Sheet metal ventilation aperture silencer MSA

steelaluminium

FOR INCREASED INSERTION LOSS AND BROADBAND ATTENUATION EVEN IN THE LOW FREQUENCY RANGE Splitter sound attenuators with integral splitters with resonating panels, suitable for air conditioning systems Attenuation effect due to resonance and absorption Energy efficient due to aerodynamically profiled frame (radius > 15 mm) Acoustic data measured to ISO 7235 Absorption material is biosoluble and hence hygienically safe Absorption material faced with glass fibre fabric as a protection against erosion due to airflow velocities up to 20 m/s Absorption material non-combustible, to EN 13501, fire rating class A1 Intermediate sizes in increments of 1 mm For use in zones 1 and 2 as well as in zones 21 and 22 according to EU Directive 94/9/EC (ATEX) Operating temperature up to 100 °C Optional equipment and accessories Additional perforated sheet metal to protect the absorption material Stainless steel, aluminium and PUR-coated constructions upon request Application Splitter sound attenuators of Type MSA used for the reduction of fan noise and air-regenerated noise in air conditioning systems Attenuation effect due to absorption and resonance Broadband attenuation even in the low frequency range of critical fan noise Hygiene tested and certified to VDI 6022 For use in potentially explosive atmospheres (ATEX), zones 1, 2, 21 and 22 (outside) Special characteristics Resonating panels ensure increased insertion loss in the frequency range of critical fan noise Up to 30 % lower differential pressure Energy efficient and/or space saving due to aerodynamically profiled frame Hygiene tested and certified Multi-section construction available for large dimensions