HVAC silencers, also known as duct silencers or sound attenuators, are used
to attenuate airborne noise through commercial or residential HVAC ductwork
systems, building openings, sound enclosures, ventilating fans, and plenum equipment.
Commercial Acoustics sound attenuators are engineered to achieve a maximum
insertion loss and a minimum pressure drop, and feature airfoil design for efficient
aerodynamic performance. Galvanized steel construction and an absorbent, inorganic
mineral glass fiber acoustical fill guarantee excellent reliability and performance.
The standard Model HPA silencers are designed to attenuate conventional HVAC noise can be used in systems with a face velocity
of -2000 to 2000 fpm.
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