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Technical requirements for fire shutter doors

Update:03-08-2018
Summary:

1 . Average lifting speed: 3 m / min. 2.  Fire resistan […]

1 . Average lifting speed: 3 m / min.
2.  Fire resistance time: 240 minutes.
3 . Smoke leakage: 0.18m3/min.
4 . Electric up and down, automatic locking, manual opening.
5 . Received the smoke temperature signal, the roller blind automatically forced to land.
6 . Received a signal from the fire control center, can be forced to the end or stop at any position

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