|PD-B/II roof base - round shape connection (without flange), with extension cylinder at the bottom, made of galvanized steel|
Roof base PD-B are used in ventilation installations for load-bearing elements intake / exhaust roof louvre of circular cross section and round gravity ventilator. For use on spiral ventilation ducts and ventilation installations wireless. They allow to let out installation by roofs of different construction and give to the roof structure weight intake / exhaust roof louvre or round gravity ventilator.
Roof base has Hygienic Certificate HK/K/0522/03/2016
Material and workmanship
Roof base type B is made of galvanized steel. On request it is possible to powder coated to any RAL color and make roof base of aluminum and stainless steel.