circular sound attenuators.
Casing in galvanized steel. Insulation in mineral wool 60 kg/mc.
Insulation thickness:
-50 mm for Ø egual or less than 315 mm.
-100 mm for Ø egual or greater than 355 mm.
-Coupling (E).
-Flange (F).
-Joint by collar (BC).
VARIANT:
-Without ogive (N).
-With ogive (V).
Brofer Srl - All rights reserved - P.I. 01459590285
Cap. soc. i.v. € 100.000 Reg. imp. PD R.E.A. n° PD - 161099