The main door control hardware includes: floor spring, door closer, door lock assembly, emergency door opening (escape) device, etc.

1. Ground spring

Installed under the swing door leaf, it can open the door in both single and double directions, usually using a device with a temperature of -15~40 ℃ and a combination of metal springs and hydraulic damping. The selection should be based on the width and weight of the door leaf, frequency of use, and other requirements.

2. Door closer

Installed on the upper part of the swing door leaf, a one-way door opening device usually used at a temperature of -15~40 ℃, including a combination of metal springs and hydraulic damping. The selection should be based on the width and weight of the door leaf, frequency of use, and other requirements.

3. Emergency door opening (escape) device

It is a special hardware device for Emergency evacuation, which is a kind of universal bolt with handrail used on the door. The bolt can be retracted by pushing or pressing the handrail.

Common hardware used for plastic, aluminum alloy and wood interior doors include: lifting Sliding door hardware system, interior swing down hardware system, sliding down hardware system, folding door hardware system, handle for transmission mechanism, transmission lock, hinge (hinge), multi-point lock, single point lock, pulley, door lock, etc.