Product Functions:

The GG Door fire-resistant steel rolling shutter doors feature an attractive appearance and a compact structure. It has the characteristics of fire prevention, theft

prevention, wind resistance, smoke prevention, and flexible opening and closing. The steel fire-resistant rolling shutter door with an evacuation door adds an “escape” function for people, especially when there is a power outage.

Product Introduction:

The GG Door steel rolling shutter doors achieves the lifting of the shutter through the transmission device and control system. It can effectively prevent the spread of fire and safeguard life and property. With a simple and beautiful overall appearance, it has the feature of a concealed rolling shaft. Its structure is reasonable and compact. The GG Door steel fire-resistant rolling shutter door only occupies a small amount of top-space but can play the role of fire prevention and heat insulation, especially suitable for large openings in buildings.

Type：

•Steel fire-resistant rolling shutters with normally open steel doors

Fire resistance limit / h：≥3.00

Performance Indicators：

Smoke leakage [m³/(m².min)]: ≤ 0.2

Wind pressure resistance strength (Pa): ≥ 784

Opening and closing speed of the rolling shutter (m/min): ≥ 2 – 9

Average noise during opening, closing and operation: ≤ 75dB

Closing time of the normally open steel door: < 20S

Fire resistance rating of the normally open steel door: Class A fire door

# 产品功能：
GG门业钢制防火卷帘门外形美观、结构紧凑，具备防火、防盗、抗风、防烟及启闭灵活等特点。带疏散小门的钢制防火卷帘门增设了人员“逃生”功能，在停电状态下尤为实用。

# 产品简介：
GG门业钢制卷帘门通过传动装置与控制系统实现帘体升降，可有效阻止火势蔓延，保障生命财产安全。产品整体造型简洁美观，卷轴可隐蔽安装，结构合理紧凑。该防火卷帘门仅占用少量顶部空间，即可实现防火隔热效果，特别适用于建筑内的大尺寸洞口。

# 型号：
• 带常开钢制小门的钢制防火卷帘门

耐火极限 / 小时：≥3.00

# 性能指标：
漏烟量 [立方米/(平方米·分钟)]：≤ 0.2
抗风压强度（帕）：≥ 784
卷帘启闭速度（米/分钟）：≥ 2 – 9
启闭及运行平均噪声：≤ 75分贝
常开钢制小门关闭时间：＜20秒
常开钢制小门耐火等级：甲级防火门