Description• Standard Material: Galvanised Steel Sheet. • For lowering noise level in air ducts. • Low pressure loss due to aerodynamic splitter design. • Sound absorption material is made of glass wool and non-flammable according to DIN4102-A2. • Sound attenuator splitter-panels have thickness of 100, 200 or 300mm. Included with rock wool material(density: 50kg/cm3). Air contact surfaces are covered with fiberglass. • Three models available: Standard Model (SA-180), Circular Model (SA-280) and Improved Circular Model (SA-380). • After placing inside of air duct, sound attenuator is mounted with 4mm screws. • Eloxal, anodizing or electrostatic powder coating with ANY color from RAL catalogue OR BARE GALVANISED STEEL.Install one or more sound attenuators to reduce the operational noise of your exhaust fan system.It can be used without any maintenance other than cleaning, which should be done with a nylon brush as part of normal duct cleaning. The frequency of cleaning should be the same as that specified for the entire ventilation system.Available sizes: 100mm, 125mm, 150mm, 250mm
