(1) Consumers should select the appropriate anti-theft security door according to the actual requirements such as the size of the door opening, the opening direction, and the color pattern.
(2) Anti-disruption function is the most important function of the anti-theft security door. Upon purchase, the seller can be required to present the relevant department's inspection certificate. 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 qualified anti-theft security door frames shall be 1.5mm or more, the thickness of the door body shall be generally 40mm or more, and the weight of the door body shall be checked. Generally, the weight of the door body shall be 40kg or more, and the cat's eye, doorbell box or lock handle may be removed. Inspect the internal structure of the door body. The thickness of the steel plate of the door body should be 0.5mm or more. There are several reinforcing steel skeletons in the door body, so that the front and rear panels of the door body are organically connected together to enhance the overall strength of the door body. The door generally has urethane or Honeycomb paper filler, with insulation and sound insulation. The fire doors should be filled with asbestos (fire-retardant cotton) and other materials that have fireproofing function as filling materials. When the hand knocks on the door body, a “click†noise will be heard. Consumers should flexibly open and close the doors by hand. The production of fire doors shall have a 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 for any welding defects such as open, unwelded, missing welds, etc. See if the cooperation of the door leaf and the door frame is dense, whether the gap is uniform, whether the opening is flexible, and whether all the joints are dense, the surface of the door panel should be treated with antiseptic treatment. Generally, the surface of the door panel should be painted and sprayed, and the surface of the paint layer should be free of bubbles, uniform in color and large in size. Most doors also have rubber seals embedded in the door frame, and no harsh metallic impact sound is emitted when the door is closed.
(5) Lock inspection: Qualified security doors generally use the special anti-theft locks that have been tested by the public security department. At the same time, steel plates with a thickness of 3.0 mm or more should be protected at the locks. Many anti-theft locks are multi-directional locks. The advantage is that not only the door lock is locked, but also the upper and lower cross bars can be inserted and locked to fix the door. Greatly increased the door's flood prevention performance. The "GA/T73-94 Mechanical Anti-theft Lock" issued by the Ministry of Public Security clearly stipulates that the mechanical thieves anti-theft door locks are divided into the general protection level and the high-level level, and they are expressed in A and B levels. A-level locks are locks with a non-destructive opening time of not less than 15 minutes and technical opening time of not less than 1 minute. B-level locks are those with a non-destructive opening time of not less than 30 minutes and technical opening times. In 5 minutes (anti-technical opening refers to the ability of professional technicians who use locks to use special tools to open the locks using operating methods). And in the same situation, the safety performance of Class B anti-theft lock is 5 times that of Class A lock. High-quality anti-theft door brand will also use Super B-level locks.
(6) Brand Guarantee: Brand is a sign of product quality and service. The brand mainly refers to the product brand and the dealer brand. When buying the security door in the market, it is best to purchase the large-scale home building materials city. When purchasing, you should also pay attention to the “FAM†logo, company name, and implementation standards of the security door. The doors that meet the standards can be safe and reliable.
(7) After installing the security door, the user must first check whether the key and the insurance policy, invoice and after-sales service order and other accessories and information are consistent with the accessories and materials provided by the security door manufacturer. When the lock that has been installed on the door body is opened with a key, the lock cylinder should be easy and flexible, and there should be no jamming; the door should be flexible and free from jams, abnormal sounds, etc. during the process of opening 90 degrees.
The Consumer Protection Committee reminds consumers that they should understand more when choosing an anti-theft door, select well-known brands that have strength and excellent product quality, and check the product inspection report provided by the operator; when ordering, they must indicate on the invoice “theft prevention ( The words "security door" are used to prevent counterfeiting; the appearance of the security door should be carefully checked during installation, and a full inspection of the protective film should be torn off if necessary, and documents such as warranty cards and invoices must be requested so that problems can arise in the future. The relevant administrative law enforcement agencies should also increase supervision and strive to contain the source of poor quality security doors. We vigorously promoted and promoted new security standards for security doors, improved the after-sales service quality of enterprises, and provided consumers with a harmonious, safe and secure consumer environment.
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