Anti-theft door purchase principle

When purchasing, it can be determined according to personal preference and economic conditions. Specific consumers should pay attention to the following points when purchasing anti-theft doors:

(1) Consumers should choose the appropriate anti-theft security door according to the actual requirements of the door opening size, opening direction, color pattern and so on.

(2) The anti-vandal function is the most important function of the anti-theft security door. When purchasing, the seller can be required to show the test certificate of the relevant department. The product quality should meet the technical requirements of the national standard GB17565-2007 "General Technical Conditions for Anti-theft Security Doors".

(3) The thickness of the steel plate of the qualified anti-theft security door frame should be more than 2mm, and the thickness of the door body should be more than 20mm. Check the internal structure of the door body, the thickness of the steel plate of the door body should be more than 0.5mm, and there are several reinforcing steel skeletons inside, so that the front and rear panels of the door body are organically connected together, and the overall strength of the door body is enhanced. Paper filler, with thermal insulation and sound insulation functions. Among them, the fire door should be filled with asbestos (fireproof cotton) and other materials with fireproof function as fillers. Knock on the door body by hand to make a "dongdong" sound, and consumers should be flexible to open and close the door by hand. The door-to-door network reminds consumers that the production of fire doors should have the qualification certificate issued by the state for the production of fire doors.

(4) Check the quality of the process: Special attention should be paid to checking whether there are welding defects, such as open welding, incomplete welding, and missing welding. Check whether the door leaf and the door frame are tightly matched, whether the gap is uniform, whether the opening is flexible, whether all joints are tight, the surface of the door panel should be treated with anti-corrosion, generally spray paint and plastic spray, the surface of the paint layer should be free of air bubbles, uniform in color and large in size. Most doors also have rubber weatherstrips embedded in the door frames, which don't make a harsh metal bump when the door is closed.

(5) Lock inspection: Qualified anti-theft doors generally use special anti-theft locks that have been tested by the public security department. At the same time, there should be a steel plate with a thickness of more than 3.0mm for protection at the lock. Many anti-theft special locks are multi-directional locks. The advantage is that not only the door lock is locked, but the upper and lower cross bars can be inserted and locked to fix the door. Greatly increases the anti-prying performance of the door. According to the "GA/T73-94 Mechanical Anti-theft Locks" issued by the Ministry of Public Security of the People's Republic of China, it is clearly stipulated that mechanical anti-theft door locks are divided into ordinary protection levels and advanced levels, which are represented by A and B levels. Class A locks refer to locks with an anti-destructive opening time of not less than 15 minutes and an anti-technical opening time of not less than 1 minute. Class B locks refer to locks with an anti-destructive opening time of not less than 30 minutes and anti-technical opening times of not less than 1 minute. Locks within 5 minutes (anti-technical opening refers to the ability to resist the ability of professional lock technicians to use special tools to open the lock by operating methods). And under the same circumstances, the security performance of B-class anti-theft locks is 5 times that of A-class locks. High-quality anti-theft door brands will also use super B-level locks.

(6) Brand Assurance: Brand is the symbol of product quality and service. Brands mainly refer to product brands and dealer brands. When buying anti-theft doors in the market, it is best to buy them in a regular large-scale home building materials city. When purchasing, you should also pay attention to the "FAM" logo, company name, and implementation standards of the anti-theft door. Only doors that meet the standards can be safe and reliable.

(7) After installing the anti-theft door, the user must first check whether the accessories and materials such as the key, insurance policy, invoice and after-sales service list are consistent with the accessories and information provided by the anti-theft door manufacturer, and there must be no shortage of keys. When using the key to open the lock that has been installed on the door body, the lock cylinder should be easy and flexible, and there should be no jamming phenomenon; during the process of opening the door 90 degrees, it should be flexible and free, without jamming, abnormal noise, etc.

Consumer Protection Committee reminds: when consumers buy anti-theft doors, they should learn more about them, choose well-known brands with strength and excellent product quality, and check the product inspection report provided by the operator; when ordering, they must indicate "anti-theft (anti-theft (anti-theft) To prevent counterfeiting; carefully check the appearance of the anti-theft door during installation, tear off the protective film for a comprehensive inspection if necessary, and ask for warranty cards, invoices and other documents, so that problems can be protected in time in the future. Relevant administrative law enforcement departments should also increase supervision, and strive to curb the flooding of the market with inferior security doors from the source. Vigorously publicize and implement new security standards for anti-theft doors, improve the quality of enterprise after-sales service, and provide consumers with a harmonious, safe and secure consumption environment.