[Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product] 1 --70 ° damper damper with fan, exhaust fan interlock. 2. The operation of the valve mechanism side should be not less than 200mm of headroom to facilitate maintenance. 3. Install the valve must be checked before the valve operating mechanism is intact 150 ℃ dampers, the action is flexible and effective. The damper should be installed in the duct segments close to the wall or floor, the fire dampers on both sides of the partition wall from the wall surface should not exceed 200mm, dampers and pipe insulation material on both sides of each 2.0m wide should be non-combustible material. 5. The damper should set up a separate hanger fire dampers to prevent pipe deformation affecting its performance in case of fire. 6. damper fuse should be installed in a large piece of the side facing the fire risk. [Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product -] usually installed on both the demand and the need for fire places smoke ventilation ducts, duct can also be used for gas extinguishing systems or hoisting aloft ceiling ventilation and air conditioning ducts on. The main functions and characteristics .70 ℃ fuse action, the valve automatically closes. .DC24V Electrical input valve, quickly closed. Manually shut down manually adjustable closing moments. The output signal of smoke damper closed, air-conditioning fan interlock. . Consumers can control center output DC24V electrical drawings damper valve closed, no replacement of temperature sensors, can be used repeatedly. Manually adjusting the valve opening angle. Structure: The main components: body, valves, bushings, automatic reset executing agencies in various parts of the surface corrosion treatment, good corrosion resistance. Damper manufacturers | Tianjin Jinzhong Ji ventilation engineering (certified) | Tianjin Tianjin Jinzhong Ji HVAC dampers provided by purification equipment. Tianjin Jinzhong Ji HVAC purification equipment Limited (www.Jzjnt.com) is a leader in Tianjin, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the group leadership with the staff warmly welcome all inquiries negotiations to create a better future for the base.