技术性能
耐火极限：4小时
热辐射强度：O.4w／cm3
防烟性能：压差20Pa时，帘板防烟量小于0.2M3／m2.min
抗风压：80kg／m2
启闭速度：2-9m／min
洞口zui大封闭宽度：单向15米,双向30米

Advantage
It is speciallv designedfor which have a prety wide opening width
The door can be designed in curve t0 incease the integrate impression

Technique Property
Fire--resistance time：4 hours
Heat radfancy：0.4w／cm3
Smoke proof：When pressurs dispersion is 20Pa,curtain smoke leakage less than 0.2m3／m2.min
Anti-pressure：80Kg／m2
Open and close speed：2--9m／min
Maximum opening width：single reel tupe is 15m,double reels type is 30m