Star Industrial Co., Ltd. [Jie Weinuo recommended exhaust valves] damper leafy exhaust port normally closed, normally open, normally installed in the duct through the firewall location leafy exhaust port outlet, there is fire off effects, can Set the output electrical signal leafy exhaust port, the temperature is above 70 degrees or 280 degrees when the valve is closed, the linkage to send (up) the fan is off. Star Industrial Co., Ltd. [Jie Weinuo recommended plate discharges] plate discharges scope mounted on the front walkway or smoke room, windowless room at the exhaust port of the exhaust system can be mounted on a ceiling or mounted sidewall. Leafy exhaust port outlet, Hengshui leafy exhaust port, Jie Weinuo dampers Industrial production is 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 hand into the brilliant, for a better future!