height of plenum box = øD + 137 mm, but at least 235 mm Dimension of plenum box SK-... for spigot position S0 / S2 / S3 / S5 on request. See page 6 for detail X. 05/16 - 5 Construction subject to change.
Open the catalog to page 5Swirl Diffuser DQF Dimensions of accessories Ball-impact guard (-BS) (only possible for DQF-Q-... with SM mounting) (at an extra charge) Damper (-DK1 / -DK2), for SK-R... without cable-operated adjustment (-DK1) with cable-operated adjustment (-DK2) SZV = cable-operated adjustment Rubber lip seal (-GD1), for SK-... Detail X Detail Z Volumetric flow meter (-VME1), for SK-... (not for use with a damper) Thermal insulation, for SK-R-... internal (-Ii) external (-Ia) 05/16 - 6 Construction subject to change. Version: 20.09.2019 No return possible!
Open the catalog to page 6Swirl Diffuser DQF Fastening methods Screw mounting (-SM) (DQF-Q-... only for model with ball-impact guard only 1.) Indentation for slotted shallow-raised countersunk-head tapping screw DIN ISO 7051 pitch 3.9 (screws provided on site) 2.) Indentation for slotted shallow-raised countersunk-head tapping screw DIN ISO 7051 pitch 4.8 (screws provided on site) Version: 20.09.2019 Construction subject to change. No return possible!
Open the catalog to page 7Swirl Diffuser DQF Technical data Pressure loss and noise level (supply air), with plenum box Damper position (DS): 0% = CLOSED / 100% = OPEN 05/16 - 8 Construction subject to change. Version: 20.09.2019 No return possible!
Open the catalog to page 8Swirl Diffuser DQF(return air) with plenum box and damper Damper position (DS): 0% = CLOSED / 100% = OPEN Maximum end velocity of jet05/16 - 9 Construction subject to change.
Open the catalog to page 9Swirl Diffuser DQF (supply air), with plenum box 05/16 - 10 Construction subject to change. Version: 20.09.2019 No return possible!
Open the catalog to page 10Swirl Diffuser DQF Critical throw 05/16 - 11 Construction subject to change. Version: 20.09.2019 No return possible!
Open the catalog to page 11Supply air volume Supply air volume Pressure loss A-weighted sound power level Density Maximum end velocity of jet Average end velocity of jet vmittel = vmax x horizontal + vertical throw Temperature difference between supply air temperature and room temperature (ATO = tZU- tR ) Critical throw Temperature ratio (TV = aTx / aTo) Induction ratio (i = Vx / Vzu) Nominal width Temperature difference at point x total air jet volume at point x total air jet volume at point x Supply air temperature Room temperature Construction subject to change.
Open the catalog to page 12Swirl Diffuser DQF Order details DQF 01 Sample DQF-Q-Z-500-SB-9010-VM-BO Ceiling swirl diffuser type DQF I square faceplate 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 Model DQF = ceiling swirl diffuser 02 - Model Q = Square faceplate 05 - Material SB = Sheet steel AL = Aluminium (only available with VM) 06- Paint 9010 = RAL colour white (standard) xxxx = RAL colour can be freely selected ELOX = Natural colour anodised (only for AL) 07 - Mounting VM = concealed mounting...
Open the catalog to page 13Swirl Diffuser DQF Order details SK 01 Plenum box, square design I for round air diffusers I air diffuser DQF I supply air I NW500 I 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 I 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) 11 = suitable for DQF-... 04 - Type of air...
Open the catalog to page 14Specification texts Ceiling swirl diffuser type DQF-Q-... for square supply and return air models. Especially suitable for use in comfort rooms with a high air change rate and for VAV installations with variable volumetric flows (between 40 and 100%). Consisting of square faceplate made of sheet steel, with integrated fixed air deflection blades. For use up to -14 K. Sophisticated design allows easy cleaning to VDI 6022. Product: SCHAKO type DQF-Q-... - with round faceplate. Product: SCHAKO type DQF-R-... Air throw: - Supply air (-Z) - Return air (-A) Nominal size: - NW310 (-310) - NW400...
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