Fire door is to point to in a certain period of time that can meet the requirements of insulating refractory stability, integrity, and stays the door. In fire, evacuation stair between partitions, such as vertical shaft with a range of fire resistance of fire separation. Fire doors, besides have the function of the ordinary door has to stop the spread of fire spread and smoke, ensure the evacuation.

In case a fire occurs in a closed type fire door is often used to isolate the elevator or corridor of the flame, prevent the fire from spreading and toxic gas diffusion, protect people smooth evacuation escape. Often shut down automatically, and flame retardant materials. Characteristic is not locked at ordinary times, is advantageous to the evacuation direction (i.e., outward).

Fire shutter is a kind of suitable for building large holes in fire prevention, insulation facilities, products have played a role on the design and installation technology. Fire shutter is widely used in industrial and civil building fire partition area, can effectively stop the fire spreading, when the fire, smoke sensor installed on the roof (smoke) first received smoke signals, at the same time report to the central control system, fire control central control system by identifying fire shutter on fire area after the power and make the fire area of fire shutter downward at a certain rate. When the shutter down to about 1.5 meters from the ground position, stop the downward, to facilitate the evacuation and evacuation of personnel. Fire shutter in the middle for a certain time, then continue downward, until closed. Fire shutter and downward speed of middle residence time can be adjusted during installation. In the case of a power outage, only by pulling the chain will fire shutter down. Fire shutter is equipped with manual, only one-way down, cannot ascend.

Isolation door (air-defense) is the government mobilizes and organizes the masses, take air defense and disaster relief measures, implementation of the rescue operation, preventing or minimizing damage caused by disasters. Civil air defense door belongs to civil defense protective equipment, the protection engineering of inward and outward door called civil air defense.

Escape door is also called the security access door is only used for evacuation during a fire doors, do not have flame retardant properties, does not require the normally closed, characteristic is not locked at ordinary times, is advantageous to the evacuation direction (i.e., outward).

Beijing branch into the dragon control system co., LTD is specialized in high-tech product development, production and sales and service of high-tech enterprises, is China's security product industry association, deputy director of the unit, vice President of China association of fire units, China fire protection association director unit, passed the ISO9001 quality management system certification unit, a number of national and local relevant technical specifications and product standard of the ginseng units.

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