|WC roof ventilation unit - for air exhaust, cylindrical type, round shape connection (without flange), made of galvanized steel, can be installed on PD-B roof base|
Round gravity ventilator WC are used at the ends of ventilation ducts. Protect against direct influence of atmospheric conditions and support gravitational ventilation. They are also used with strong and often winds, air swirling at the inlet of the chimney, caused by the unfavorable location, and when the chimney draft is too small and not stable. Round gravity ventilator usually are mounted on bases BI, BII i BIII with base leveling roof drop. It is also possible mounting on the roof ridge.
Round gravity ventilator has Hygienic Certificate HK/K/0522/03/2016
Material and workmanship
Round gravity ventilator is made of galvanized steel, powder coated to RAL 9006. On request it is possible to powder coated to any RAL color and make of aluminum and stainless steel. They are equipped with circular flanges, adapted to the standard diameters of round duct.