How to buy security door? What's the skill of choosing security door? Zoucheng home and lock for you to introduce anti-theft door purchasing skills. Five main inspection items for the purchase of anti-theft door: Certificate: the real anti-theft door must pass the inspection by the legal testing agency according to the standard, and have the production certificate of safety technology prevention product issued by the provincial public security department (bureau) of the production enterprise. Security level: according to relevant standards, the security level of anti-theft doors can be divided into class A, class B and class C, of which class C has the highest anti-theft performance, class B is the second, and class A is the lowest. Most of the anti-theft doors we see in the building materials market are class a, which are generally suitable for general family use. The lock is firm: the qualified anti-theft door generally adopts three-way lock or five-way lock. Not only the lock is locked, but the upper and lower crossbars can be inserted and locked to fix the door. Most doors are also embedded with rubber sealing strips on the door frame, which will not make a harsh metal collision sound when closing the door. Process quality: special attention shall be paid to check whether there are welding defects, such as open welding, lack of welding, etc. Check whether the fit of door leaf and door frame is dense, whether the gap is uniform, whether the opening is flexible, whether all joints are dense, whether the paint plating is uniform, firm and smooth, etc. Brand assurance: brand is the symbol of product quality and service, and mainly refers to product brand and dealer brand. In the market to buy anti-theft doors, the best to the formal large-scale home building materials city to buy. At the time of purchase, we should also pay attention to the 'fam' sign of the anti-theft door, such as the executive standard of the name of the enterprise. Only the door that meets the standard can be safe and reliable. Experts teach you to buy a security door with a reliable quality security door means that home safety has been guaranteed. The main function of the security door is security, followed by decoration and beautification. When purchasing, we should focus on the inspection of the performance and quality of anti-theft cases. Distinguish security doors: in addition to security doors in the market, there are steel entry doors, security doors, security doors, armored doors, etc. the so-called real security doors must pass the inspection of legal testing institutions. The only security door standard in China is GB17565-1998 general technical conditions for security doors formulated by the Ministry of public security in 1998. It is clearly pointed out that one of the main standards of security doors is the improper security doors The regular opening time is 15 minutes, that is to say, the door can not be opened by using common tools such as chisel, screwdriver, crowbar and portable electric tools such as electric hand drill within 15 minutes, which is the real material & quot; anti theft door & quot;, while the standard of the door is the abnormal opening time of 5 minutes. In addition, another standard of the anti-theft door is the door thickness & gt; = 0.8mm, the door frame iron thickness & gt; =1.5mm。 2 anti theft lock: the anti-theft lock is the most important part for the door. The performance of the anti-theft lock is directly related to the safety of the door. When purchasing the anti-theft door, the most important thing is to see the reputation of the lock manufacturer, and the product must be certified by the national designated authority. The anti-theft lock shall have the function of anti drilling, anti sawing, anti prying, anti pulling, anti impact and anti technology opening. The locks used in the anti-theft door are divided into single point lock and multi-point lock. The so-called single point lock refers to the lock that locks the door through the lock point of the lock itself. Multi point lock refers to driving auxiliary lock at the same time to form multiple lock points, which are distributed around the door frame to enhance anti prying performance. The certificate of conformity must have the certificate of conformity issued by the legal inspection institution, and the certificate of production of safety technology prevention products issued by the safety technology Prevention Department of the provincial public security department (bureau) where the production enterprise is located. 2. Security level security of anti-theft door is divided into Abc3 level. Class C anti-theft performance is the highest, class B is the second, class A is the lowest, most of them are class A on the market, generally applicable to ordinary families. A to more A-level, generally applicable to the general family. Class a requirements: all steel flat open and closed type. Under the interaction of common mechanical hand tools and portable electric tools, the weakest link can resist the abnormal opening with a net time of ≥ 15 minutes, or it should not cut a 615 square centimeter hole through the door body. 3. Stainless steel is widely used at present, which is beautiful, durable and rustproof. The main points are as follows: ① the most popular stainless steel anti-theft door material is brand 302304; ② the thickness of steel plate is not less than 2cm, the thickness of steel plate at the front and back of the door leaf is generally between 0.8cm and 1cm, and the inside of the door leaf is equipped with framework and reinforcing plate. 4. The anti-theft door with qualified locks generally adopts three-way locks or five-way locks, which not only lock the door, but also insert and lock the upper and lower crossbars to fix the door. Most doors are also embedded with rubber sealing strips on the door frame, which will not make a harsh metal collision sound when closing the door. 5. Pay attention to the process quality to see whether there are defects such as open welding, lack of welding, etc., whether all joints such as door leaf and door frame are dense, whether the gap is uniform and consistent, whether the opening is flexible, whether the paint plating is uniform, firm and smooth, etc. Finally, when purchasing, we should pay attention to the 'fam' sign of 'anti-theft security door', such as the executive standard of enterprise name, etc. only the door that meets the standard can be safe and reliable. How to choose the anti-theft door correctly for the current consumers, the anti-theft door products in the market are various in types, styles and quality. It is difficult to really buy the anti-theft door products with reasonable cost performance! Home network believes that when buying anti-theft door products, consumers can decide according to their personal preferences and economic conditions. In the purchase process, consumers can refer to the following purchase
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