Rectangular Ventilation Ducts

The declared product is a system of ventilation ducts intended for use in mechanical ventilation systems in residential, commercial, and industrial buildings. The product system mainly consists of rectangular ventilation ducts, together with ventilation fittings and inspection components, such as inspection hatches. The products are designed to transport air within HVAC systems and are manufactured in a range of dimensions and configurations to meet different installation requirements. 

The ventilation duct system is primarily manufactured from galvanized steel (Z275), which represents the dominant material used in regular production. The available dimensions range from 200 mm to 1 500 mm and offer air tightness class C and pressure class 2 in accordance with SS-EN 1507:2006. Certain components may also contain minor amounts of other materials, such as rubber seals, adhesives, and plastics, for example plastic screw handles used in inspection components. The products are intended for indoor use and are compatible with standard ventilation system installations.