Swirl diffusers sent rotating jet, induce ratio, wind speed and quickness Beijing attenuation double Grille, double the amount of wind can be used in air conditioning and ventilation systems Grille, a large temperature difference to reduce the number of air vents, ceiling mounted or on the ceiling and can be used within 3 meters lower space, but also two kinds of highly available large blast, even up to 10 meters above the height of the double Grille Material: carbon steel, stainless steel, aluminum and plastic outlet, return air, new outlet, air vents, how to distinguish? Outlet is the air conditioning system with double Grille model, it will not bring back the general filter, the surface will be very clean, condensate accumulation may also have to send in the above when cold; usually refers to the return air conditioning The return air, generally it will take back Guangdong double louver filter outlet, the outlet will have a black surface dust accumulated in the corner, it is easy to distinguish; new fan to the outside air is sent directly to the natural wind desired area, usually with a filter is; the outlet diffuser is generally square, was party line multi-removable, generally connected with fireproof canvas; always send cold drops hung! There are mostly rectangular return air, has said the single (double Grille, and with a filter; main role is to dirty air is sucked back new outlet is small, each room or on wall-outlet was installed. the line must be a new outlet undoubtedly! exhaust port grille is generally mounted on the outer walls, the main role is to polluted indoor air into the room, the use of axial fan because the machine mouth rounded for ease of construction generally use metal duct to connect! installation location indoors mostly in a corner not far from the room! The above information are from Baidu library, and the other by the individual to modify the assembly. If you have questions or vulnerability and hope see who made timely changes. Guangdong double Grille | Echo double Grille plant (certified) |. Double Grille provided by the Texas Air Conditioning Equipment Co., Texas Echo Echo Air Conditioning Equipment Co., Ltd. (www.aikekt.cn) is Dezhou, central air conditioning leaders, over the years, the company implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In Echo conditioning leadership with the staff warmly welcome all inquiries negotiations to create a better future for air conditioning Echo .