Elastic damper lindab | dampers and measure units INNOV Technical data Air flow rate & pressure loss L WA = Sound power level in the duct dB(A). Δ P t (Pa) = Total pressure loss This symbol shows the number of open holes. The curved in the diagram below are keyed with a number. The number shows how many holes are open. Ø80 Δ P t ([Pa] 300 200 150 100 50 30 20 10 11 15 18 22 0 1 2 3 L WA = 45 L WA = 40 L WA = 35 L WA = 30 36 44 54 65 90 m³/h Ø100 Δ P t ([Pa] 300 200 150 100 50 30 20 10 18 1 25 30 36 2 3 4 5 L WA = 45 L WA = 40 L WA = 35 L WA = 30 54 72 90 108 144 m³/h Ø125 Δ P t ([Pa] 300 200 150 100 50 30 20 10 18 1 25 30 36 2 3 4 5 6 8 L WA = 45 L WA = 40 L WA = 35 L WA = 30 54 72 90 108 144 m³/h Ø160 Δ P t ([Pa] 300 200 150 100 50 30 20 10 36 1 2 3 4 5 L WA = 45 L WA = 40 L WA = 35 L WA = 30 54 72 90 108 144 180 216 288 m³/h Ø200 Δ P t ([Pa] 300 200 150 100 50 30 20 10 54 1 2 34 5 6 8 L WA = 45 L WA = 40 L WA = 35 L WA = 30 72 90 108 144 180 216 288 360 450 m³/h Ø250 Δ P t ([Pa] 300 200 150 100 50 30 20 0 3 6 10 L WA = 45 L WA = 40 L WA = 35 L WA = 30 10 108 144 180 216 288 360 432 576 720 900 m³/h Ø315 Δ P t ([Pa] 300 200 150 100 50 30 20 0 4 8 14 L WA = 45 L WA = 40 L WA = 35 L WA = 30 10 108 144 180 216 288 360 432 576 720 900 m³/h Lindab reserves the right to make changes without prior notice 2 2020-08-13
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