Over the years damper prices, the factory fully absorb the domestic well-known manufacturers of technical and management personnel, use of advanced automated production lines and standard operating equipment damper international level, the implementation of modern enterprise management system, and pursuing open humane management, market oriented, and actively build marketing network and after-sales body, combined with China's national conditions and innovate, develop a new generation of international advanced level of professional products. Our plenum is made of high quality materials and superb technique developed from a small resistance, air volume, good insulation tube insulation properties, high strength, high mounting precision, factory product variety, specifications complete, factory outlets, price concessions. can be customized, 100% quality assurance, integrity-class service, praise home and abroad. Product Principle installed in the central air-conditioning duct system works easily fluxing temperature control, by the action of gravity and spring mechanism closes the valve. When a fire occurs, the fire invaded the duct, high temperature causes the fusible alloy melting on the valve, or to memory alloy deforms the valve automatically closes, for air duct and the fire district throughout occasions remote control plate discharges required distance control, remote manual open, DC24V open telecommunications, remote manual reset, feedback on signal or interlocking signal, no warm feeling 150 ℃ damper, with 6m rope. Near the control plate discharges contrast, close to manually open, DC24V electrical open, close the damper module manual reset, feedback on signal or interlocking signal, no temperature-sensitive plate discharges purposes: generally installed in elevator, corridor, no exhaust port at the window of the room on the exhaust system, the upper surface of the stick side wall or ceiling surface. Usually in a normally closed state, open for smoke in case of fire. Operating device mounted near the exhaust port from the high walls of about 200mm ground by rope operating device associated with the exhaust port for remote control, the length of the rope is generally 6m. Flue damper | Rui Xincheng air conditioning (certified) | Datong damper is provided by the Texas Air Conditioning Equipment Co., Ltd. Rui Xincheng. Rui Xincheng Texas Air Conditioning Equipment Co. (www.dzrxckt.com) is an industry leader in Shandong Dezhou, fans, ventilation equipment, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs . Rui Xincheng air conditioning in leadership with the staff warmly welcome all inquiries negotiations to create a better future Rui Xincheng air conditioning.