Five precautions for family security door purchase

Anti-theft doors are inseparable from every family, so it is important to buy anti-theft doors naturally. A good security door is the protector of life and property.

Anti-theft doors have flat-open, push-pull, folding, fence and other structural forms, and the main use of the flat-open type. The family pays special attention to the five factors of anti-theft performance and quality when purchasing:

1. Certificate of conformity: There must be a test certificate issued by a statutory testing agency, and a production permit for 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: The security of anti-theft doors is divided into A, B, and C3 levels. C-class anti-theft performance is the highest, B-class is second, A-class is the lowest, most of them are A-class on the market, and they are generally suitable for general families. Class A requirements: all steel, flat open and fully enclosed, under the mutual cooperation of ordinary mechanical hand tools and portable power tools, the weakest link can resist the abnormal opening time of 26%; 15 minutes, or should not be cut out A 615 square centimeter hole through the door.

3. Material: Stainless steel is more commonly used at present, beautiful, durable and anti-corrosion. There are two main points to see: â‘ The materials of stainless steel anti-theft doors that are currently popular are mainly grades 302 and 304; â‘¡The thickness of the steel plate is not less than 2cm. The thickness of the steel plate in front and back of the door is generally between 0.8cm and 1cm Skeleton and reinforcement board.

4. Locks: Qualified anti-theft doors generally use three-position locks or five-position locks. Not only the door lock is locked, but the upper and lower cross bars can be inserted into the lock to fix the door. Most doors are also embedded with rubber sealing strips on the door frame, so there is no harsh metal collision when closing the door.

5. Process quality: pay attention to see whether there are defects such as open welding, unwelded, missing welding, etc., and see if all joints such as door leaf and door frame are dense, whether the gap is uniform, whether it is flexible, and whether the paint plating is uniform, firm and smooth.

Finally, when buying, you should also pay attention to the "FAM" logo of the "anti-theft security door", the name of the company, and the implementation standards. Only the doors that meet the standards can be safe and reliable.