Circular sound attenuator in galvanized steel with insulation shell thickness of 50 or 100 mm enveloped in a glass film for air speeds up to 20 m / s
Attenuation values according to DIN EN ISO 7235 (63, 125, 250, 500, 1k, 2k, 4k, 8k [Hz])
SAR-G50 100 (200 mm) L=300mm
Explanation:
SAR-G = Type of sound attenuator
50 = Thickness of insulation in mm
100 = Connection diameter in mm
200 = Outer diameter (insulation shell included) in mm
300 = Length in mm
Sound attenuation values
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80 | 180 | 300 | 4 | 6 | 5 | 13 | 15 | 16 | 12 | 15 | 1.7 | 0.374 | 80 | 180 | 600 | 4 | 9 | 13 | 26 | 30 | 32 | 25 | 24 | 2.9 | 80 | 180 | 900 | 4 | 11 | 22 | 39 | 45 | 48 | 37 | 33 | 4.1 | 80 | 180 | 1200 | 4 | 13 | 31 | 50 | 50 | 50 | 50 | 42 | 5.2 | 100 | 200 | 300 | 3 | 8 | 7 | 10 | 25 | 37 | 36 | 12 | 2 | 0.286 | 100 | 200 | 600 | 4 | 9 | 11 | 19 | 33 | 45 | 40 | 19 | 3.3 | 100 | 200 | 900 | 4 | 10 | 15 | 28 | 40 | 50 | 44 | 27 | 4.6 | 100 | 200 | 1200 | 4 | 10 | 20 | 37 | 48 | 50 | 48 | 34 | 5.9 | 125 | 224 | 300 | 3 | 4 | 7 | 11 | 15 | 14 | 16 | 11 | 2.3 | 0.22 | 125 | 224 | 600 | 4 | 6 | 10 | 19 | 28 | 33 | 25 | 18 | 3.8 | 125 | 224 | 900 | 4 | 9 | 14 | 27 | 42 | 50 | 35 | 24 | 5.3 | 125 | 224 | 1200 | 4 | 11 | 17 | 36 | 46 | 50 | 46 | 31 | 6.8 | 140 | 250 | 300 | 3 | 4 | 7 | 11 | 16 | 14 | 15 | 10 | 2.7 | 0.163 | 140 | 250 | 600 | 4 | 7 | 9 | 18 | 34 | 32 | 24 | 16 | 4.5 | 140 | 250 | 900 | 4 | 9 | 12 | 26 | 41 | 48 | 34 | 21 | 6.2 | 140 | 250 | 1200 | 5 | 12 | 20 | 44 | 50 | 50 | 50 | 27 | 8 | 150 | 250 | 300 | 2 | 3 | 6 | 11 | 16 | 14 | 15 | 9 | 2.7 | 0.176 | 150 | 250 | 600 | 3 | 6 | 9 | 17 | 30 | 29 | 24 | 13 | 4.5 | 150 | 250 | 900 | 4 | 7 | 12 | 25 | 38 | 44 | 32 | 17 | 6.2 | 150 | 250 | 1200 | 5 | 9 | 18 | 37 | 47 | 50 | 44 | 21 | 8 | 160 | 250 | 300 | 1 | 2 | 5 | 11 | 15 | 14 | 14 | 8 | 2.7 | 0.163 | 160 | 250 | 600 | 2 | 5 | 8 | 16 | 26 | 26 | 23 | 10 | 4.5 | 160 | 250 | 900 | 3 | 5 | 11 | 23 | 35 | 39 | 30 | 12 | 6.2 | 160 | 250 | 1200 | 4 | 6 | 15 | 30 | 44 | 50 | 38 | 14 | 7.9 | 180 | 280 | 300 | 1 | 2 | 5 | 11 | 13 | 12 | 12 | 8 | 3.1 | 0.14 | 180 | 280 | 600 | 1 | 4 | 8 | 16 | 24 | 23 | 18 | 10 | 5.1 | 180 | 280 | 900 | 3 | 5 | 11 | 21 | 33 | 35 | 23 | 12 | 7.1 | 180 | 280 | 1200 | 3 | 6 | 14 | 26 | 43 | 46 | 29 | 14 | 9 | 200 | 300 | 300 | 0 | 2 | 5 | 12 | 11 | 10 | 10 | 8 | 3.4 | 0.123 | 200 | 300 | 600 | 0 | 3 | 7 | 16 | 22 | 20 | 13 | 10 | 5.5 | 200 | 300 | 900 | 2 | 5 | 10 | 19 | 30 | 31 | 16 | 11 | 7.6 | 200 | 300 | 1200 | 2 | 6 | 12 | 22 | 42 | 41 | 20 | 13 | 9.8 | 224 | 315 | 300 | 1 | 2 | 4 | 10 | 11 | 9.5 | 7 | 6 | 3.8 | 0.108 | 224 | 315 | 600 | 1 | 3 | 7 | 15 | 21 | 18 | 11 | 8 | 6.4 | 224 | 315 | 900 | 2 | 4 | 10 | 18 | 28 | 26 | 15 | 10 | 8.9 | 224 | 315 | 1200 | 2 | 5 | 12 | 22 | 38 | 34 | 19 | 12 | 11.4 | 250 | 355 | 300 | 1 | 1 | 3 | 8 | 10 | 9 | 4 | 4 | 4.8 | 0.095 | 250 | 355 | 600 | 1 | 2 | 6 | 13 | 19 | 15 | 8 | 6 | 7.7 | 250 | 355 | 900 | 2 | 3 | 9 | 17 | 26 | 21 | 13 | 8 | 10.6 | 250 | 355 | 1200 | 2 | 4 | 12 | 21 | 34 | 27 | 17 | 10 | 13.5 | 280 | 400 | 300 | 1 | 1 | 3 | 7 | 9 | 7 | 3 | 3 | 5.5 | 0.081 | 280 | 400 | 600 | 1 | 2 | 6 | 12 | 18 | 14 | 8 | 5 | 8.9 | 280 | 400 | 900 | 2 | 3 | 9 | 16 | 25 | 20 | 12 | 7 | 12.2 | 280 | 400 | 1200 | 2 | 4 | 12 | 21 | 41 | 26 | 16 | 10 | 15.6 | 300 | 400 | 600 | 0 | 2 | 5 | 11 | 15 | 11 | 6 | 5 | 8.7 | 0.074 | 300 | 400 | 900 | 2 | 3 | 8 | 16 | 23 | 18 | 10 | 7 | 12 | 300 | 400 | 1200 | 2 | 4 | 10 | 21 | 34 | 24 | 15 | 10 | 15.3 | 315 | 400 | 600 | 0 | 1 | 4 | 10 | 12 | 7 | 4 | 4 | 9.2 | 0.069 | 315 | 400 | 900 | 1 | 2 | 6 | 15 | 21 | 15 | 8 | 7 | 12.6 | 315 | 400 | 1200 | 1 | 3 | 7 | 21 | 27 | 22 | 13 | 10 | 16 | |
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80 | 280 | 300 | 4 | 13 | 13 | 16 | 36 | 50 | 50 | 24 | 3.1 | 0.374 | 80 | 280 | 600 | 4 | 15 | 21 | 33 | 47 | 50 | 50 | 50 | 5.2 | 80 | 280 | 900 | 4 | 18 | 30 | 50 | 50 | 50 | 48 | 50 | 7.2 | 80 | 280 | 1200 | 5 | 20 | 39 | 50 | 50 | 50 | 50 | 50 | 9.2 | 100 | 300 | 300 | 3 | 12 | 14 | 22 | 33 | 48 | 44 | 21 | 3.5 | 0.286 | 100 | 300 | 600 | 4 | 14 | 18 | 29 | 39 | 50 | 48 | 46 | 5.7 | 100 | 300 | 900 | 5 | 17 | 23 | 36 | 46 | 50 | 50 | 50 | 7.9 | 100 | 300 | 1200 | 6 | 19 | 28 | 43 | 50 | 50 | 50 | 50 | 10.1 | 125 | 315 | 300 | 2 | 12 | 18 | 22 | 25 | 22 | 19 | 12 | 4 | 0.22 | 125 | 315 | 600 | 3 | 13 | 17 | 31 | 33 | 34 | 29 | 19 | 6.6 | 125 | 315 | 900 | 4 | 14 | 20 | 34 | 43 | 50 | 39 | 25 | 9.2 | 125 | 315 | 1200 | 5 | 14 | 21 | 37 | 50 | 50 | 50 | 32 | 11.9 | 140 | 355 | 300 | 2 | 10 | 15 | 21 | 22 | 20 | 18 | 11 | 4.8 | 0.163 | 140 | 355 | 600 | 3 | 11 | 15 | 29 | 35 | 33 | 29 | 17 | 7.9 | 140 | 355 | 900 | 4 | 13 | 19 | 32 | 41 | 49 | 41 | 23 | 11 | 140 | 355 | 1200 | 5 | 13 | 21 | 36 | 50 | 50 | 50 | 30 | 14 | 150 | 355 | 300 | 2 | 9 | 11 | 21 | 19 | 18 | 16 | 10 | 4.8 | 0.176 | 150 | 355 | 600 | 3 | 10 | 14 | 26 | 28 | 31 | 30 | 15 | 7.9 | 150 | 355 | 900 | 4 | 11 | 17 | 30 | 39 | 49 | 43 | 19 | 10.9 | 150 | 355 | 1200 | 5 | 12 | 20 | 39 | 50 | 50 | 50 | 22 | 14 | 160 | 355 | 300 | 2 | 7 | 8 | 20 | 16 | 16 | 15 | 9 | 4.8 | 0.163 | 160 | 355 | 600 | 3 | 8 | 12 | 24 | 26 | 30 | 30 | 10 | 7.9 | 160 | 355 | 900 | 4 | 10 | 16 | 28 | 37 | 48 | 45 | 13 | 10.9 | 160 | 355 | 1200 | 5 | 11 | 19 | 33 | 47 | 50 | 50 | 16 | 14 | 180 | 400 | 300 | 2 | 6 | 8 | 20 | 14 | 15 | 14 | 9 | 5.6 | 0.14 | 180 | 400 | 600 | 3 | 8 | 12 | 21 | 25 | 26 | 22 | 11 | 9.2 | 180 | 400 | 900 | 4 | 10 | 16 | 26 | 38 | 42 | 31 | 13 | 12.7 | 180 | 400 | 1200 | 5 | 12 | 19 | 30 | 47 | 50 | 39 | 19 | 16.3 | 200 | 400 | 300 | 1 | 5 | 7 | 19 | 12 | 14 | 12 | 9 | 5.6 | 0.123 | 200 | 400 | 600 | 2 | 7 | 11 | 17 | 23 | 22 | 14 | 11 | 9.1 | 200 | 400 | 900 | 3 | 9 | 15 | 23 | 32 | 35 | 17 | 13 | 12.6 | 200 | 400 | 1200 | 4 | 12 | 18 | 26 | 46 | 45 | 28 | 22 | 16.2 | 224 | 400 | 300 | 1 | 5 | 7 | 14 | 12 | 12 | 9 | 8 | 5.6 | 0.108 | 224 | 400 | 600 | 3 | 6 | 11 | 17 | 22 | 19 | 12 | 9 | 9 | 224 | 400 | 900 | 4 | 8 | 15 | 24 | 36 | 30 | 16 | 12 | 12.5 | 224 | 400 | 1200 | 5 | 10 | 18 | 29 | 46 | 36 | 23 | 18 | 16 | 250 | 450 | 300 | 1 | 4 | 6 | 8 | 12 | 10 | 5 | 4 | 6.6 | 0.095 | 250 | 450 | 600 | 3 | 5 | 10 | 16 | 20 | 16 | 9 | 7 | 10.7 | 250 | 450 | 900 | 4 | 6 | 14 | 24 | 30 | 24 | 14 | 10 | 14.7 | 250 | 450 | 1200 | 5 | 7 | 17 | 31 | 45 | 32 | 18 | 13 | 18.8 | 280 | 500 | 600 | 3 | 5 | 10 | 15 | 19 | 15 | 9 | 7 | 12.2 | 0.081 | 280 | 500 | 900 | 3 | 6 | 14 | 23 | 28 | 23 | 13 | 10 | 16.9 | 280 | 500 | 1200 | 4 | 7 | 17 | 30 | 44 | 31 | 17 | 13 | 21.5 | 300 | 500 | 600 | 2 | 4 | 10 | 13 | 18 | 15 | 8 | 6 | 12.1 | 0.074 | 300 | 500 | 900 | 3 | 5 | 13 | 21 | 27 | 22 | 12 | 9 | 16.7 | 300 | 500 | 1200 | 4 | 7 | 17 | 28 | 37 | 29 | 16 | 12 | 21.2 | 315 | 500 | 600 | 2 | 4 | 10 | 12 | 17 | 14 | 8 | 6 | 12.8 | 0.069 | 315 | 500 | 900 | 2 | 5 | 13 | 20 | 25 | 21 | 11 | 9 | 17.4 | 315 | 500 | 1200 | 3 | 7 | 17 | 27 | 33 | 28 | 15 | 12 | 22.1 | 355 | 560 | 600 | 1 | 3 | 9 | 11 | 12 | 7 | 5 | 4 | 15 | 0.061 | 355 | 560 | 900 | 2 | 5 | 11 | 16 | 19 | 14 | 8 | 7 | 20.4 | 355 | 560 | 1200 | 3 | 6 | 14 | 22 | 26 | 20 | 11 | 9.5 | 25.7 | 400 | 600 | 600 | 1 | 4 | 10 | 12 | 14 | 7 | 6 | 5 | 16.2 | 0.052 | 400 | 600 | 900 | 2 | 5 | 12 | 19 | 20 | 14 | 8 | 8 | 22 | 400 | 600 | 1200 | 3 | 6 | 13 | 23 | 27 | 18 | 11 | 10 | 27.8 | 450 | 630 | 600 | 1 | 4 | 8 | 12 | 14 | 7 | 5 | 5 | 19.1 | 0.048 | 450 | 630 | 900 | 2 | 5 | 11 | 16 | 16 | 8 | 6 | 5 | 26.3 | 450 | 630 | 1200 | 3 | 6 | 12 | 21 | 23 | 13 | 8 | 8 | 33.4 | 500 | 710 | 600 | 1 | 4 | 6 | 12 | 13 | 6 | 4 | 4 | 22.8 | 0.039 | 500 | 710 | 900 | 3 | 6 | 12 | 20 | 18 | 8 | 6 | 5 | 31.1 | 500 | 710 | 1200 | 3 | 7 | 12 | 23 | 25 | 11 | 8 | 7 | 39.4 | 560 | 800 | 600 | 1 | 3 | 7 | 13 | 11 | 5 | 4 | 4 | 26.6 | 0.034 | 560 | 800 | 900 | 3 | 5 | 11 | 20 | 15 | 7 | 5 | 4 | 36.3 | 560 | 800 | 1200 | 3 | 6 | 11 | 20 | 18 | 8 | 6 | 5 | 46 | 600 | 800 | 900 | 3 | 4 | 9 | 17 | 10 | 5 | 4 | 4 | 35.2 | 0.031 | 600 | 800 | 1200 | 3 | 4 | 11 | 20 | 15 | 6 | 5 | 4 | 44.6 | 630 | 800 | 900 | 2 | 3 | 8 | 16 | 6 | 3 | 3 | 3 | 38 | 0.03 | 630 | 800 | 1200 | 2 | 3 | 10 | 19 | 10 | 4 | 3 | 3 | 47.6 | 710 | 900 | 900 | 2 | 3 | 9 | 13 | 5 | 2 | 3 | 2 | 44.5 | 0.029 | 710 | 900 | 1200 | 2 | 3 | 10 | 17 | 9 | 3 | 3 | 3 | 55.6 | 800 | 1000 | 1200 | 3 | 3 | 10 | 15 | 7 | 3 | 3 | 4 | 70 | 0.023 |
- I = Insulation jacket thickness in mm
- DN = Nominal connection diameter of silencer in mm
- D = Outside diameter in mm
- L = Length in mm
- Δ Ptot = Δ PL x [(ρ x v²) / 2] x L
- Δ Ptot = Total pressure loss in Pascal
- Δ PL = Average total pressure loss coefficient ζ/m
- P = Specific weight = 1.2041 kg/m³
- v = Air velocity in m/s
- L = Length in meters
Pressure loss
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