Since January 1st, 2019 the company UTEK srl has been incorporated by the company CLA srl

Acoustic louvre

Circular sound attenuator in galvanised steel


Casing in galvanised steel, thickness 0,8 mm up to ø 1250 and 1,0 mm over

Mounting flange with threaded insert

Acoustic material in mineral wool 70 Kg /m³ with protection against erosion by glass fibre fire resistance M0 and extended metal sheet

Acoustic data tested in accordance to ISO 7235 (test report N°9580180)


SCZO: with internal ogive

Stainless steel execution on request