Publish Time: 2021-11-01 Origin: D and D Hardware
Metal door is one of the most common types of doors, and its accessories are usually made from materials of stainless steel.
The greatest feature of metal doors is their durability, as they are made from metal or alloy. That explains why metal doors are so commonly used, their solidity bring them the properties of anti-theft and anti-wear.
In addition to their excellent anti-theft performance, metal doors are also quite fireproof, while wooden doors and glass doors are couple times weaker. Thus, fire doors are made of metal, too. In terms of privacy and security, the sound-insulation effect of wooden doors is better than that of glass doors, while metal doors are much better than the above two of them.
Metal doors are usually manufactured in a tailor-made way, which requires exact coordination with corresponding accessories, which makes it able to bring the function of metal doors into full play and bring much easier installation.
Now we will introduce the hardware fittings for metal doors.
Door Hinge—D and D door hinges manufactured in accordance with ANSI / BHMA A 156.1 & UL Listed/UL 10C & BS EN1935
Template screw is available for use on hollow metal doors and frames. The thickness of the hinge is 3.4 mm, which has enough bearing capacity. D and D hinges can withstand 240 hours of salt spray test, and their fire resistance limit is up to 3 hours.
We also provide reinforcement plate used in metal doors in conjunction with the hinge, which can be used for both door and frame reinforcement. Welding inside of steel door or frame. Suitable for heavy doors.
Mortise Lock— mortise locks are usually installed in metal doors in shopping malls, schools, hospitals and other places where people flow much, such as fire doors. Therefore, D and D mortise locks are fire-resistant and have passed the BS EN 12209 test & BHMA/ANSI A156.13. They offer the function of controlling the flow of people, preventing unapproved departure and theft, and guaranteeing the safety and escape ability of indoor individuals.
Door Handle—door handle with EN1906 Grade 4 / EN1634 Fire Rated 2 Hours
Stainless steel is one of the most commonly used building materials, which has the characteristics of long lifespan and corrosion-resistance. The stainless steel lever handle is an ideal choice for the majority of application scenarios, which is tested to 200,000 cycles, suitable for use in contract, public, commercial, institutional and residential buildings, e.g. public office doors, common area doors, etc.
Door Closer-More than 500,000 life tests, meeting the requirements of EN 1154/ UL Listed, possess the adjustable function of strength. It is suitable for heavy and high strength door control system of public buildings, engineering and maintenance doors with high security and high frequency of use.
The use of matching door closer and rubber door silencer. Rubber door silencers prevent rattle and noise when doors are closing.
Panic Exit Device-Comply with ANSI Grade 1 , UL Listed 10C 3 Hours Fire Rated. Through BS EN1125 test, the service life exceeds 200,000 press opening and closing tests. The press plate and locking plate are designed with pulley, which reduces friction and prolongs the trial lifespan.
It can be used for fire doors and non-standard fire doors, wooden doors, metal doors, internal doors and external doors. Applied in banks, schools, factories, hotels, hospitals, high-end office buildings, etc.
Providing that using the wrong accessories, which may not only fail to make the door function normally, but also it is more likely to incur accidents. For example, if metal doors are equipped with wooden door hinges, the thickness of wooden door hinges are not able to withstand the weight of metal doors and consequently they skew or fall. In order to prevent such dangerous situations, it is necessary to use proper accessories, which vary from materials of doors. Only by matching corresponding hardware fittings can metal doors play their best role.
D and D HARDWARE has more than 13 years of experience in manufacturing door hardware for metal doors, includeDoor Hinge, Door handle, Mortise lock, Door closer, exit devices and Door Accessories etc.
Not only door hardware, but also door-opening solutions. Our experienced and qualified team can help you find the most suitable solution for your needs, committed to mutual benefit.
For further information about metal door hardware, click here.
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Contact: David Jian
Mob:0086-139 2903 7292
Email: sales@danddhardware.com