1. Category of useOne category is identified. Grade 1: For use by people with a high incentive to exercise care and with a small chance of mis-use. 2. DurabilityThree grades are identified according to the number of test cycles achieved. Grade 4 : 25 000 Cycles Grade 5 : 50 000 Cycles Grade 6 : 100

BS EN 1154:1997 -The European standard for the performance of controlled door closing devices. Introduce in detail the product type, usage classification, test period, test period, door quality, corrosion resistance, as well as product definition, product performance requirements, test instruments,

The fire door can meet the requirements of fire stability, integrity and heat insulation within a certain period of time.There are four main uses of fire doors:1. Used as a regular door at any time;2. Provide emergency exits in the event of a fire;3. Prevent the fire from spreading in the building;4

Interior doors are ubiquitous in our daily life. They are often used as building materials, so the hardware of the door must pass the quality inspection strictly. Consumers should pay more attention to the concept of green and environmental protection, so many people choose and buy aluminum alloy in

The mortise lock is one of the components of the door lock. The mortise lock is generally used on the security door and is responsible for the security function of the door. There are many kinds of locks. There are three kinds of common mortise locks: European mortise locks, American mortice locks,

A PlainJoint Door Hinge is a type of hinged door that is made of either wood or metal and has a flat surface on the interior and one large flat surface on the exterior. They are popular because they offer a quick and easy installation and do not require any sort of cutting or drilling, so the entire process can be done by just one person.

Fire rated hardware is the core of fire rated doors. The hinge plays an extremely important role in the door suspension system, ensuring the normal opening and closing of the door. At the same time, hinges also play an important role in life, such as hinges used on fire doors. What happens if fire d

The fire-rated door hinge ensures that your property is sufficiently protected in case of a fire. It provides protection from smoke inhalation and sparks that are emitted during a fire. It also provides protection against gas fumes released during combustion and carbon monoxide emissions, which pose serious threats in case of a fire.

After selecting the door, the next step is to determine the hardware used for the door. From the aspect of door handle, we should not only consider the style, but also ensure that the door handle matches the interior decoration. In the long run, users should also consider which material is the most

High Quality and Precision engineered from the highest grade stainless steel, the UL certification door hinging is specially designed for heavy-duty fire rated doors. It guarantees security for your home or business establishment against fire and safety hazards.