What is the difference between the square bar inside the double live handle of the anti theft door a

The handle is a square through both sides of the handle, the single-live handle has a card slot, one end is long, one end is short, the main handle is short, so that it will not fall off.

Equipped with an anti-theft lock, it can resist abnormal opening under certain conditions within a certain period of time, and has a certain safety protection performance and meets the corresponding anti-theft security level.

The full name of the security door"Anti-theft security door"。It combines anti-theft and security performance. According to the provisions of the "General Technical Conditions for Anti-theft Security Doors", qualified anti-theft doors cannot be pried open within 15 minutes by using ordinary hand tools such as chisels, screwdrivers, crowbars and portable power tools such as hand drills, or open an opening of 615 square millimeters on the door leaf, or open an opening of 38 square millimeters in a semicircle of 150 square millimeters of locking points.

And the locks used on the anti-theft door must be a special lock for the anti-theft door with anti-drilling function that has been tested and qualified by the testing center of the Ministry of Public Security. The anti-theft door can be made of different materials, but only the door that meets the standard test and receives the safety product production certificate can be called an anti-theft door.

Installation points: 1. The installation of the anti-theft door should be in accordance with the type of anti-theft door adopted, and the appropriate security door installation method should be adopted.

2. The door frame of the anti-theft door can be fixed with the wall by expansion bolts, or the iron parts can be embedded at the hole when the wall is built, and the door frame connector can be welded firmly during installation.

3. No matter what kind of connection method is used between the door frame and the wall, there should be no less than 3 anchorage points on each side, and they should be firmly connected.

4. When installing the anti-theft door, it should be straightened and hung first, and it should be temporarily fixed after the size is appropriate, and corrected and adjusted.

5. It is required that the sliding door is flexible after installation; The swing door is easy to open, close tightly and firmly, and there is no self-opening and self-closing.

6. Anti-theft devices should be installed between the door frame and the door leaf or other parts.

7. The hardware accessories such as handles, door locks, and observation holes on the anti-theft door must be complete; The combination lock, electronic alarm password system, doorbell paging and other devices on the multi-functional anti-theft door must be effectively improved.

8. The gap between the requirement and the ground plane should not be greater than 5mm.