Hinge is the Load-bearing accessory, most used model is butt hinge, you can see all detailed info about butt hinge in this article. What is
Overview The complete door lock system consists of mortise lock case, cylinder, level handle. The cylinder is the most important part for ensure the security.
Fire doors and related hardware control the fire at the initial stage. If it cannot be controlled, it will prevent the spread of fireworks. Finally, it will also protect the evacuation channel and allow people more time to evacuate.
Code of practice hardware for fire and escape doors in U.K AND European fire door standard EN1634
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