lindab | we simplify construction Multi-cone diffuser Technical data Throw l 0.2 / turning point l 0.0 Throws l 0.2 [m] can be seen in the diagrams for isothermal air at a speed of 0.2 m/s. Turning point l 0.0 [m] can be seen in the diagrams for heated air, +5 K, +10 K respectively. Vertical ǻ p t [Pa] FKD 150 160 200 250 315 355 400 450 500 100 70 50 30 20 15 10 7 5 30 40 50 70 100 150 200 300 150 200 300 500 700 1000 630 50 45 40 35 30 25 20 L WA dB(A) 500 700 1000 2000 3000 5000 q V [l/s] 2000 q V [m 3 /h] 7000 FKD Vertical supply air correction sound power level (L WA ) and pressure loss ( Δ p t ) On the following pages you can find diagrams for all sizes FKD+MBB-S horizontal supply air. When Vertical supply air values are wanted, use the correction factors in the table below. FKD + MBB-S duct FKD Ød 1 100 Ød 2 160 125 160 125 200 160 160 160 200 160 250 200 200 200 250 200 315 250 250 250 315 250 400 315 315 315 400 Vertical supply air Correction factor L WA Δ p t 3 x 1,2 1 x 1,2 1 x 1,1 5 x 1,5 3 x 1,3 0 x 1,1 1 x 1,3 5 x 1,2 0 x 1,1 1 x 1,3 2 x 1,3 1 x 1,1 4 x 1,4 3 x 1,2 L ;M= &+$ ISOTERM L ;M= Q 6 ;LS= Q 6 ;M H= l 0.0 [m] 20 15 FKD +5K 10 7 6 5 4 3 2 160 200 250 315 355 400 450 500 630 1 30 40 50 60 70 100 150 200 300 150 200 500 700 300 1000 l 0.0 [m] q V [l/s] 500 700 1000 1500 2000 3000 q V [m 3 /h] l 0.0 [m] 20 15 FKD +10K 10 7 6 5 4 3 2 160 200 250 315 355 400 450 500 630 1 30 40 50 60 70 100 150 200 300 150 200 500 700 300 1000 l 0.0 [m] q V [l/s] 500 700 1000 1500 2000 3000 q V [m 3 /h] 4 Lindab reserves the right to make changes without prior notice 2021-10-13
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