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* The GL is a wall mounted device that is composed of a set of horizontally mounted blades that are normally closed and are free to rotate around their horizontal axis.
* This louver serves as a non-return damper and can be used at the exit terminal of exhaust ducts and fans. * A certain pressure is usually required before the damper opens to expel the exhaust air, which ensures the elimination of back flow. * The blades are made from light weight aluminium sheets while the frame is made from extruded aluminium. 30 mm frame as a standard.
Product feature
1. They are used for air extraction and automatic closing of duct when the fan is switched off. 2. They consist of a frame and movable plates mounted horizontally one above the other. 3. They are installed only vertically with blades downwards. 4. Made of extruded aluminum, powder coated. 5. Finishing:White powder coating RAL9016,RAL9010,or customized color.
air units has successfully passed the ISO9000:2000 quality management system certification. This product has been exported to more than 50 countries.
Each team in Ventech follows the strict quality assurance system to ensure the quality of air units. This product has been exported to more than 50 countries.