Дуга естественная система вентилятора

Roof natural ventilator is a streamline structure ventilator.Roof natural ventilator is consistedition of wall rack,outside plate,rainroof plate,weather groove,valve plate,support seats,flooding valve,and actuator .Its features are as bellow: 1.Among ventilator of same kinds in China,owning to its advanced technological structure ,our ventilator is in the leading position in its excellent waterproof effect and wind resistance. 2.With residence coefficient less or equal 1.65,the ventilator and heat radiation,most suitable to be used under the condition of high temperature radiation . 3.Elegant,well designed .Its exterior and interior design are both advanced. 4.All data of the products are exceeding or meeting the standard ,all products are reliable in quality,strong in anti-corrosion. 5.Compared with ventilator of the same kind and traditional skylights,the products are similar with them in cost, yet the products is large in scale and excellent in rainproof.Its technical performance can fully meet the designing demands for ventilator .