DBBRR
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01/05 - 2 Construction subject to change. Version: 24.09.2019 No return possible!

Model DBBRR-Z-... DBBRR-A-... Description In modern architecture, sheet metal and spiral ducts of air-conditioning systems are often incorporated in the design of the room. Emphasis is often placed deliberately on parts of the supply system. In this visible installation of the ventilation ducts, it is a good idea to integrate the air diffusers into the ducts. In order to be able to offer planners a technically advanced air diffuser, which can also be well integrated into modern architectural concepts, we have developed our round duct blade diffuser type DBBRR. The diffuser type DBBRR...

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Round duct blade diffuser DBBRR Blade adjustment options Blade position Throw directions (blade position 6 o'clock) 6 o'clock (-6U, standard) one-way horizontal (-E) two-way horizontal (-B, standard) 3 o'clock (-3U) Ex works, the blades are set to the 6 o'clock blade position. On request the blade position "3 o'clock", "9 o'clock" or "12 o'clock", each in the air flow direction, is also available. 01/05 - 4 Construction subject to change. Version: 24.09.2019 No return possible!

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Threaded rod on site Riveting nut M8 (standard) Only applies to suspended installations from the ceiling: prepared for suspended installation from the ceiling by using an M8 threaded rod to be provided by the customer. Available sizes Accessories only available for up to NW500 (see documents for round duct system RR-COMPLETE or accessories for round duct systems). Construction subject to change.

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Round duct blade diffuser DBBRR Accessories Round duct blade diffusers having a length of > 1000 mm are produced in two parts and joined at the factory using a sleeve. The dimensions of the dummy pipe fit the dimensions of the round duct grille type DBBRR.A different division of length is possible on special request. However, the maximum length for a middle or end piece is 1000 mm. 01/05 - 6 Construction subject to change. Version: 24.09.2019 No return possible!

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OPEN OPEN = hit-and-miss damper position Correction factor pressure loss and noise level for DBBRR without hit-and-miss damper LWA 100% OPEN x 0,877 Dpt 100% OPEN x 0-78 Construction subject to change.

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Maximum end velocity of jet Temperature ratio one-way horizontal throw Correction factorMaximum end velocity of jet Construction subject to change.

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Supply air volume per meter per 2 slots Supply air volume per meter per 2 slots total air jet volume at point x Pressure loss Intake velocity, blower stream velocity, outflow velocity, relative to Astirn Maximum end velocity of jet Duct velocity A-weighted sound power level Horizontal + vertical throw Maximum penetration in heating mode Temperature difference between supply air temperature and room temperature (DTO = tZU - tR) Temperature difference at point x Supply air temperature Room temperature Induction ratio (i = VX / VZU) Temperature ratio (TV = DTX / DTO ) Correction factor Free...

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Round duct blade diffuser DBBRROrder code DBBRR 01 Sample DBBRR-Z-200-1000-B-SB-9010-L9005-04-6U-SS-GD0-EM Round duct blade diffuser I supply air I nominal width 200 mm I length 1000 mm I two-way horizontal throw I sheet steel I painted to RAL colour 9010 (white) I blade colour black similar to RAL 9005 I 4-slot I 6 o'clock I with hit-and-miss damper I without rubber lip seal I with riveting nuts Order details 01 - Type DBBRR = Round duct blade diffuser type DBBRR 02 - Air throw Z = Supply air 05 - Air throw pattern E = one-way horizontal throw B = two-way horizontal throw (standard) O =...

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10 - Mounting position 3U = 3 o'clock 11 - Hit-and-miss damper SN = Without hit-and-miss damper SS = with hit-and-miss damper (standard) Specification texts Round duct blade diffuser suitable for connection to DIN ducts. With integrated, manually adjustable air deflection blades in support blade profile form made of plastic, similar to RAL colour 9010 (white), RAL 9005 (black) or aluminium painted to the RAL colour of the round duct (subsequent adjustment of blades not possible). Sound power level and pressure loss remain constant in all blade positions. With integrated hit-and-miss damper...

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