TG turbine ventilator 500mm

1.The ball diameter is 620mm and the throat diameter is 500mm; 2.Our ventilators are made of stainless steel,alminum alloy and fluorinecarbon coated; 3.The UBC bearing we used are imported form USA.; 4.We can design other sizes according to your demands; 5.We guarantee the usage of our turbine ventilators for 15 years. All the parts of the turbine ventilators are finished by the professional molding tools,they are assembled after checking by the professional equipments.It works without the electricity power,they can change our air condition indoors,leave us a comfortable environment.Also,when used in a workshop or a storeroom,they can advance the working environment,and this improves the workers' efficiency.