[Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - damper] such valves generally located in the ventilation and air conditioning pipes across the fire district. Usually open when the fire is closed to cut off the smoke, the fire spread along the ventilation ducts to other fire district. This class is divided into the following three categories dampers have: 1. driven by mounted in the valve body temperature fuse connected damper actuator movement. The temperature fuse fusible fuse or fusible link temperature 70 ℃, the most widely used such dampers. 2. When installing pay special attention to the temperature of the fuse must be installed with the air flow direction. When the damper with damper adjustment function, also known as the fire control valve. 3. by temperature sensor located in the ceiling linkage damper, such valves are often called smoke valve. Wholesale damper according to project needs, and some already provided with a temperature fuse again with a smoke detector on the damper linkage, these valves as smoke dampers. In the dual-purpose system fan damper, some dry air vents located in the tube. The vents should be closed when the exhaust smoke damper, then you can adopt a combination of dampers and Grille fire vent. [Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product -] 280 degrees using the fire dampers on exhaust pipes, and the rest by the fire district with a high of 70 degrees damper regulation say "smoke damper" Unlike "damper." Class 1 fire, fire dampers: the role of the fire, 70 ° C temperature fuse automatically close linkage, ventilation and air conditioning systems used within the duct 2, smoke dampers: to rely on smoke control action, the electric off (smoke), temperature of 70 ° C can also be turned off automatically fuse (fire) is used in the ventilation and air conditioning systems duct dampers wholesale, Tianjin Jinzhong Ji Alibaba Gold Supplier, provided by the Tianjin Tianjin Jinzhong Ji HVAC dampers 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.