Door coordinators are used to control the closing sequence of a pair of doors when both leaves are furnished with latching hardware and one leaf latches into the other. Typically, the doors will have a vertical rod exit device or automatic flush bolts installed on the inactive one, preassembled lock

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

European profile lock cylinders are the most popular type on the market. They usually have the same shape but differ in material, size, brand and especially in the type of key and locking mechanism. Lock cylinders offer security features such as anti-picking, anti-drilling, anti-shattering and anti-

Fire has always been a hidden danger in our lives, which is why many public places and homes are now equipped with stainless steel fire doors. This way, in the event of a fire, our lives can be better protected. Here we take a look at the features of metal fire doors and a guide to choosing fire doo

Door hardware refers to hardware that is widely used in wooden doors, glass doors, metal doors, etc., including door closers, floor springs, door hinges, door bolts,door locks, door stops, etc. Among them, door control hardware is a daily metal product that is extremely important for people's daily

Public buildings like most industrial and commercial premises are required to meet the conflicting need for both safety and security. Regulations relating to escape from buildings and general safety have made it desirable that doors at exits in public buildings, places of public entertainment, shops