[Jie Weinuo Star recommendation damper] installed in sending ventilation and air conditioning systems, return air duct way, usually was turned on, when a fire inside the pipe when the gas temperature reaches 70 ℃, fusible fuse damper diagram, valve torsion force automatic closing fire dampers, within a certain period of time to meet the fire resistance stability and fire integrity requirements 150 ℃ fire dampers, valves separated from the effects of smoke fire retardant. When the valve is closed, the output off signal. [Jie Weinuo Industrial Co., Ltd. Star recommendation b] Plate Plate exhaust valve exhaust port mounted on the walkway roof, front wall and the smoke chamber can also be mounted directly on the exhaust channel at the end, when the fire broke out, smoke detector issue fire signal, the control center through the valve DC24V electricity to the remote control device, or manually open the valve manually open the damper, be smoke. Performance: 1, Telecommunications No. DC24V ± 2.4V will exhaust port open; 2, remote from the manual open, remote manual reset; 3, when the exhaust port is open, the output electrical signal, according to user needs can interlock with other devices. 150 ℃ damper, Chittagong damper, damper manufacturers Jie Weinuo provided by 捷维诺 (Tianjin) Co., Ltd. Jie Weinuo (Tianjin) Co., Ltd. (www.jieweinuo.com) strong, credible, in Tianjin fans, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Jie Weinuo Industrial and you work into the brilliant, for a better future!