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Into the door more and more universal security is becoming increasingly important
Into the door more and more universal security is becoming increasingly important.
Qualified door into households generally use by the public security department inspection of qualified anti-theft special lock, at the same time, in the lock at should be 3.0mm thickness steel plate protection. Now special anti-theft lock with multiple range locks, the utility model has the advantages of is not only door lock locking bar can be inserted into the lock, the door can be fixed. Greatly increased the anti skid performance of the door. The State Ministry of Public Security issued the "GA/T73 - 94 mechanical anti-theft lock" in the clear provisions of the mechanical theft door locks are divided into ordinary protection level and senior level, in order to class A and B class to express.
Lock A-level lock is to prevent destructive open time of not less than 15 minutes, and prevent technical open time of not less than 1 minute of the lock, the class B lock is to prevent destructive open time of not less than 30 minutes, prevent technical open time of not less than 5 minutes (anti technology open is the ability to resistance locks professional and technical people use special tools use operating practices open the lock). And in the same situation, the safety performance of the B level of anti-theft lock is 5 times the level lock.