How to distinguish between a Class A security door and a Class D security door?

1. Tips for identifying Class A security doors.

1. According to national regulations, the thickness of the steel plate used in the anti-theft door should reach 1mm. However, in order to reduce costs, some businesses use only the thickness of steel plates. The anti-theft effect of steel plates of this thickness is basically zero.

When you buy a class A security door, you can press the steel plate in the door, if the steel plate is pressed down, it means that the quality of this security door is very poor.

2. The material used for the quality of the Class A anti-theft door is stainless steel, but some unscrupulous merchants use stainless steel in order to increase profits. The way to tell if the stepping down is stainless steel is very simple, just put the magnet on top of the stepping stone, if the magnet is sucked and difficult to take off, it means that the material used in the stepping is not stainless steel.

3. Most of the qualified Class A anti-theft door locks are used in three directions, but some poor quality Class A security doors do not have the function of three-point locking, and the number of locking points between the door leaf and the door frame of Class A anti-theft doors cannot be less than 12, and some inferior anti-theft door locking points are only 4.

2. How to distinguish between Class A security door and Class D security door.

1. The thickness of the plate used in the anti-theft door determines whether its impact resistance is strong or weak, the thickness of the plate of the Grade A anti-theft door is 2mm, the thickness of the outer plate of the door leaf is 1mm, the thickness of the inner plate of the door leaf is 1mm, and the thickness of the plate of the Class D anti-theft door is. The thickness of the inner and outer panels of the inner leaf is, and the thickness of the inner plate of the door leaf is.

2. In accordance with the relevant regulations of the state on the production of anti-theft doors, the worst filling of the anti-theft door should be made of honeycomb, and the filler used in each brand of Class A anti-theft door is different, most of them use aluminum foil and aluminum silicate rock wool (fireproof cotton, because aluminum foil is lightweight, non-toxic and tasteless, and also has good thermal conductivity, aluminum silicate rock wool (fireproof cotton fireproof and sound insulation function is very good. The padding used in the Class D security door is honeycomb paper, which has a poor effect of heat and sound insulation.

3. The lock is a very important component for the anti-theft door, the anti-theft lock level used in the Class A anti-theft door is Class B, this level of lock has a high-level protection function, and the anti-theft lock level of the Class D anti-theft door is Class A, and the protection effect is very general.

The thickness of the steel plate of the Class A anti-theft door is 1mm, the stepping material is stainless steel, the anti-theft lock level is Class B, the thickness of the Class D anti-theft door plate is Class A, and the anti-theft lock level is Class A, so when purchasing, it is necessary to see whether the anti-theft door meets the safety production standards.

The thickness of the plate of the Class A anti-theft door is relatively thick, and the heat insulation and sound insulation are also relatively strong, and the function of the anti-theft lock is also very strong.

If you want to see the quality of the anti-theft door, you should look at what the door lock is, then look at the horizontal door lock is several rows, and finally look at the composition and components of the anti-theft device inside, through this way, you can see the difference between the Class A anti-theft door and the top anti-theft door.