By and large open plenum ceiling grid systems are intended to provide a low cost air return solution for office spaces and buildings.
Return air silencer.
24 and 36 lengths price.
The gsv is designed for low volume low velocity situations where spot attenuation is necessary.
Compact design good broadband performance acoustically transparent perforated liner acoustical grade fibrous media primary applications.
Secure z duct z secure secure z duct silencers add a level of.
The gsv4 is a grille transfer silencer.
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.
An open air return permits air to cycle into the plenum but it also allows sound and conversations to pass with it.
Primary applications non ducted return grilles vertical packaged ahu return supply grille retrofit applications general.
What is often overlooked is the need for speech privacy and sound control.
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.
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.
Ra catalog sheet configured for return air transfer openings or return air grilles between adjacent spaces.
Pottorff model ra silencer is designed for return air transfer openings or return air grilles between adjacent spaces.
Lightweight and easy to install this innovative product provides an economical solution for return air noise and improved speech privacy.
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 product provides an amazing amount of attenuation in such a compact and economical package.
Non ducted return grilles vertical packaged ahu return supply grille retrofit applications general ventilation portable gen sets.