Plenum box lindab | we simplify construction WB Dimension A + 25 B + 25 Description WB is a plenum box for supply air intended to achieve a stable flow to rectangular front plates or grilles. WB is equipped with an adjustment damper and pressure mea- suring device. The plenum box can be connected from the side or the back. The adjustment damper is operated from the front of the box by means of a graduated handle with integrated locking mechanism. WB is equipped with a telescopic connection that can be adjusted up to 50 mm, which provides flexibility during the installation phase. WB has a maximum width of 500 mm, which ensures that you can install the box in a standard wall structure with a centre distance of 600 mm between the plasterboard struts. • Telescopic function • Easy-to-detach face plate for access to duct • Same box used for all front types Ød 1 nom 100 60 100 60 20 Ød 1 nom L 1 / L 2 Ød 1 Weight A x B n Ø o d m 1 A B Back L 1 Side L 2 We K ig g ht A x B nom A B Back L 1 Side L 2 Kg 300 x 100 80 300 100 240-290 280-330 2.5 300 x 100 80 300 100 240-290 280-330 2,5 400 x 150 100 400 150 240-290 300-350 3.5 400 x 150 100 400 150 240-290 300-350 3,5 500 x 150 125 500 150 240-290 325-375 4.3 500 x 150 125 500 150 240-290 325-375 4,3 500 x 200 160 500 200 240-290 360-410 5.5 500 x 200 160 500 200 240-290 360-410 5,5 500 x 300 200 500 300 240-290 400-450 7.4 500 x 300 200 500 300 240-290 400-450 7,4 Order code See section on wall diffusers. Order code Produ c t WB Type WB Conntction 1 = Bag 2 = Si d e Size (A x B) 300x100 - 500x300 E xa mp l e: WB-1-400x150 a A x B Materials and finish Box, plenum plate and damper are made of hot-galvanised steel plate. Lindab reserves the right to make changes without prior notice 1 2021-01-11
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