Fire resistance limit. The material of ordinary rolling shutter doors does not have too many requirements for fire resistance limit, and the material requirements for fire resistant rolling shutter must be the same as the fire resistance limit of the wall where it is installed. The fireproof rolling shutter installed in the atrium must also meet the hardness requirement of a fire resistance of 3.0 hours. Control and feedback. The control method of ordinary roller shutter doors can be manually or electrically controlled. The control method of the fireproof roller shutter needs to be linked with the automatic fire alarm system, which can automatically descend through the fire electrical signal. At the same time, it has a signal feedback function, and the landing signal can also be fed back to the fire control room. Set the size. There are relevant requirements for the size of fire resistant rolling shutters, and fire resistant rolling shutters set in different places are not arbitrarily sized and need to meet relevant requirements.
The basic requirement for fire resistant rolling shutters is their fire resistance function, including fire resistance integrity and fire insulation. There are special national standard requirements for electrical and accessories, such as fire resistant motors for motors; Ordinary roller shutter doors do not have so many requirements, they can be electrically or manually operated.
1. From the outside, there is basically no difference between ordinary fast rolling shutter doors and fire resistant rolling shutter doors, and their appearance is basically the same.
2. There are two types of ordinary fast rolling shutter doors: manual and motor controlled, while fire resistant rolling shutter doors are mainly motor controlled.
3. The ordinary fast rolling shutter motor is ordinary, while the fire resistant rolling shutter door motor is a fire resistant motor.
4. Importantly, ordinary fast rolling shutter door curtains are made of PVC, while the interior of the fireproof rolling shutter door curtains is filled with flame-retardant and heat-insulating fireproof materials.
5. Ordinary fast rolling shutter is a separate physical or motor switch, while fire resistant rolling shutter doors can be connected to the fire control center of the entire building.
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