double fire door modern fire rated doors from China manufacturers

Technical parameter

1. Fire resistance: more than 3 hours.

2.The average temperature rise of the back of the firing surface: 36 C ~50 C

3.Weight (motion) descent speed: less than 9.5m/min

4.Smoke leakage of the shutter surface: less than 0.10m /min

5.Shutter surface weight: 7.5kg

6.Motor power: 0.25KW`0.75KW

7.Power supply: DC24V AC380V, 50HZ

Advantages:

1.Inorganic fabric fireproof shutter is a double rail and double curtain structure.It is equipped with a certain thickness of the atmosphere between two layers of the shutter. Each shutter is made up of three layers of material compound by the fire side shutter to resist the fire, the back shutter of fire side to be thermal radiation prevention or other high temperature resistant fabric, and the middle insulating layer with the special treated reinforced silicate refractory fiber blanket whose surface thickness is 10-20 mm.
2.Super inorganic fireproof shutter refractory function is superior than other fire shutter.

Application:

1. Fire isolation is designed in large space, large area and special shape.

2. According to the requirements of the site, the installed shape could be designed as U, O, S, C, V, L and ◇,etc.

3. It is especially suitable for large span and irregular space places, such as the escalator of shopping mall,the courtyard of mall,exhibition hall, airport terminal, large stage theatre, exhibition center and other difficult places for construction.