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First of all, compare the materials used. The fire door has a simple structure and is mainly composed of four parts: the door closer, the material of the door panel (there are 06 and 08, etc.), the do

Wooden fire doors are made of fire-resistant wood or fire-resistant wood products as door frames, door leaf skeletons, door leaf panels. The door with certain fire resistance. The overlapping size of

The fire door has the characteristics of smooth surface, beautiful appearance, flexible opening, sturdy and durable, easy to use, safe and reliable. There are various specifications of fire doors. In

difference: Emergency and statistical functions, the system can automatically display the physical location of the designated cardholder on the computer, which is convenient for timely contact. In the

This standard specifies the product classification, specifications and dimensions, technical requirements, test methods, inspection rules, marking packaging, transportation and storage of wooden therm

The difference between the security door and the fire door is that the main function of the security door is that the anti-prying and sealing performance is better. Generally, the door cannot be opene

Insulated fire doors (class A) fully insulated doorsets A fire door that can meet both fire integrity and thermal insulation requirements within the specified time. Partially insulated fire doors (Typ

There are electronic fire doors, built-in fire door closers, multi-function fire doors, etc.; According to the open state, it is divided into normally closed fire doors and normally open fire doors. N

There are many types of fire doors. Fire doors are classified by material There are wooden fire doors, steel fire doors, steel wood fire doors, other fire doors, etc.; wooden fire door fire resistant

Fire doors are generally located in the following parts. (1) Close the evacuation stairs, leading to the aisle; close the elevator room, leading to the front room and the door leading to the aisle fro

A fire door is a door that can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. It is a fire partition with certain fire resistance