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According to the anti-theft security level is divided into 4 levels, respectively, A, B, C, D four levels from high to low, decreasing in turn.
Step 1: Appearance
(1) The surface of the door frame and door fan components should be smooth and clean, without obvious dents and mechanical damage.
(2) The nameplate logo should be correct, firm and clear.
(3) The anti-theft security door should have a permanent anti-theft security level mark.
(4) The anti-theft security level mark consists of its Chinese code name and a plane circle, and the Chinese code name should be located in a plane circle with a diameter of Φ25mm.
(5) In the form of typeface gravure permanently fixed on the inside hinge side Angle, from the ground height of 1600mm±100mm position.
2.Plates and materials
(1) The material of the plate can be steel, stainless steel, steel/wood, copper or other composite materials.
(2) Steel sheet thickness
a) Door frame according to anti-theft security level B, C, D should be selected 2.00mm, 1.80mm, 1.50mm.
b) The thickness of the outer panel and inner panel of the door is expressed in the form of “outer panel/inner panel”, and 1.00mm/1.00mm, 0.80mm/0.80mm, 0.80mm/0.60mm should be selected according to the B, C and D levels of anti-theft security, respectively.
c) The thickness of the plate of the Class A anti-theft security door shall be selected according to the product design under the condition of meeting its anti-damage performance. If the steel plate is selected, its thickness should not be lower than the thickness and allowable deviation requirements of Class B anti-theft security level door frame and door fan.
Unqualified security doors, as the name suggests, can not meet the national standard security doors. Unqualified security doors in the market variety, as long as consumers maintain a calm state of mind. Don’t be tempted by low price doors. Basically, you will not buy unqualified security doors.