Design

The CLA-B is a rectangular sound attenuator for connection to circular ducts, is equipped with an acoustic centre baffle for improved sound attenuation data.

The installation height is as much as 80 mm lower than equivalent conventional sound attenuators.

The CLA-B is an excellent option, for kitchen flues for in- stance (held by means of a fixing clamp for simple removal for cleaning. The sound attenuator is also available in ver- sions without baffle and with smaller duct connection sizes. For more information, contact your nearest Swegon Office.

The sound-attenuating material on dimension 500-800 ISOVER Cleantec® PLUS, is a type-approved insulation material consisting of long-fibred compressed mineral wool. The mineral wool is covered with a micro-perforated aluminium foil. ISOVER Cleantec® PLUS is type-approved for cleaning using liquids with a plastic brush or even a high- pressure cleaning apparatus. Naturally it also conforms to relevant standards regarding cleaning, fibre entrainment, resistance to ageing and emissions, etc. to type-approval number 2706/92.

The connection spigots are fitted with rubber seal rings. The standard CLA-B is made of galvanised sheet steel.