Hollow Metal Door Hinges
Weight Range ： 0.5g–500kg
Dimensional tolerance ： ±0.1mm
Hollow metal door hinges are the core stress-bearing component of heavy-duty hollow metal doors. Its single piece can bear a maximum load of 113 kilograms. This can firmly support the weight of the door body and additional equipment. It passed 500,000 switching tests. This proves its excellent durability. Very suitable for hospitals, schools and other places with dense traffic. The hinge surface uses a multi-layer electrophoretic coating. The coating provides over 500 hours of rust protection. This significantly extends product service life.
In addition, hinges focus on safety and regulations. Fire-resistant models pass the 1.5-hour fire resistance test. Ensure functionality is maintained during fire. The bearings have been optimized and the door opening force is usually less than 2.3 kg. This complies with international standards for barrier-free access. With these characteristics, the hinge can work stably in various environments. Ultimately ensuring the long-term safe and reliable operation of the entire door system.
About JOYEAR
Joyear Metalwork specializes in producing various piano hinge types. Thanks to our more than 30 years of production experience, we are currently a leader in the industry.
We export our excellent products to Southeast Asia, Europe, North America, and other countries.
Specification
Drawing Design & Confirm
Obtain drawings from clients or produce drawings based on their examples or specifications.
Both parties attest to the drawings.
Advantages
Excellent load carrying capacity
Doors made of hollow metal are heavy by themselves. It is also possible to install equipment like access control. High hinge strength is needed for this. A single piece of high-quality commercial hinges can support a load of 68 to 113 kg. For instance, three hinges can be installed on a door weighing 180 kg. About 91 kg can be supported by each hinge.
Additionally, a 20% safety margin is maintained. The door leaf will hang smoothly for decades thanks to this arrangement. effectively stop the door leaf from deforming or sinking. Additionally, it can stop the door's bottom from scraping the floor. Make sure the door is used regularly in the long run.
Strong environmental adaptability
Hinges must adapt to various environments. for interior spaces that are humid. Multilayer electrophoretic coating is an option for treatment. This offers neutral salt spray protection for more than 500 hours. Verify that there is no red rust on the hinges. in environments that are extremely corrosive, like chemical industries or coastal areas.
Using 304 or 316 stainless steel hinges is advised. Rust can be essentially avoided with this substance. Achieve long-lasting, maintenance-free performance. Different solutions guarantee the hinge's dependability in different situations.
Protect related hardware
Strong joints are similar to high-quality hinges. It evenly distributes the weight of the door to the door frame. This greatly lessens the strain on door closers and locks. Testing reveals that Grade 1-compliant hinges are used. It can lessen door sagging-related lock wear and tear by over 60%.
This greatly increases the door hardware system's overall lifespan. The issue of loose closing brought on by the door leaf sinking is also prevented. The door's overall functionality is safeguarded.
Accessibility
The key to barrier-free access is these hinges. It requires little opening force because of its smooth bearings. It can meet the American ADA standard's maximum door opening force of about 2.3 kg. For those with restricted mobility, this is essential.
Personnel can swiftly and easily push the door open in the event of an emergency evacuation. It is capable of withstanding abrupt impact forces due to its robust construction. The escape route's dependability and security are guaranteed. It is the fundamental hardware that complies with safety standards.
why choose us
Security
- The authoritative 1.5-hour fire-resistant certification has been passed by the all-metal fireproof structure, which safeguards life passages.
Smooth and silent
- Heavy-duty door switches become smooth and light thanks to precision ball bearings, which also greatly reduce friction noise.
Strong corrosion resistance
- Composed of stainless steel or a multi-layer electrophoretic coating that is resistant to corrosive and humid conditions.
Extremely durable
- In order to guarantee long-term maintenance-free use in high-frequency commercial locations, it has passed more than 500,000 switching tests.
Leaf & Hole Type
Tooling Manufacturing
Make the tooling and make any necessary modifications during testing using the verified drawing as a guide.
Production & Shipping
Pay close attention to the original drawings and samples when creating the products.
It was meticulously packaged and delivered to the clients following a final inspection.
Price & Order
Provide a quote, confirm the order quantity, and include all relevant information,
such as the payment terms, trade terms, and package type.
★ ★ ★ F A Q ★ ★ ★
How long does the delivery usually take?
- For standard models and colors, our regular delivery time is 30-45 days after receiving advance payment. It can be faster if the stock is in stock. The specific time will be determined based on the order quantity and current production schedule.
What is the minimum order quantity (MOQ)?
- Our MOQ is relatively flexible. Standard products usually have a minimum order quantity of 500 sets or 1 pallet. For first trial order, we can negotiate a smaller quantity so you can test the quality.
Can free samples be provided? Who pays the freight?
- We can provide samples for evaluation. The sample itself is free, but you usually need to bear the international express shipping cost. After you place a formal order, we can deduct the sample shipping cost from the payment.
Can the surface color or brand logo be customized according to our requirements?
- Absolutely. We can powder coat according to your color card or RAL color number. For Logo stamping or laser engraving, we can arrange it as long as a certain order quantity is reached.
What is the packaging like? Can it be ensured that it will not be damaged during shipping?
- We use export standard packaging. Usually each set of hinges is individually packaged in a plastic bag, then put into an inner box, and finally placed in a sturdy export carton or wooden box. We have rich experience in shipping, and the packaging can effectively prevent rust and collision.
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