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一、无机布基防火卷帘无机布基防火卷帘是北京市新型防火装备厂防火卷帘系列产品的新品种 ,其帘面采用膨化硅酸铝纤维布外涂加强耐火能力的胶层为基材 ,外部间隔 50 0～60 0ｍｍ设加强筋条。传动机构基本沿用了钢质防火卷帘的形式。在同等洞口条件下进行了轻型化设计 ,具有手电
First, the inorganic Burki fire shutter inorganic Burkina Faso fire shutter is a new type of fire prevention equipment factory in Beijing fire shutter series of new varieties, the curtain surface with extruded aluminum silicate fiber cloth to enhance the fire resistance of the outer layer of plastic-based Material, the external interval of 50 0 ~ 60 0mm reinforced ribs. Transmission basically follow the form of steel fire shutter. In the same hole under the conditions of a light design, with a flashlight