-
Anonymous users2024-01-23The security door is divided into four security levels: A, B, C, and D, and the codes are J, Y, B, D. Grade A is the highest, decreasing in order. The four levels of the anti-theft door mainly determine the impact resistance from the thickness of the anti-theft door.
The thickness of the cold-rolled steel plate of the door frame: A, B, C and D grades are 2 mm, 2 1 8 mm, 1 8 1 5 mm and 1 5 mm respectively. Thickness of the outer panel of the door leaf:
Grades A, B, C, D are 1 mm, 1 mm, 0 8 mm and 0 8 mm, respectively. The thickness of the inner plate of the door leaf: A, B, C and D are 1 mm, 1 0 8 mm, 0 8 mm and 0 6 mm respectively.
-
Anonymous users2024-01-22A to D is the order from highest to lowest.
Some. Grade standard: The security level of the anti-theft door can be divided into Class A, Class B and Class C and Class D, among which Class A has the highest anti-theft performance, Class B and Class C are second, and Class D is the lowest. >>>More
Disassemble the two screws on the panel Remove the screws fixed by the lock cylinder and replace them with new lock cylinders Try to open it or not Install the screws according to the method of removing it OK When trying it out, don't close the door Otherwise, if the door is closed, it won't be opened.
Go to the security door section of the decoration market, and the general estimate is that you can buy it for 800.
My friend works in Yongkang Wangli Door Industry, I am more familiar with it, if you want to ask the model, there are more, you want the national standard 2050 * 950 2050 * 860 1970 * 950 * 1970 * 860 is the most common! Non-standard, that is, what specifications and sizes you want to set! The price depends on the configuration, the national standard is better than a thousand, you have specific specifications I can give you a specific answer, I hope you can be satisfied with my answer?
There are many styles of anti-theft doors, each style has the advantages of each style, generally speaking, it is better to have a better anti-theft door, Wangli anti-theft door occupies a relatively large share in the market, Wangli anti-theft door adopts a solid wood process style, and according to the test, the lock cylinder of Wangli anti-theft door is specific, if there is no key, professional lock-opening personnel can not open it for three hours.