Fire shutter doors

Fire doors are a new type of door that has been developed to meet the requirements of building fire protection. After the fire door is equipped with fire-proof devices such as smoke, light, temperature alarm and spray, it can automatically alarm, automatically close and automatically extinguish the fire to prevent the fire from spreading. Therefore, fire doors have been widely used in unitized residential high-rise residential areas, fire-proof partitions of high-rise buildings, stairwells and elevators. There are many classification methods for fire doors, mainly according to different classifications of fire resistance limits, classification according to different materials of doors, and classification according to the structure of doors. Two-track super fire shutter is my factory to meet the requirements of customers reference GB50045 "fire protection design of tall buildings" requirements, without water curtain to protect the design and development of fire shutter doors, aluminum inside this product mat reinforced cell The thermal effect is provided with reinforcing ribs at the outer interval, and a certain air layer is left at two intervals. The transmission mechanism uses a roller blind to classify and drive two roller blind shafts. The two reel shafts are each wound with a pair of roller blinds and each is equipped with a guide shaft. The roller blind has the functions of hand electric control, remote control, obstacle protection, automatic lowering, etc. It is suitable for industrial and civil building indoors to replace the firewall to complete the fire separation, and can also be used as a general fire shutter.

Features:

• The average face weight of the entire curtain is only 16KG, which is only one-half to one-third of the steel roller blinds. The corresponding transmission system is also much lighter, which makes it possible to complete the fire separation of the large hole.

· Achieve the performance of the firewall specified in GB9928-1999 "Test Methods for Fire Resistance of Building Components", which can eliminate water curtain protection.

· The color of the decorative cloth is optional, which provides convenience for the user to match the product with the environment.

· Safe and reliable operation.

·The opening and closing operation is stable and the noise is low.

• The required energy consumption is low.

· Convenient for construction.

·Technical performance:

Refractory time: the fire endurance is greater than 495.3 °C, and the average backfire surface temperature is 73.1 °C;

Wind pressure resistance meets the requirements of GB14102-93;

Opening and closing speed 2-9M/S;

The opening and closing method is the same as that of the steel fire shutter.

Standard color: (blue) RAL 5002.

Safety: in line with national standards.

Optional equipment:

Other colors can be customized;

Fire lock (brand);

Door closer (brand).