Model and certification
The product model DDCH008 has been strictly tested to ensure stable quality. The test includes 200,000 opening and closing cycles to verify durability, 132 minutes of fire performance evaluation, and 48 hours of anti-corrosion test. These tests ensure that the products can maintain stable performance in different environments and provide reliable quality assurance for buyers.
Size and material
The product size is 34x246mm, specially designed for heavy-duty doors. The main body is made of zinc alloy to ensure the stability and durability of the structure. The connecting piece is made of aluminum alloy to achieve the perfect balance between lightweight and strength. The surface cover plate can be made of stainless steel or engineering plastic to meet different use requirements.
Appearance and applicability
The matte black surface treatment is not only beautiful, but also can effectively hide the traces of use. Suitable for all kinds of commercial buildings and residential projects, including office buildings, shopping malls, hotels and other diversified scenes. Its classic color matching can perfectly blend into different decorative styles and enhance the overall space texture.
Super load-bearing
This Heavy Duty Concealed Hinge adopts reinforced structural design, with a single hinge bearing up to 120kg. Special mechanical distribution system ensures uniform dispersion of weight and avoids local stress concentration. After rigorous testing and verification, it can maintain stable performance even if it bears heavy-duty door leaves for a long time.
Precise adjustment
The innovative 3D adjustment system allows precise adjustment after installation. Vertical, horizontal and depth can be adjusted independently, which can easily solve the installation deviation of door leaves. The adjustment process is simple and fast, and all adjustment operations can be completed without disassembling the door body.
Durable and corrosion resistant
High-quality zinc alloy main body with special surface treatment provides excellent corrosion resistance. After rigorous testing and verification, the product can maintain a long service life in humid environment. The matte black surface can effectively hide the traces of daily use and keep the appearance.
Business center gate
Large commercial centers need durable and reliable door control solutions. This Heavy Duty Concealed Hinge has strong load-bearing capacity and is suitable for installation at the main entrance with a large flow of people. The concealed design keeps the appearance of the building clean and tidy, and the 3D adjustment function is convenient for maintenance and adjustment.
Fire door of office building
Office buildings have strict requirements for fire safety. This product has passed the fire test and its performance is reliable. Super load-bearing capacity is suitable for heavy fire doors, and the concealed design meets the aesthetic requirements of modern office environment.
Hotel room portal
High-end hotels pay attention to details and quality. The hidden features of this hinge keep the facade clean and beautiful, and the silent design enhances the customer experience. Durable performance ensures worry-free long-term use and reduces maintenance requirements.
Entrance door of high-end residence
Residential projects need to give consideration to both beauty and safety. The bearing capacity of the product ensures the stability of the door, and the hidden design enhances the overall visual effect. Anti-corrosion characteristics adapt to different climatic conditions and ensure long service life.
preparatory work/be about to work
Confirm that the weight of the door leaf is within the bearing range, and check the flatness of the installation position. Prepare professional installation tools, including perforated templates and electric drills. Measure and mark the exact installation position to ensure the accurate reserved size.
Installation step
Use special template to locate the opening position and accurately process the installation groove. Install the hinge cup to the door frame first, and then install the door leaf part. Initially fix all screws and keep proper clearance.
Debugging adjustment
Perform 3D precise adjustment after installation. Adjust the depth first to ensure the facade is flat, and then adjust the vertical and horizontal positions. After each adjustment, test the smoothness of opening and closing until it reaches the best state.
Final inspection
Make sure all the screws are tightened, and check whether the door leaves open and close smoothly. Test the stay effect of the door leaf in different positions to ensure safe and reliable use. Complete the final acceptance record.
Long-term economic benefit
The super durability of this Heavy Duty Concealed Hinge significantly reduces the long-term use cost. High-quality materials and precision manufacturing ensure longer service life of products and reduce replacement frequency. Its stable performance can effectively reduce maintenance costs and bring sustained economic benefits to buyers.
Quality enhances value
The excellent performance and beautiful design of products can significantly improve the quality of the project. The hidden design enhances the overall sense of space, and the precise adjustment function ensures the user experience. These advantages directly enhance the overall value of construction projects and help buyers gain better market competitiveness.
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Model and certification
The product model DDCH008 has been strictly tested to ensure stable quality. The test includes 200,000 opening and closing cycles to verify durability, 132 minutes of fire performance evaluation, and 48 hours of anti-corrosion test. These tests ensure that the products can maintain stable performance in different environments and provide reliable quality assurance for buyers.
Size and material
The product size is 34x246mm, specially designed for heavy-duty doors. The main body is made of zinc alloy to ensure the stability and durability of the structure. The connecting piece is made of aluminum alloy to achieve the perfect balance between lightweight and strength. The surface cover plate can be made of stainless steel or engineering plastic to meet different use requirements.
Appearance and applicability
The matte black surface treatment is not only beautiful, but also can effectively hide the traces of use. Suitable for all kinds of commercial buildings and residential projects, including office buildings, shopping malls, hotels and other diversified scenes. Its classic color matching can perfectly blend into different decorative styles and enhance the overall space texture.
Super load-bearing
This Heavy Duty Concealed Hinge adopts reinforced structural design, with a single hinge bearing up to 120kg. Special mechanical distribution system ensures uniform dispersion of weight and avoids local stress concentration. After rigorous testing and verification, it can maintain stable performance even if it bears heavy-duty door leaves for a long time.
Precise adjustment
The innovative 3D adjustment system allows precise adjustment after installation. Vertical, horizontal and depth can be adjusted independently, which can easily solve the installation deviation of door leaves. The adjustment process is simple and fast, and all adjustment operations can be completed without disassembling the door body.
Durable and corrosion resistant
High-quality zinc alloy main body with special surface treatment provides excellent corrosion resistance. After rigorous testing and verification, the product can maintain a long service life in humid environment. The matte black surface can effectively hide the traces of daily use and keep the appearance.
Business center gate
Large commercial centers need durable and reliable door control solutions. This Heavy Duty Concealed Hinge has strong load-bearing capacity and is suitable for installation at the main entrance with a large flow of people. The concealed design keeps the appearance of the building clean and tidy, and the 3D adjustment function is convenient for maintenance and adjustment.
Fire door of office building
Office buildings have strict requirements for fire safety. This product has passed the fire test and its performance is reliable. Super load-bearing capacity is suitable for heavy fire doors, and the concealed design meets the aesthetic requirements of modern office environment.
Hotel room portal
High-end hotels pay attention to details and quality. The hidden features of this hinge keep the facade clean and beautiful, and the silent design enhances the customer experience. Durable performance ensures worry-free long-term use and reduces maintenance requirements.
Entrance door of high-end residence
Residential projects need to give consideration to both beauty and safety. The bearing capacity of the product ensures the stability of the door, and the hidden design enhances the overall visual effect. Anti-corrosion characteristics adapt to different climatic conditions and ensure long service life.
preparatory work/be about to work
Confirm that the weight of the door leaf is within the bearing range, and check the flatness of the installation position. Prepare professional installation tools, including perforated templates and electric drills. Measure and mark the exact installation position to ensure the accurate reserved size.
Installation step
Use special template to locate the opening position and accurately process the installation groove. Install the hinge cup to the door frame first, and then install the door leaf part. Initially fix all screws and keep proper clearance.
Debugging adjustment
Perform 3D precise adjustment after installation. Adjust the depth first to ensure the facade is flat, and then adjust the vertical and horizontal positions. After each adjustment, test the smoothness of opening and closing until it reaches the best state.
Final inspection
Make sure all the screws are tightened, and check whether the door leaves open and close smoothly. Test the stay effect of the door leaf in different positions to ensure safe and reliable use. Complete the final acceptance record.
Long-term economic benefit
The super durability of this Heavy Duty Concealed Hinge significantly reduces the long-term use cost. High-quality materials and precision manufacturing ensure longer service life of products and reduce replacement frequency. Its stable performance can effectively reduce maintenance costs and bring sustained economic benefits to buyers.
Quality enhances value
The excellent performance and beautiful design of products can significantly improve the quality of the project. The hidden design enhances the overall sense of space, and the precise adjustment function ensures the user experience. These advantages directly enhance the overall value of construction projects and help buyers gain better market competitiveness.
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D&D Hardware specialized in Stainless Steel hardware products for Wooden Doors& Metal Doors, such as Door Locks, Door Hinge, Lever Handles, Door Closer, Panic Exit Device, Door stopper, Flush Bolt, etc.
The concealed door hinge that we offer are tested to the most stringent international industry standards, including BS EN, CE, UL, ANSI and BHMA, Suitable for Education, Healthcare, Hospitality, Residential and Commercial applications.
More door hardware items include:
1.Door Hinge- UL 10C R38013 & BHMA/ANSI Grade1/2 & CE EN1935 Grade 13
2.Concealed Hinge- BS EN1935, EN1634 Fire Rated
3.Door Lock - CE EN12209 UKCA Fire Rated & UL 10C R40901
4. Door Handle- BS EN 1906 Grade 4, EN1634 Fire Rated
5. Panic Exit Device- UL 10C R40486 & UL305 SA45817 & CE EN1125
6. Door Closer – CE BS EN 1154 & UL 10C R40717
7. Lock Cylinder-BS EN1303, EN1634 Fire Rated
8. Door Viewer - UL Listed UL 10C Fire Rated R41286
9. Glass Hardware / Bathroom Hardware / Barn Door Hardware
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D&D Hardware specialized in Stainless Steel hardware products for Wooden Doors& Metal Doors, such as Door Locks, Door Hinge, Lever Handles, Door Closer, Panic Exit Device, Door stopper, Flush Bolt, etc.
The concealed door hinge that we offer are tested to the most stringent international industry standards, including BS EN, CE, UL, ANSI and BHMA, Suitable for Education, Healthcare, Hospitality, Residential and Commercial applications.
More door hardware items include:
1.Door Hinge- UL 10C R38013 & BHMA/ANSI Grade1/2 & CE EN1935 Grade 13
2.Concealed Hinge- BS EN1935, EN1634 Fire Rated
3.Door Lock - CE EN12209 UKCA Fire Rated & UL 10C R40901
4. Door Handle- BS EN 1906 Grade 4, EN1634 Fire Rated
5. Panic Exit Device- UL 10C R40486 & UL305 SA45817 & CE EN1125
6. Door Closer – CE BS EN 1154 & UL 10C R40717
7. Lock Cylinder-BS EN1303, EN1634 Fire Rated
8. Door Viewer - UL Listed UL 10C Fire Rated R41286
9. Glass Hardware / Bathroom Hardware / Barn Door Hardware
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Contact:
David Jian
Mobile:0086-139 2903 7292
E-mail: sales@danddhardware.com
D&D HARDWARE INDUSTRIAL CO.,LTD
ADD: 12th Floor, Building 2, No.898, KeChuang Technical Zone, Jiangmen Avenue, Pengjiang District, Jiangmen City, Guangdong, China (Postcode:529000)
Https://www.danddhardware.com
TEL: +86-750-3856396
FAX: +86-750-3856395
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