Xin Feng air conditioning | 70-degree damper effect | Ordos dampers

 Products using the Edit smoke dampers are mainly used on duct ventilation and air conditioning systems damper, usually in a "normally open" state, when the air temperature reaches 70 ℃, through the valve fuse action and automatically shut down. Exhaust port, exhaust valves are set on the pipe exhaust system, or installed in the inlet of exhaust fan fire, usually 70 degrees damper is closed icon case of fire, through linkage, automatically turn smoke . Dampers installed in the exhaust fan at the entrance and ventilation and air conditioning systems use either system, usually in the "open" state, ventilation dampers picture 70 degrees, when the air temperature reaches 280 ℃ pipe, the valve by fusible metal temperature fuse action automatically shut down, cutting off air flow and prevent the spread of fire dampers quality requirements for quality testing requirements are generally reflected in damper areas: performance testing of temperature sensor motion damper, exhaust valve temperature sensing element, respectively, by the thermostat predetermined temperature water bath, oil bath, with no action by the test operation, is checked off as required can be accurately temperature. Close reliability test on the test stand operation 250 times 70 degrees off damper effect, specimen should be able to close the open position flexible and reliable, the parts should be no significant wear, deformation and damage affecting its sealing performance. In order to test the reliability of closure. Salt spray test specimens salt box will be sprayed salt spray test, the specimen shall be securely closed from the open position, the valve in order to test the actual project corrosion resistance. Xin Feng air conditioning | 70-degree damper effect | Ordos dampers provided by Xin Feng air conditioning. Looking for "fans, dampers, air, fresh air units" reliable suppliers, network operators choose to have a full alliance certification: City of Shandong Wu Xin Feng HVAC Equipment Co., Ltd. (www.pyfj888.com), trustworthiness and reliability, now click on the page "Commercial Union customer service" on instant chat with us now!