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：8kg／m。
启闭速度：2—9m／min
技术参数
通用规格：逃生门的尺寸不小于1.70m(高)0.70m(宽)
谜生门开启角度不应小于90度

Composite fore rolling shutter with
special exit door offers if power fails
during fire rising．
Tecjmoqie property
Fire--resistance time：4 hours
Heat radiancy：O.4W／cm3
Smoke proof：When pressure dispersion is 20Pa，
curtain srooke Hakage Iess than O.2M3／m2.min
Anti--pressure：80Kg／m2
Open and close speed：2—9m／min
Technique Parament
Genaral size：the exit door size not less than
1.7m(height)一0．7m(width)
The exit door open angle not less than 90 degrees