Page number 4
lindab | dampers and measure units Shut-off damper DTMU Sound data for DTMU/DTWU Sound power level, L W , [dB] in duct in the octave bands 1–8, 63–8000 Hz, as a function of dimension, flow and pressure drop. The methods ISO 5135 and ISO 3741 have been used to measure these sound values. Pressure Velocity app. 3 [m/s] Velocity app. 6 [m/s] Velocity app. 9 [m/s] dim loss Centre frequency [Hz] Centre frequency [Hz] Centre frequency [Hz] Ød 1 [Pa] 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8k Flow 15 [l/s] Flow 30 [l/s] Flow 45 [l/s] 500 65 65 65 65 59 55 49 46 67 67 67 67 60 57 50 47 70 70 70 70 63 60 53 49 80 300 63 63 60 60 54 48 42 36 66 66 63 63 56 50 44 38 70 70 67 67 60 54 47 40 200 63 63 60 54 51 43 34 29 65 65 62 56 53 44 35 30 70 70 67 60 57 48 38 32 100 55 60 53 48 43 30 23 15 59 65 57 51 46 32 24 16 66 72 63 57 51 36 27 18 50 56 54 47 43 36 25 16 9 59 59 52 47 40 27 17 10 - - - - - - - - Flow 25 [l/s] Flow 50 [l/s] Flow 75 [l/s] 500 67 64 64 57 54 48 48 48 72 68 68 62 59 52 52 52 78 75 75 67 64 57 57 57 100 300 62 61 60 54 51 45 42 42 68 68 68 59 56 50 47 47 75 74 73 65 61 54 51 51 200 58 58 58 50 48 40 37 37 65 65 64 57 54 45 42 42 74 73 73 64 59 50 47 46 100 58 55 53 46 41 34 26 24 68 66 62 54 48 40 31 29 79 75 71 62 56 46 36 33 50 55 53 48 42 35 26 22 18 69 67 60 53 44 33 28 22 - - - - - - - - Flow 40 [l/s] Flow 80 [l/s] Flow 120 [l/s] 500 71 68 65 59 56 50 50 47 76 73 70 63 60 53 53 50 83 79 76 68 65 58 58 54 125 300 66 66 60 55 52 46 43 40 73 73 67 60 57 51 48 44 79 79 72 66 62 55 52 48 200 65 62 57 51 46 41 38 38 74 71 65 59 53 47 43 43 82 78 71 65 58 51 48 48 100 64 59 53 47 39 34 29 27 77 70 63 55 47 40 35 32 84 78 70 61 51 45 39 35 50 63 54 50 41 36 27 25 20 80 68 60 51 43 34 32 26 - - - - - - - - Flow 60 [l/s] Flow 120 [l/s] Flow 180 [l/s] 500 68 67 64 59 55 53 52 51 72 71 68 62 59 55 54 53 78 77 74 67 63 60 59 58 160 300 63 62 59 55 52 49 46 45 67 66 64 58 55 52 49 48 75 75 71 65 61 58 54 54 200 61 58 56 50 48 42 40 40 68 65 62 56 53 47 44 44 76 73 69 63 59 53 50 50 100 59 54 50 45 40 35 33 31 70 64 60 53 48 42 39 38 77 73 69 61 54 48 45 44 50 54 50 46 37 33 29 25 25 69 64 58 48 42 37 32 32 - - - - - - - - Flow 100 [l/s] Flow 200 [l/s] Flow 300 [l/s] 500 70 64 61 55 52 52 55 55 75 68 65 59 55 55 59 59 83 76 72 65 61 61 65 65 200 300 67 62 56 50 48 45 48 48 74 68 62 55 52 51 53 52 84 78 71 64 61 57 60 60 200 62 57 55 47 44 42 42 42 71 65 62 53 50 48 47 47 83 76 71 62 58 55 54 54 100 57 52 48 41 39 36 34 34 69 64 58 50 47 44 42 42 83 76 69 59 56 53 50 50 50 51 45 41 36 32 32 28 28 63 56 51 44 39 39 34 34 - - - - - - - - Flow 150 [l/s] Flow 300 [l/s] Flow 450 [l/s] 500 69 66 59 53 50 54 53 52 71 67 61 56 53 56 55 54 78 75 68 61 58 61 60 59 250 300 63 61 55 50 47 46 48 47 66 63 57 51 48 47 51 48 75 72 65 59 55 55 59 55 200 59 57 52 46 44 41 44 44 63 60 55 49 46 44 46 46 72 69 63 57 55 54 54 53 100 56 52 45 41 38 36 34 31 63 57 51 45 43 40 38 35 75 69 60 56 52 49 45 42 50 52 48 40 38 34 30 28 24 61 56 47 45 40 38 33 28 - - - - - - - - Flow 250 [l/s] Flow 500 [l/s] Flow 750 [l/s] 500 68 65 59 53 50 50 53 50 74 71 65 58 55 55 58 55 82 78 71 64 60 60 54 60 315 300 62 59 54 49 46 45 49 43 69 66 60 54 51 51 54 48 78 74 68 61 57 57 61 54 200 60 55 50 45 43 40 43 40 70 64 58 52 49 48 49 46 79 72 66 59 58 57 56 52 100 54 52 45 41 38 36 36 31 66 63 55 50 47 46 44 39 76 72 64 57 54 52 50 44 50 49 49 43 38 34 32 30 24 64 64 56 49 45 42 40 32 - - - - - - - - Flow 400 [l/s] Flow 800 [l/s] Flow 1200 [l/s] 500 79 73 67 62 57 60 59 58 82 75 68 65 59 62 61 60 88 81 74 70 62 66 65 64 400 300 72 66 60 54 51 51 51 51 77 70 64 58 56 55 54 54 84 77 70 63 62 61 60 60 200 67 62 56 50 48 48 48 45 74 68 62 56 53 52 52 49 82 75 68 61 60 59 58 54 100 61 56 49 44 42 39 39 34 72 66 58 53 49 47 46 40 83 76 67 60 58 55 53 47 50 57 52 44 39 37 35 34 26 72 67 56 50 47 44 44 33 - - - - - - - - Flow 600 [l/s] Flow 1200 [l/s] Flow 1800 [l/s] 500 84 77 70 64 63 62 61 60 85 78 71 65 64 63 62 61 91 84 76 68 67 68 68 67 500 300 77 70 64 58 54 54 58 58 80 74 67 60 57 57 60 60 88 80 73 66 62 62 66 66 200 71 65 59 53 50 50 50 47 77 70 64 58 56 55 54 51 85 78 72 65 63 61 60 57 100 63 58 53 47 46 44 42 37 72 66 60 55 53 51 49 43 82 75 70 63 60 57 55 50 50 59 52 47 44 42 38 38 31 71 63 57 54 51 46 46 37 - - - - - - - - Flow 1000 [l/s] Flow 2000 [l/s] Flow 3000 [l/s] 500 88 80 73 69 66 64 63 62 90 83 75 71 68 67 65 64 96 88 80 76 72 72 70 68 630 300 82 75 69 65 62 61 58 55 84 77 70 67 63 62 61 56 92 84 77 73 69 68 68 61 200 78 72 65 62 59 55 55 49 80 74 67 64 60 57 57 50 89 82 75 71 67 63 63 56 100 71 66 59 54 50 46 45 40 78 71 66 59 56 49 47 44 90 82 76 68 63 58 55 50 50 66 58 53 48 43 40 39 30 77 68 62 57 51 45 48 36 - - - - - - - - DUCT-MC Lindab reserves the right to make changes without prior notice 4 Identification number 17.11.002 2020-08-31
Page number 5
Shut-off damper lindab | dampers and measure units DTMU Pressure Velocity app. 12 [m/s] Velocity app. 15 [m/s] dim loss Centre frequency [Hz] Centre frequency [Hz] Ød 1 [Pa] 63 125 250 500 1k 2k 4k 8k 63 125 250 500 1k 2k 4k 8k Flow 60 [l/s] Flow 75 [l/s] 500 75 75 75 75 68 64 56 53 80 80 80 80 72 68 60 56 80 300 75 75 71 71 64 57 50 43 79 79 75 75 68 60 53 45 200 75 75 71 65 61 51 41 34 - - - - - - - - 100 - - - - - - - - -------- 50 -------- -------- Flow 100 [l/s] Flow 120 [l/s] 500 84 81 80 72 68 62 61 61 88 85 84 76 72 65 64 64 100 300 81 80 79 70 67 59 56 55 86 85 84 74 70 62 59 58 200 80 80 79 69 66 55 51 51 - - - - - - - - 100 - - - - - - - - -------- 50 -------- -------- Flow 160 [l/s] Flow 180 [l/s] 500 89 85 81 73 69 62 62 58 91 87 83 75 71 63 63 59 125 300 86 86 79 71 68 60 56 53 89 88 81 73 69 62 58 54 200 89 85 78 70 63 56 52 52 - - - - - - - - 100 - - - - - - - - -------- 50 -------- -------- Flow 240 [l/s] Flow 300 [l/s] 500 84 84 80 72 68 65 65 65 89 89 85 77 73 69 69 69 160 300 81 81 78 70 67 63 59 59 87 87 83 76 72 68 64 64 200 84 80 77 69 66 58 55 55 - - - - - - - - 100 - - - - - - - - -------- 50 -------- -------- Flow 400 [l/s] Flow 450 [l/s] 500 90 82 78 72 67 66 71 70 93 85 81 73 71 70 74 73 200 300 92 84 78 71 67 63 67 66 95 87 81 72 68 66 69 68 200 90 83 79 69 65 62 61 60 - - - - - - - - 100 - - - - - - - - -------- 50 -------- -------- Flow 600 [l/s] Flow 750 [l/s] 500 87 83 76 68 64 68 68 68 94 90 82 74 70 74 74 74 250 300 84 80 73 67 65 64 62 61 91 87 80 72 70 69 72 68 200 82 79 72 64 63 63 62 61 - - - - - - - - 100 - - - - - - - - -------- 50 -------- -------- Flow 1000 [l/s] Flow 1200 [l/s] 500 89 85 77 69 68 67 69 65 92 88 80 72 71 70 72 68 315 300 85 81 74 66 64 64 66 59 89 85 78 70 68 68 70 62 200 86 79 72 65 63 62 64 58 - - - - - - - - 100 - - - - - - - - -------- 50 -------- -------- Flow 1600 [l/s] Flow 1800 [l/s] 500 95 87 79 75 67 71 70 69 98 90 82 78 70 74 73 72 400 300 91 83 76 69 67 66 65 64 94 86 79 71 70 69 68 67 200 89 82 75 69 67 64 63 60 - - - - - - - - 100 - - - - - - - - -------- 50 -------- -------- Flow 2400 [l/s] Flow 3000 [l/s] 500 96 88 80 72 70 73 72 71 102 94 85 78 75 77 77 76 500 300 93 85 78 70 66 66 70 70 99 91 83 74 70 70 74 74 200 91 84 76 70 68 66 65 61 - - - - - - - - 100 - - - - - - - - -------- 50 -------- -------- Flow 4000 [l/s] Flow 4500 [l/s] 500 103 95 86 82 77 77 76 73 107 98 90 85 81 81 80 76 630 300 100 91 83 79 75 75 74 66 105 96 88 83 79 79 79 70 200 98 90 82 78 74 70 70 62 - - - - - - - - 100 - - - - - - - - -------- 50 -------- -------- DUCT-MC Lindab reserves the right to make changes without prior notice 5 Identification number 17.11.002 2020-08-31
