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Operating principle:
When a fire breaks out, smoke and temperature detector detect smoke and temperature signal, The controller sends the action command to the coil door machine, the roll door machine works, completes the fire protection roll curtain descent, the second step drops, closes the function, thus stops the fire and the smoke spread.
Product parameters:
Product name | China special inorganic cloth soft double curtain fire shutter |
Surface treatment | be treated with galvanizing or baking oil |
Refractory limit time | 3 hours |
Opening and closing speed | 5.6~6.4m/min |
Material | steel |
Operating noise | 71dB |
Curtain protection | Water spray system |
Application | Commercial Building, Industrial Building, such as hotel, underground garage |
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