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First, the purchase points of anti-theft door
1. The thicker the steel plate of the door frame, the better. The security standard of the anti-theft door is divided into four levels: "A", "B", "C", and "D". A is the highest level, and it decreases in order, respectively. "J", "Y", "B" and "D" indicate that the thickness of the steel plate of the door frame corresponds to 2mm, 2mm, 1.8mm and 1.5mm, respectively.
Because it is difficult to see the skeleton of the anti-theft door, the owner can refer to the product section (profile) provided by the dealer, and can also judge from the weight. In general, the heavier the weight, the denser the steel skeleton inside, the stronger and safer the door.
2. B-level lock core is the best choice. Anti-theft locks are classified into A, B and super B / C grades according to the security level. A-level anti-theft is the lowest. There is only a bullet slot on the key. The most common A-level key has a word / cross key . The China Consumers Association recently warned that the anti-theft door A-level lock can be opened in tens of seconds or even a few seconds, and it is recommended that consumers purchase a more secure B-level lock core for the anti-theft door.
The anti-theft special lock used in the anti-theft door shall be tested and qualified by the public security department. The lock shall be protected by a steel plate with a thickness of 3.0 mm or more. The effective length of the main lock tongue shall not be less than 16 mm, and a lock stop device shall be designed. , It is a substandard and inferior product.
3. Copper anti-theft door is best purely in terms of material, the performance of copper anti-theft door is the best, anti-pry fireproof and dustproof is outstanding, composite material anti-theft door has strong aesthetics and moldability, and steel is the cheapest. Stainless steel anti-theft door has better security.
There should be several reinforced steel bars in the anti-theft door, so that the front and rear panels of the door body are organically connected. The interlayer should preferably have asbestos as a filler, or other similar materials with fire protection, heat insulation and sound insulation functions.
4. Choose aluminum alloy material for the handle. Compared with other materials, the aluminum alloy material is not easy to deform and fade, the appearance is good gloss, more durable, and the stability is good. At the same time, it can be transformed into different shapes to increase the security in the security door.
2. Inspection of safety performance
1. The anti-theft door has a permanent fixed mark. The formal anti-theft door should have a permanent fixed mark. The product certificate has the word FAM on behalf of the anti-theft door. The anti-theft security level mark is permanently fixed at the upper corner of the inner hinge, 1600mm ± 100mm above the ground On the basis of this, the authenticity of the security door can be identified.
2. The size and appearance meet the space requirements. The anti-theft door must pass the quality, and the size and appearance must also meet the needs of the home. Do n’t forget the importance of matching the size space with the space when purchasing. There are four types of general anti-theft doors, with heights of 2050mm and 1970mm and widths of 860mm and 960mm, which can be combined with each other. When purchasing, consider leaving a margin of about 20mm to facilitate installation and adjustment.
Third, pay attention to several major misunderstandings
1. Metal door ≠anti-theft door When buying, we must distinguish the difference between anti-theft security door and metal door (door entry, steel door, etc.). Do n’t trust the salesperson ’s publicity. When ordering, the operator should indicate the anti-theft door in the product name column. To prevent unscrupulous operators from selling "steel doors", "entry doors", "protective doors", "anti-pry doors", and "armored doors" as impersonal anti-theft doors.
2. The thicker the door ≠the better the anti-theft, fat is not necessarily healthy, the thickness of the door is not necessarily good for theft, and some very thick doors are very light when opened and closed, and they are vulnerable to a hit. And the weight of the door. If the flower shape on the door is deep and there are no wrinkles at the corners, it means that the steel plate is quite thick and the plate stretch is good.
3. Anti-theft door has paper ≠poor quality. The interlayer filler of some anti-theft door products is filled with honeycomb paper. Its use can play the role of smoothing the surface of the door leaf.
4. The complexity of the door lock ≠the risk of damage. Some people think that the complexity of the door lock is too high, and the risk of damage is greater, and the repair process will be more cumbersome. But there is no doubt that the higher the level of the lock, the higher the anti-theft coefficient. The best anti-theft door lock is a super B-level lock. Even if it is professionally unlocked, it will take at least 4 hours to open.
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The main points of anti-theft door purchase and analysis of common misunderstandings
The Spring Festival curtain has been opened this year, and it is the peak of people ’s travel during the Chinese New Year, which leads to frequent thefts. The security of home security is mainly based on the security performance of anti-theft doors, which is related to family property and personal safety. We can only buy safe anti-theft doors with performance selection skills. The article analyzes the main points of purchase and several major misunderstandings.