[Jie Weinuo Industrial Star recommendation - Industrial production damper damper] Jie Weinuo exhaust valves, normally open, 70 degrees or 280 degrees closed, usually installed in the duct through the firewall at the remote control exhaust valves, fires off the role of multi-leaf exhaust valves, you can set the output electrical signal, the temperature exceeds 70 degrees or 280 degrees when the valve is closed, [Jie Weinuo Industrial Star recommendation - damper damper] 70 degrees, 280 degrees exhaust valves, plate discharges etc. Jie Weinuo Industry professional management damper products, our company has advanced production equipment, to undertake; smoke ventilation engineering fabrication and installation. Multi-leaf exhaust valves, Jinnan exhaust valves, exhaust valves selected by 捷维诺 捷维诺 Industries (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!