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01/10 - 2 Construction subject to change. Version: 14.12.2018 No return possible!

Round Duct Grille DBBR H Description Supply and return air grille especially for duct installation, with front side horizontal pivoting air deflection blades. Open cross-section, resistance and noise remain constant in all blade positions. Please note that cutting the folded spiral ducts may produce tensions that can affect the grille and which the grille cannot withstand. This is why the grille length should be limited to max. 815 mm when being installed in spiral ducts. The installation of DBBR into spiral ducts must take place free of stress. Avoid using unround or deformed spiral ducts,...

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The three height measurements enable optimum adaptation of the round duct grille type DBBR to sheet steel or spiral ducts. The selection of the grille height depends on the duct measures shown in the table. When ordering, it is absolutely mandatory to specify the duct diameter for which the grille is used. For the dimension 1215 mm in a single-part design, the minimum duct diameter is 355 mm. For a two-part design of this dimension, the above table values apply. For additional technical data, please refer to the air-related documents of the round duct blade diffuser type DBBRR. The...

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Round Duct Grille DBBR Order code DBBR 01 Sample DBBR-1-Z-0615-115-0400-SV-9010-L9010-SM Round duct grille type DBBR I with horizontal air deflection blades I supply air I grille length 615 mm I grille height 115 mm I duct diameter 400 mm I galvanised sheet steel I painted to the RAL colour 9010 I blades painted to RAL 9010 I with screw mounting Order details 01 - Type DBBR = Round duct grille type DBBR 02 - Model 1 = with horizontal air deflection blades 8 = with horizontal air deflection blades and hit-and-miss damper 03 - Air throw Z = Supply air 04 - Length 0315 = Grille length 315 mm...

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Round Duct Grille DBBR Specification texts Supply air round duct grille, consisting of sheet steel frame painted to RAL 9010 (white) with front side horizontal pivoting air deflection blades made of plastic similar to RAL colour 9005 (black), RAL 9010 (white), RAL 9006 (grey), painted aluminium (subsequent adjustment of blades not possible) or natural anodized aluminium E6/EV1. Fastening by means of screw mounting (SM). Product: SCHAKO type DBBR-1-Z-... - with hit-and-miss damper made of electrolytically galvanised sheet steel for air volume regulation Product: SCHAKO type DBBR-8-Z-... -...

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