The lock cylinder is an important part of the lock, and it is the main part that controls the unlocking of the lock. The lock core and the key can rotate and drive the core of the lock bolt. The main function of the lock cylinder is to twist the square tongue of the mortise lock, starting the inclin
The design of the mortise lock is very popular. It is a commonly used lock and is often used in commercial applications. They are sturdy and reliable, with diversified structures, and have withstood the test of time. In fact, these mortises can resist bad weather and use for decades in old houses an
When used in a fire-resisting door assembly, the door leaf should be hung on single-axis hinges in accordance with local and national regulations. Hinges fitted to fire-resisting doors should be able to achieve the intended fire rating; also the hinge should be able to allow the door closing device,
A rising hinge is an awkward type of hinge that enables the door to rise up slightly from the ground when the door is first opened. This has the advantage of helping the door to seal against unwanted noise or movement once the door has been opened.
When use in a fire-resisting door assembly, the door leaf should be hung on single-axis hinges in accordance with local and national regulations. The hinge installed on the fire door should be able to achieve the expected fire rating, and when installed on the fire door, the hinge should enable the
The National Fire Protection Association (NFPA) publication number 80, Standard for Fire Doors and Windows establishes the hardware requirements for fire-rated openings with builders'hardware. All hardware installed on fire-rated openings must be listed for use on fire-rated openings.Hinges or pivot
Door hardware has a very important position in the modern complex function architectural building project. Firstly,door hinge for door system. What should we pay attention to when installing hinges?1. Understand the structure of the hingeStainless steel hinge is the most popular type of hinge on the
The Cross Bar Panic Exit Device is designed to provide a compact, lightweight, easy to use product for residential or commercial applications where one might need an exit ramp or other barrier to protect their lives. It is an easy to install barrier that will meet or exceed federal standards for current building codes.
The Cross Bar Panic Exit Device is designed to provide a compact, lightweight, easy to use product for residential or commercial applications where one might need an exit ramp or other barrier to protect their lives. It is an easy to install barrier that will meet or exceed federal standards for current building codes.