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05/07 - 2 Construction subject to change. Version: 17.10.2019 No return possible!

Swirl diffuser DQJF Variable volumetric flow Description The swirl diffuser type DQJF is an air diffuser that is suitable in particular for suspended use in industrial halls and comfort rooms of high air change rates. Unlike the conventional swirl diffusers, the built-in blades can also be adjusted at a later stage. This modification can be necessary, for example, if obstacles obstruct the air jet or if high air velocities occur in areas where this is not desired. The air jet can be deflected from the horizontal to the vertical direction by adjusting individual blades. This can be...

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Swirl diffuser DQJF Models and dimensions Air throw pattern Throw pattern: "A" : all blades in position 2 Air throw pattern "C" : Without blades (available only for return air) Air throw pattern "V" : all blades in position 1 (heating mode only) Dimensions DQJF-R-SR with plenum box (-SK-R-60) for supply air and return air Spigot position S0 Spigot position Detail Y Rubber lip seal 1.) = 3 fixing lugs 2.) = Perforated sheet FQ 46.1% 3.) = Slotted shallow-raised countersunk-head screws DIN ISO 7049 pitch 3.9 x 13 (on site) 05/07 - 4 Construction subject to change. Version: 17.10.2019 No...

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Swirl diffuser DQJF Dimensions of accessories Insulation for SK-R internal (-Ii) 05/07 - 5 Construction subject to change. Version: 17.10.2019 No return possible!

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Swirl diffuser DQJF Technical data Pressure loss and noise level DQJF 310 supply air 0% = Damper CLOSED 100% = Damper OPEN 05/07 - 6 Construction subject to change. Version: 17.10.2019 No return possible!

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Swirl diffuser DQJF DQJF 800 supply air For technical data, pressure loss and noise level for return air, see Technical documentation DQJ 0% = Damper CLOSED 100% = Damper OPEN Maximum end velocity of jet Air throw pattern "A", without coanda effect (supply air) DQJF 310 05/07 - 7 Construction subject to change. Version: 17.10.2019 No return possible!

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Construction subject to change.

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Swirl diffuser DQJFInduction ratios Air throw pattern "A", without coanda effect (supply air) Air throw pattern "A", without coanda effect (supply air) Supply air volume Supply air volume Maximum end velocity of jet horizontal throw vertical throw Horizontal and vertical throw Density Pressure loss A-weighted sound power level Induction ratio (i = Vx / Vzu) Temperature ratio (TV = DTx / DTO ) Nominal width Total air jet volume at point x total air jet volume at point x Temperature difference at point x Temperature difference between supply air temperature and room temperature (dTo = tZU -...

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Swirl diffuser DQJF Order code DQJF 01 All fields must be filled when ordering Order details 01 - Type DQJF = ceiling swirl diffuser type DQJF 02 - Model R = Round faceplate 03 - Blade pattern SR = circular 04 - Air throw Z = Supply air A = return air 05 - Nominal size 310 = NW 310 400 = NW 400 500 = NW 500 600 = NW 600 625 = NW 625 800 = NW 800 06 - Material SB = Sheet steel (standard, only available with paint) SV = Galvanised sheet steel V2 = Stainless steel (V2A) 07 - Paint 0000 = without paint (galvanised sheet steel only) 9010 = RAL colour white (standard) xxxx = RAL colour can be...

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Swirl diffuser DQJF Order code SK 01 Sample SK-R-60-Z-500-SM-SV-DK1-GD1-VME1-ROB0-I0-KHS-SDS-S1 Plenum box, square design! for round air diffuser with round diffuser support I air diffuser DQJF I supply airl NW500 I with concealed mounting | galvanised sheet steel | with damper | with rubber lip seal | with volumetric flow meter | without ROB version | without box insulation | standard height of plenum box | standard spigot diameter | 1 lateral spigot | Order details 01 - Type SK = Plenum box, square design 02 - Model R = for round air diffusers with round diffuser support 03 - Air diffuser...

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Swirl diffuser DQJF Specification texts Swirl diffuser DQJF in round design. Particularly suitable for suspended use in industrial halls, comfort rooms with high number of air changes and for VAV installations with variable volumetric flows (between 40-100%). Cooling and heating modes are possible. Consisting of a faceplate made of sheet steel provided with a high-quality powder coating in a RAL colour (RAL 9010, white, standard), with central pivoting, aerodynamic radially fitted air deflection blades, which are individually adjustable, without any tools, from the diffuser front side...

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