Return Air Silencer

What is often overlooked is the need for speech privacy and sound control.

Return air silencer.

Positioned directly above return grilles the rac prevents the transfer of occupant noise into the plenum above and prevents mechanical noise in the plenum from flanking through return grilles or open vents. The gsv is designed for low volume low velocity situations where spot attenuation is necessary. The product provides an amazing amount of attenuation in such a compact and economical package. Compact design good broadband performance acoustically transparent perforated liner acoustical grade fibrous media primary applications.

24 and 36 lengths price. Ra catalog sheet configured for return air transfer openings or return air grilles between adjacent spaces. An open air return permits air to cycle into the plenum but it also allows sound and conversations to pass with it. Return air silencer ras overview the compact design of the return air silencer ras provides an innovative solution for reducing plenum noise entering occupied spaces through return air openings and mechanical equipment noise transmission through transfer grilles.

By and large open plenum ceiling grid systems are intended to provide a low cost air return solution for office spaces and buildings. Primary applications non ducted return grilles vertical packaged ahu return supply grille retrofit applications general. Secure z duct z secure secure z duct silencers add a level of. Model ra silencers are fabricated with a 4 102 thickness for installation in wall cavities or other applications where noise control is required in a low profile.

The 4 depth allows plenty of options for the installation of this silencer. Silencers are constructed with a 22ga galvanized steel outer casing and 22ga perforated galvanized steel baffles filled with inorganic glass fiber. Pottorff model ra silencer is designed for return air transfer openings or return air grilles between adjacent spaces. The ts 4 grille silencer is only 4 deep and is ideal for installation behind return transfer air grilles to reduce the transmission of sound into the duct chase or plenum.

Air duct silencer reduces air noise traveling through hvac duct work and air ventilation systems. Lightweight and easy to install this innovative product provides an economical solution for return air noise and improved speech privacy.