Anti-theft security door purchase knowledge
3 ways to correctly identify and purchase anti-theft security doors:
1. Visual inspection: The thickness of the steel plate of the anti-theft security door frame is more than two millimeters, the thickness of the door body is generally more than 20 centimeters, and several rectangular tube ribs are arranged in the door sandwich layer, and filled with foaming agent, rock wool and the like. . The anti-theft security door must be installed with anti-theft locks that have passed the type inspection of the Ministry of Public Security. There should also be reinforcement plates around the lock body to increase the anti-destructive strength. There are more single-layer steel doors in steel protective doors.
2. Touch by hand: The exterior of the anti-theft security door is generally painted and sprayed. The hand feels delicate and bright, and the weight is heavier, generally above 40 kg. The overall strength of the door body is high, and the sound of the "click" is made by hand tapping. The door body switch is flexible to open and close, and the rubber seal is embedded in the door frame. When the door is closed, no harsh metal collision sound is emitted, and the steel protective door is very There are few double-layer doors, and there are few reinforcing ribs in the door body sandwich. The overall strength of the door body is poor, the weight is light, and the hand is gently tapped, often making a loud noise.
3. Access to information: At the time of purchase, the operator may be required to issue an inspection report of the quality inspection agency authorized by the state, and check whether the specification and model of the product are consistent with the inspection report. The implementation standard of the security gate is the national standard GB17565·1998. General technical conditions for safety doors.
Flat Wire Conveyor Belts,Flat Conveyor Belts,Mesh Belt
Hengqu Metal Products Co., Ltd. , http://www.gzwiremesh.com