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  • The role of building hardware in fire-resisting and emergency escape doors

    Some items of building hardware are essential to ensure that the fire-resisting door stays closed in its frame in a fire emergency.

  • BS EN 12209: 2003/AC:2005 Locks and latches grades

    BS EN 12209 classifies mechanically operated locks, latches and locking plates using an 11 digit coding system. This has proved necessary in order to provide a proper assessment of all the varied features of products for specific markets within Europe. It should be noted that to avoid a greater proliferation of boxes, certain features have been “doubled up”: e.g. durability and durability with side load; door mass and closing force; corrosion resistance and temperature resistance. The system is comprehensive but it has led to the use of letters (rather than numbers) in certain boxes, since there can only be one digit in each classification box. A similar classification system applies to all building hardware product standards (at least for the first 7 boxes) to aid meaningful comparisons with related products.

  • Understanding BS EN 1935 Single-axis hinges grades

    This standard provides details on product types, classification by use, test cycles, door mass, corrosion resistance, as well as definitions, product performance requirements, test apparatus, test methods and marking of products. In addition, the published standard includes annexes with details for special applications.

  • General recommendations for panic exit devices

    The device and its accessories must be chosen taking account of the type of user: • devices placed on the market after 1 July 2013 and intended for use by the general public must be CE Marked to BS EN 1125 – Panic exit devices operated by a horizontal bar, and preferably provided with additional product certification by an approved third party certification body. • devices placed on the market after 1 July 2013 for use by trained personnel must be CE Marked to BS EN 179 - Emergency exit devices operated by a lever handle or push-pad, and preferably provided with additional product certification by an approved third party certification body.

  • What is an exterior door hardware?

    Exterior door hardware is the collective name for all kinds of metal and non-metal accessories installed on the doors of a building. They play an auxiliary role in the opening and closing of doors. The surface is generally plated or coated, which is strong, durable, flexible, economical and beautifu

  • What is a spring hinge?

    What are spring hinges? Spring hinges, also known as spring loaded hinges, self-closing hinges and door closing hinges, are hinges equipped with springs that automatically close the door from the open position. Spring hinges are adjustable. You can learn more about spring hinges in this article.This

  • Handing of hardware

    Before you are being introduced to any products you should understand why some items of hardware are handed. This means that certain products will not suit all doors or windows and below are intended to help you know which products may be handed and how to determine the correct one.

  • What is Cross-keying?

    Cross-keying is a term that is used to describe a cylinder that is operated by more than one change key. This is different than a master keyed cylinder because usually a cylinder that is master keyed will only be operated by one change key as well as the master key.

  • How to adjust a door hinge?

    If you have a problem with your door, the door hinges may need to be adjusted. Fortunately, door hinges can be easily adjusted around the building door with a few simple tools.This passage is going to talk about the followings of adjusting the door hinge:1) Method 1 Tighten the hinges in order to cl

  • How to buy a good stainless steel hinges?

    A hinge is a mechanical component used to connect the surfaces of two objects. It allows the surface to rotate about a fixed axis, as shown in the adjacent photo. One of the most common applications for hinges is doors. Whether in a home or commercial setting, hinges are commonly used to mount a doo

  • How to install butt hinge?

    The butt door hinge installation before determining the type of Interior door hinge is half cover, full cover or internal cover before the implementation of the installation, before the installation of the butt door hinge to determine the minimum margin of the Interior door hinge installation.Differ

  • How to install or replace a door hinge

    In order to provide support for doors and allow them to open and close fully, door hinges are critical to almost every door in order for it to function properly. As time passes, it's likely that door hinges will need to be replaced or new ones will need to be installed on new doors. Fortunately, the

  • Cylinder keying systems & Levels of Keying

    Keying systems are available in various degrees of complexity depending on the number of keying levels used. Change keys form the lowest level of the hierarchy of a key system. Master, grand master and great grand master keys form the higher levels of hierarchy of key systems.

  • What is a Master Key System and How a Master Key Work?

    What is master key? A master key is a key which will open all the locks in a set, even though each lock has its own different key.

  • What is swing clear hinges & How do they work?

    Swing clear hinges are used on openings, such as hospital patient room entry or cross-corridor openings, where the maximum clear width of the opening is required to permit the passage of equipment without damaging the doors.

  • How to determine a qualified door hardware?

    Door hardware is an essential piece of equipment in everyday life. It comes in many varieties and is usually used in conjunction with door locks, providing a lot of convenience and security for people's safety and daily living. This article will give a brief introduction and analysis of door hardwar

  • How to choose a suitable Door lock?

    A door lock is a device used to lock a door in place to prevent others from opening this door. Door locks are widely used and can be found almost everywhere. As people's quality of life levels increase, there are more and more types of door locks. However, many people do not know how to properly sel

  • Technical performance of security door locks

    Security door locks are a type of door lock that is very strong and has a wide range of applications. Doors equipped with anti-security door locks can resist abnormal opening under certain conditions for a certain period of time, security door locks have certain security protection properties and co

  • How to choose a door lock in relation to the environment in which it will be used?

    Door locks are essential equipment in people's lives and without them, life's safe living and privacy will not be guaranteed. The development of door locks has been going on for centuries, and the variety of locks on the market has become unimaginable. From the point of view of the material of the d

  • Lock & Latches for Fire and Escape doors

    In order to provide an effective barrier to prevent fire, a door has to remain closed within the frame.

  • The common types of Door Lock in the market

    The door lock is one of the world's oldest inventions and it has taken hundreds of years to develop into the mature system it is today. With the development of the times, there are more and more types of locks used in homes today, with different application scenarios using different types of locks.

  • The Door hardware applications

    The most important feature of security door locks is their durability, they are made of stainless steel or steel. With strong anti-theft and wear resistance properties, they provide a great deal of security for people's lives. In order to play the role of gold security door locks in a safe and stabl

  • What is included in the door hardware?

    Door hardware is the collective name for the various metal and non-metal fittings that are fitted to the doors and windows of a building. Door hardware does not refer to one product in particular, but rather to a product category. For the consumer, the purchase of home hardware is never about specif

  • Door closers for Fire and Escape Doors

    Fire-resisting doors are usually required to be self-closing, in accordance with building regulations. (other than those to locked cupboards, service ducts, and internal doors in flats and dwelling houses)

  • Classroom - Single leaf swing type metal door- non fire rated – American standard

    classroom - Single leaf swing type metal door- non fire rated – American standard

  • Office door - Single leaf swing type wood door- non fire rated – European standard

    Office door - Swing type single wood door- non fire rated

  • Staircase Escape route - Swing type double metal door without overlap- fire rated – American standard

    Door design considerations mainly as below:1, Where the building and inner door located2, Direction of the flow of people in the building3, Number of people the building expecting4, It is a fire resistant and heat insulated door Main concern points for this configuration are:1, Safety Door opening

  • What is rising butt hinge and when to use or not to use it?

    Rising butt hinges are designed to allow doors to close slowly using gravity and lift the door slightly as it is opened.

  • What's the Door Lock?

    Locks are one of the world's oldest inventions, with a wide variety and thousands of years of development. The door lock is one of the locks that are indispensable for any occasion in our lives. The importance of door locks is particularly evident. Today we will combine the definition and characteristics of door locks with a brief summary and analysis of door locks.

  • How to choose a Door hinge?

    The product we are presenting today is the door hinge, an important component for safety and security, which is used to connect various doors. In this article, we will describe the functions and types of door hinges, as well as some advice on how to choose them.

  • Hinge for fire and escape doors

    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. 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, when fitted to a fire-resisting door assembly, to close the door leaf reliably from any angle to which it has been opened, overcoming the resistance of a latch or any seals when fitted.

  • How to choose the Exit Device to provide Safety and Security

    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, etc, be fitted with ​panic exit devices. The main purpose of a panic exit device is to give safe and effective escape through a doorway with minimum effort and without prior knowledge of the device.

  • What are the functions of the American standard Mortise Lock?

    American mortise locks are the best choice for commercial building doors. The strength of the doors and the locks used will have a major impact on the safety of the building. In order to choose the American mortise lock with suitable requirements, we need to understand the following question: how to

  • Which are the most frequently used function of Exit device

    There are many operating functions available. The most frequently used are: Function Description number

  • How to Select Panic Exit Device for doors?

    Exit devices are available in two design styles

  • What is Silencer and where do we use it?

    Sometimes referred to as mutes, silencers are used to cushion the closing of a door in a wood or metal frame, thus quieting the closing of the door. Door silencers are small rubber buttons, approximately 1/8” thick, with a projecting portion for insertion into holes prepared in the stop of frame.

  • What are Protective Plates?

    Protective plates are used on doors in all types of buildings. They are designed to protect doors from scratches, dents and other damage caused by moving equipment through openings.

  • BS EN 1935 CE Single Axis Door Hinges

    BS EN 1935 classifies door furniture door furniture by using an 8 digit coding system. A similar classification applies to all building hardware product standards so that complementry items of hardware can be specified to, for instance, a common level of corrosion resistace, category, category of use, etc. each digit refers to a particular feature of the product measured against the standard's performance requirements.

  • How to choose Hinge for Door?

    The door hinge is an important part of door, it can make open and close the door easily, can also make the door installation and removal easy. We have plated the surface of exterior and interior door hinges, it looks smooth and deepens the beauty of commercial building. Compared with single hinge, the door hinges hardware offers additional savings.

  • ANSI and EN Hinge Comparison

    American National Standard Institute (ANSI) ANSI 156.1 This Standard establishes requirements for butts and hinges. Cycle tests, lateral and vertical wear tests, friction tests, strength tests, finish tests, and material and dimensional requirements are included.

  • What is surface mounted door closer and how to mount it?

    Surface mounted door closers are the most efficient and economical means of controlling doors and are thus, the most commonly used type of closers. But, because they are exposed to view, there are some installations where a concealed door closer better suits the needs of the owners and users. On exterior openings, surface door closers should always be installed on the interior side of the openings to protect the closers from fluctuations in temperature. On interior openings, good practice dictates that surface door closers be installed on the room side of the openings, out of the corridor.

  • What is a door coordinator and what does it do?

    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 of has an overlapping astragal. Typically, these openings will have a vertical rod exit device or automatic flush bolts installed on

  • What's the Door Lock?

    Locks are one of the world's oldest inventions, with a wide variety and thousands of years of development. The door lock is one of the locks that are indispensable for any occasion in our lives. The importance of door locks is particularly evident. Today we will combine the definition and characteristics of door locks with a brief summary and analysis of door locks.

  • What is Surface Vertical Rod Exit Devices and what applications can it be used?

    The surface vertical rod exit device mounts to the surface of the door. A top and a bottom rod extend the full height of the door and are attached to latch-bolt assemblies. The top latch-bolt assembly engages a strike that can be either surface-applied or mortised into the soffit of the frame. The bottom latch-bolt assembly can latch into a surface-applied or mortise strike in the floor. A latch-track threshold can also serve as a strike to secure the bottom latch-bolt assembly. Similar to rim exit devices, the operating trim extends through the door thickness and engages the lock case of the exit device. The clearance between the door bottom and the finished floor is an important dimension that needs to be addressed. Depending on the design of the latch-bolt assembly and the strike, the doors may have to be ordered with a non-standard undercut to ensure the latch-bolt can properly engage the strike.

  • How to choose a Door hinge?

    The product we are presenting today is the door hinge, an important component for safety and security, which is used to connect various doors. In this article, we will describe the functions and types of door hinges, as well as some advice on how to choose them.

  • The common types of Door hardware.

    With the development of metalworking technology, the use of door hardware is becoming more and more widespread. door hardware is an extremely important type of everyday metalwork in people's daily lives, and it is used in wooden doors, glass doors, sectional doors and other metal devices made by man

  • Where are Door Closers required?

    A ​door closer is an adjustable and spring-loaded mechanical arm that closes a door automatically after it has been opened. Door closers are usually filled with hydraulic fluid, which dampens the door swing and controls its operation. Installing a door closer adds a level of control to your door's safety and security.

  • What is the different between Panic Hardware & Fire Exit Hardware?

    An exit device is a piece of hardware mounted on the push side of a door. It is designed to release a latching mechanism in the event of panic. Exit devices are intended to operate without prior knowledge or training when pressure is applied to horizontal bar or push pad mounted to the door. Because of their direct effect upon life safety, exit devices are one of the most important hardware items in a building. Panic Hardware and Fire Exit Hardware are two different types of exit devices, and the proper selection is determined by code requirements.

  • How to choose the appropriate door hinge?

    Door hinge is the most common door fitting device that connects the door frame to the door leaf and allows rotation between the two. The hinge can withstand the weight of the door without sagging the door, and allows the door to rotate freely for a long time under the lowest frictional resistance. The hinges come in a variety of materials, including zinc alloy, steel, plastic, and stainless steel. Different materials determine the scope of use of the hinge. The choice of hinges has a very large impact on the use of the door. If an improper hinge is installed on the door, it is not only difficult to play the role of the door, but serious circumstances may endanger life safety. In order for the door to maximize door hanging and gating, it is important to choose the appropriate hinge.

  • Why your products could face shipping delays in China?

    These days , Chinese Factories are experiencing unexpected delays in productions and even closing theirs door for a couple of weeks. The reason is because Beijing is sending inspectors to make sure factories are complying with state environment rules in fighting the country’s war on pollution. The central government of China has sent an army of inspection teams into the financial hub of Shanghai and Guangdong to monitor and inspect air pollution in the regions, to make sure the environment stays clean and it’s safe for the people in the region. Most of the factories, especially in Jiangmen and Zhongshan areas, have temporary closed for 7-20 days, causing delays in finishing orders in this already super rushed and busy season.


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