How to choose a security door? If you choose a security door well, thieves will have to go around it.

1. Anti-theft door levels

·Today I will introduce you to some basic purchasing knowledge of anti-theft doors,

·First of all, anti-theft doors are divided into four categories A, B, C, and D correspond to the abbreviations of J, Y, B, and D.

·Class A security door has the highest safety factor.

Types of security doors

2. Security door grade mark

·If there is no steel seal, you cannot ask for it

·The gravure-printed words A, B, C, and D must be permanently fixed on the inside at the hinge 1.6 meters above the ground

·If this is an X-level security door

Class A security door

3. Security door body

·Then there is the security door body,

Take Class A anti-theft doors as an example,

·The thickness of the steel plate of the door body is more than 1 mm,

·The thickness of the steel plate of the door frame is at least 2 mm,

·There are reinforced steel bars and asbestos filling inside

4. Anti-theft door lock body

·The next is the heart of the anti-theft door – the lock

·The lock cylinder of a Class A anti-theft door is Class C or Super Class B,

·The key has multiple rows of grooves, pits, etc., and the anti-vandal time is more than half an hour ,

·Some can reachto 4 hours, or even longer

·Of course the popular password locks are also very good!

abc level lock

Smart lock

5. Anti-theft door lock point

·The last is the lock point,

·Class A anti-theft doors have at least 12 locking points,

·The best ones on the market can have 15-17 locking points, or even more

I am Xiao Geng, a designer with warmth!

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Security door level parameters

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