In European Standard:Spring hinge, whether single or double action, embody a spring for the storage of energy but do not have a system for controlling and regulating the closing function. They provide their lowest closing power at, or near, the door closed position and, therefore, on latched doors,

Door hinge is the most common door accessory device, which connects the door frame to the door leaf and allows rotation between the two. The hinge can bear the weight of the door without causing the door to sag, and can make the door to rotate freely for a long time under the lowest frictional resis

It is important that the door that you choose has the UL Listed Door Hinge, as this will make it much safer for you, your family, and those who visit you. One of the most common mistakes is using cheap ball bearing hinges for interior doorways. Although these types of door hinges will work fine, they can easily break if something happens to them, such as a large impact.

In commercial buildings, human life and safety is always the most important issue and in emergency situations, such as fire incidents, easy and quick exits can save lives. Panic bars are the main hardware item to provide people with a quick and easy exit in an emergency situation.In this article we

Modern door chain locks add security in a similar way to a bolt. However, they allow a door to be opened to approximately 150 mm and still keep it securely fastened. The occupant can check a caller’s identity before fully opening the door.A ‘door guard’ provides very good security and is more robust

In modern home decoration, there are usually some inconspicuous parts, which are generally overlooked by us, while play a critical role. And everyone will not begin to pay attention to them until there are problems, however it is too late. For example, indoor door locks are in contact with us every

Conventional hinges are available in different heights, widths and weights that will satisfy most doors and frames. Failure to evaluate and select the appropriate hinge size can lead to early door or hinge failure. These door and frame factors influence hinge selection:Door and frame materialFrequen

The scene of a fire is unpredictable. For a start, people inhale large amounts of smoke, causing fatigue and even unconsciousness. In the case of ordinary escape doors with handle locks or ball locks, it is obviously more difficult to pull down or turn the handle to push the door out. If the smoke i

The exit device is available in two design styles.1.The contemporary touch bar (touch bar) type:The touch bar type usually is a one-piece assembly consisting of a rectangular body extending from the lock stile to the hinge stile. Part of the body protrudes beyond the unit as a touch bar (touch pad/c

The hinge is one of the most active components of a door unit in combination with door locks, exit devices and door closers. Generally speaking, if the right hanging device is not selected, the door will not function properly. How do we determine the proper type of hinge?There are several pieces of