DVAC Sound Attenuators have been tested and certified in accordance with ASTM E477-06a Standards; Dynamic Insertion Loss and Self Noise Acoustic Performance Data, were obtained at AMCA/USA Test Facility, using the Duct-to-Room Reverberant Test Facility with air flowing through the Sound Attenuators.

Standard Types of DVAC Sound Attenuators (Rectangular & Circular):
     – RSA
     – CASA
     – CBSA

DVAC Sound Attenuators are Licensed to Bear the AMCA Seal for the Sound and Air Performance Ratings.