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Anonymous users2024-01-24The anti-theft door must be on the side of the hinge from the first hinge under the steel seal clear anti-theft level: A, B, C, D, the highest grade, and the others that do not have can be collectively referred to as the steel entrance door The market is as usual: stainless steel steel wooden door armored door copper door anti-copper door.
It is the difference between manufacturers and the difference in production technology and materials.
At the most basic, there are national standards for security doors. There is no standard steel door. The minimum standard of the anti-theft door is at least 6 lock points, many of the so-called anti-theft doors should be locked after all the lock points, in order to be called the anti-theft door, if there is no anti-lock, it is stolen, and it is not compensated. >>>More
The composite security door belongs to the entrance door, and the entrance door does not only refer to the security door.
The main function of the anti-theft door is that the anti-pry sealing performance is better, generally after the door is closed, the door can not be opened without a key, and the filler in the door panel is not a fireproof material. The security door must have the "FAM" mark and refer to the general technical specifications of the security door GB17565-1998. >>>More
Carefully inspect whether the lock adopts a special lock for anti-theft that has been tested and qualified by the public security department, and at the same time check whether the lock has an anti-drilling function. Now there are many multi-directional locks for anti-theft, and its advantage is that not only the door lock is locked, but also the upper and lower crossbars can be inserted and locked, which greatly increases the anti-pry performance of the door.