WQA
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03/03 - 2 Construction subject to change. Version: 01.10.2019 No return possible!

Model WQA-R-... - WQA-...-L/R-... -WQA-...-...-FT-...-WQA-...-...-LV-...-WQA-...-H-FV-...- Wall Displacement Diffuser Model WQA Description Large rooms such as industrial halls in which high amounts of harmful substances are produced are best ventilated by means of a low-turbulence displacement air flow (displacement ventilation). This is due to the fact that in low-turbulence displacement air flows the supply air enters the room at low velocities (approx. 0.2 m/s). The fresh air sinks to the floor, spreads itself and displaces the contaminated air towards the air discharge openings....

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Wall Displacement Diffuser Model WQA Connection options (with air diffuser plate) WQA-...-O-... Construction subject to change.

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Wall Displacement Diffuser Model WQA Models and dimensions Dimensions WQA-R-...-FT / -LV / -FV-... WQA-K-...-FT / -LV / -FV-... Available sizes All combined widths and heights available. Special dimensions available at an extra charge. Models in several pieces are available after technical clarification. Construction subject to change.

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Wall Displacement Diffuser Model WQA Air diffuser plate Detail A Detail B Filter pocket fastening Detail E Dimensions of accessories Hit-and-miss damper (-SS, WQA-K-... only) Throttling element (-DV1, WQA-R-... only) Detail G The throttling element is only available for øD from 158 to 298! For dimensions smaller than øD=158, the damper DKG can be used. (is delivered completely mounted). Rubber lip seal (-GD1, WQA-R-... only) Detail X Screw mounting Detail Y 03/03 - 6 Construction subject to change. Version: 01.10.2019 No return possible!

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Wall Displacement Diffuser Model WQA Technical data Pressure loss For the preselection of the supply air volume (VZU), see Page°8 WQA / B = 250 03/03 - 7 Construction subject to change. Version: 01.10.2019 No return possible!

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Wall Displacement Diffuser Model WQAVelocity data and noise level at -3 Kelvin H (mm) 03/03 - 8 Version: 01.10.2019 Construction subject to change. No return possible!

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Wall Displacement Diffuser Model WQA Velocity data and noise level at -6 Kelvin Legend Vzu (m3/h) = Supply air volume vmax (m/s) = Maximum end velocity of jet GTS (mm) = Total depth of plenum box with faceplate KT (mm) = Depth of plenum box without faceplate Construction subject to change.

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Wall Displacement Diffuser Model WQA Order code WQA 01 Sample WQA-R-O-FT-SV-0000-0250-0600-GTS-SDS-GD0-SN-DV0 Wall displacement diffuser type WQA I with round connection spigot I connection spigot from above I with filter pocket I galvanised sheet steel | without paint | width 250 mm | height 600 mm | standard total depth of plenum box | standard spigot diameter | without rubber lip seal | without hit-and-miss damper | without damper Order details 01 - Type WQA = Wall air displacement diffuser type WQA 02 - Model R = with round connection spigot K = with rectangular connection spigot 03 -...

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Wall Displacement Diffuser Model WQA 08 - Height 0150 = Height 150 mm 0300 = Height 300 mm 0450 = Height 450 mm 0500 = Height 500 mm 0600 = Height 600 mm 0750 = Height 750 mm 1000 = Height 1000 mm 09 - Depth GTS = Total depth of plenum box (standard) (plenum box + faceplate 20 mm) xxx = Freely selectable total depth of plenum box (always with 3 digits, max. 500 mm) 10 - Spigot diameter SDS = Standard spigot diameter xxx = Spigot diameter in mm (always with 3 digits) 11 - Rubber lip seal GD0 = Without rubber lip seal (standard) GD1 = With rubber lip seal (only available for WQA-R-...) 12 -...

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Wall Displacement Diffuser Model WQA Specification texts Wall displacement diffuser type WQA with removable perforated sheet steel faceplate for easy cleaning according to VDI 6022. Suitable for low-turbulence supply air entry at low air entry velocities. Consisting of housing and faceplate made of galvanised sheet steel (standard), sheet steel painted to RAL 9010 (white) or stainless steel painted in the colour sand silver. To achieve even air distribution, a removable synthetic fibre filter mat, alternatively an air diffuser plate made of perforated sheet steel, is installed. The...

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