Consumers can buy security doors to judge from the following aspects door merits: rating according to the standards, security doors security level can be divided into A-, B-and C-class, anti-theft performance of which the highest C-, B-class Secondly, A-level minimum. We have seen in the building materials market, most of them are A-class security doors, more suitable for general home use.
Anti-theft lock
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Anti-theft door locks generally qualified by three-position lock, lock not locked into the upper and lower rails can be locked door to be fixed. Not have low-grade security door lock or optional three point locking mechanism. And, really good lock is not locking points as possible, 4 points and 10 locks, 20 lock point of fact, no essential difference. No matter how many locks, center on all cylinders, as long as the lock cylinder is broken, no amount of lock points are useless. In general there are four locking points is sufficient.
Process quality should pay special attention to check for welding defects, such as the open welding, not welding, weld, slag and so on. To see whether the door and door frame with dense, space is uniform, whether open and flexible, all joints are dense, paint plating is even and firm, smooth and so on. Also, the quality slightly better anti-theft doors are embedded in the door frame rubber seal, so that the door will not close the issue of piercing sound of metal crash.
Real security doors must be approved by the statutory standards for testing under the qualified testing organizations, and has manufacturing enterprises at the provincial Public Security Bureau (Bureau) Security and Protection, issued the Security and Protection Products Approval Certificates. Purchase consideration should pay attention to anti-theft door "FAM" logo, business name, the implementation of content standards, meet the standards can be both safe and reliable door.
The full name of security doors are "anti-theft security door," according to China's Ministry of Public Security established in 1992, public safety industry standard "anti-theft security door general technical conditions" GA25-92 requirements, security doors must be audited by qualified testing agency, according to standard testing, manufacturers access to the provincial Public Security Department (Office) Security and Protection, issued the Security and Protection Products Approval Certificates for products manufactured after. Safety Doors security door and the basic concept is the same, is in a certain period of time can turn against certain abnormal conditions, with special locks and security devices in doors.
"Anti-theft security doors GM technology" provides a qualified anti-theft door within 15 minutes, criminals use a chisel, screwdriver, crowbar and other common hand tools and portable electric hand drill and other tools can not be forced open or the fan out of a 615 square centimeters openings, or 150 millimeters square lock point within the open semi-circular opening in a 38 square centimeters. And anti-theft door locks to be used by the Ministry of Public Security Test Center of qualified anti-theft feature with anti-drill door locks. Security doors can be made from different materials, but only up to standard detection are qualified to receive Security and Protection Products Approval Certificates of doors can be called anti-theft door.
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