特别研制的机械传动装置在防火电机的提升作用下将无机帘布折叠上升到洞口的顶部，能解决U型、L型、弧型以及特大跨度防火分区的防火分隔。*的技术解决方案已获中华人民共和国*授予实用新型权，号ZL-200620123212X。
The mechanical drivers that is specially developed can raise the inorganic curtain fold onto the top of the entrance with the power of the fire-fighting electromotor , give the solution for fire resisting division such as U-type , L-type , arc-type and super-size span fire zone. This distinctive technical solution was awarded utility model patent by State Inlectual Property Office of The People’s Republic of China, № ZL-20062012312X.
产品特点Features：
1可实现任意转弯、弧形转弯，适用于不规则形状洞口如中庭、手扶电梯口等的防火分区分隔围闭。
It can perform free turning and curves that is applicable to irregular shaped entrances such as fire resisting division in halls and escalators.
2 洞口跨度无限制，中间不需增加钢柱。
No entrance span limitation, no need for steel pole in the middle.
3 整樘卷帘可收藏在天花板内，配合装修效果，美观大方。
The whole curtain can be collected up in the ceiling , which perfectly coordinate with the decoration.
4 启闭运行平稳，安全可靠。
Stable and secure operation.
5 耐火极限>3.0h，不需另加水幕就可达到特级防火卷帘国家标准的要求。
Fire endurance >3.0h, meets the requirements of national standard of Special Fire Resistance Roller Shutters without additional water curtain.
技术参数Specification：
1 耐火性：试验进行180min，未丧失完整性；
Fire resistance：test duration 180min，no damage to integrality of the product.
2 隔热性：背火面zui高平均温升68.2℃，zui高单点温升82.6℃，未丧失隔热性；
Heat insulation：rear side max average temperature increase 68.2℃, max unit point temperature increase 82.6℃，heat insulation is still functioning.
3 耐火极限：>3.0h；
Fire endurance：>3.0h
4 漏烟量：<0.05m3/（m2·min），压差为20pa。
Smoke filtering value：<0.05m3/（m2·min），pressure differential 20pa。
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摘要:特别研制的机械传动装置在
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