Constructions:

- All attenuators (casings & Splitters) are constructed of galvanized sheet metal Ga 20 minimum. Casing is formed with lock-formed seams with duct sealant (complied with SMACNA standards). Other casing materials are available upon request.
The splitters contains acoustic infill has a glass tissue facing concealed behind galvanized perforated sheet, the splitters have radius end at the air flow direction to minimize air pressure loss and regenerated noise. Sound Attenuators are available in Square, Rectangular & Circular; they can be fabricated as straight, reduced and elbowed duct.