Fireproof principle of steel fire proof rolling shutter door

Fireproof principle of steel fire proof rolling shutter door

Steel fire-proof rolling shutter door refers to the rolling shutter made of daily forming technology, which can be made into a fire-proof rolling shutter door after connecting with each other. It is in the form of normally open, when the fire alarm, rolling curtain automatically fall, cut off the fire, to achieve its function. Steel fire shutter doors are suitable for building fire partition, plant and large building entrance. Steel fire shutter door production is made of main curtain plate and auxiliary curtain plate one-time pressing, with smooth surface, no welding, high strength and so on. Customized steel anti-fire rolling curtain in the middle of the filled with flame retardant insulation materials, greatly reduce the thermal radiation, back fire refractory time long, superior performance, and can save water curtain protection system, can satisfy all kinds of level of the partition function of fire area, vertical steel fire shutter customization with electric opening and closing device, can realize automatic and linkage control and fire control.

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