lindab | dampers and measure units Damper with flow meter DIRU, DIRBU, DIRVU Pressure drop graphs with noise data for Flow graphs for balancing dimensioning Δp t Δp m Δp t L WA [dB] Δp m Ø80 [Pa] 500 300 200 100 50 30 20 k 1,0 1,5 2,0 2,5 3,0 60 55 3,5 [dB] 50 4,0 A 45 L W 40 35 30 25 10 5 1 10 20 30 40 50 75 [l/s] q 2 3 45 v 10 15 [m/s] Ø100 [Pa] 500 300 200 100 50 30 20 8 10 1 k 1,5 2,0 2,5 3,0 3,5 4,0 80 75 70 85 4,5 65 60 55 50 45 40 20 30 40 50 q 2 3 45 v 100 120 [l/s] 10 15 [m/s] Ø125 [Pa] 500 300 200 100 50 30 20 1,5 2,0 3,0 4,0 60 55 B] 50 [d 45 L WA 40 35 30 25 k 5,0 6,0 7,0 8,0 9,0 10,0 10 12 15 1 20 30 40 50 q 2 3 45 v 100 10 180 [l/s] 15 [m/s] Ø80 [Pa] 300 200 100 50 40 30 20 10 10 2 Ø100 [Pa] 300 200 k 1,0 1,5 2,0 2,5 3,0 3,5 4,0 15 20 30 40 50 60 [l/s] q 3 4 5 6 7 8 9 10 11 [m/s] v k 1,5 2,0 2,5 3,0 3,5 4,0 4,5 100 50 40 30 20 10 15 20 2 3 Ø125 [Pa] 1,5 2,0 300 200 30 40 50 q 4 5 v 100 [l/s] [m/s] 10 k 3,0 4,0 5,0 6,0 7,0 8,0 9,0 10 100 50 40 30 20 10 25 30 40 50 q 3 4 5 v 100 150 [l/s] [m/s] 10 Δp t Δp m DUCT-MC Identification number 17.11.002 Lindab reserves the right to make changes without prior notice 1 2018-12-11
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