Technical Specifications
1. Product Dimensions and Weight
Standard dimensions are 28x177mm, specifically designed for apartment interior doors. Each hinge supports up to 80kg, ensuring suitability for various door types. Precisely calculated weight distribution guarantees structural strength while facilitating installation and adjustment, meeting stringent hardware requirements for apartment projects.
2. Material Composition
The hinge body is cast from high-strength zinc alloy, delivering superior mechanical properties. The connecting plate utilises aerospace-grade aluminium alloy, guaranteeing lightweight construction and stability. The surface is covered with a 304 stainless steel cover plate, enhancing overall durability and corrosion resistance.
3. Certification Standards
Passed the EN1935 certification 200,000-cycle test, ensuring an exceptionally long service life. EN1634 fire certification provides 132 minutes of fire protection. EN1670 corrosion resistance certification passed the 48-hour salt spray test, guaranteeing product reliability.
4. Surface Finish
Features a dual-tone design with a matte black body and silver cover plate, combining aesthetics with functionality. The surface undergoes multi-layer electroplating: a nickel base layer followed by a top-coat finish, ensuring outstanding corrosion resistance.
Product Features and Advantages
1. Concealed Aesthetic Design
This Adjusting Invisible Door Hinge employs a fully concealed structure, leaving no visible trace when the door is closed to maintain spatial tidiness and visual appeal. Precision machining ensures seamless integration with the door leaf, elevating overall decorative quality.
2. Precise Three-Dimensional Adjustment
The innovative three-dimensional adjustment system allows ±2mm vertical adjustment, ±1.5mm horizontal adjustment, and ±1.2mm depth adjustment. Installers can achieve precise adjustments without removing the door, significantly reducing installation time.
3. Superior Fire Resistance
Certified to EN1634 with a 132-minute fire rating, the integrated fire-resistant expansion seal automatically expands under high temperatures. This effectively blocks the spread of flames and smoke, providing enhanced safety for apartment dwellers.
4. Exceptional Corrosion Resistance
Certified to the highest corrosion resistance standard EN1670, with no signs of corrosion after 48 hours of salt spray testing. Special surface treatment ensures rust-free performance in humid environments over extended periods.
5. Exceptional Service Life
Certified to EN1935 with 200,000 cycle tests, equivalent to over 25 years of daily use. Features a self-lubricating bearing system requiring no routine maintenance, significantly reducing long-term operational costs.
Simplified Installation and Maintenance
Equipped with dedicated installation templates and adjustment tools, enabling swift installation and commissioning by technicians. Its unique structural design facilitates straightforward routine maintenance, lowering subsequent servicing costs.
Application Scenarios
1. Premium Apartment Developments
Modern apartments prioritise spatial aesthetics and functionality. This Adjusting Invisible Door Hinge's concealed design preserves interior décor integrity while meeting fire safety regulations. Its precision adjustment function ensures long-term trouble-free operation, making it an ideal choice for premium residential developments.
2. Serviced Apartments
Serviced apartments demand both aesthetic appeal and durability. This product has undergone 200,000-cycle endurance testing, demonstrating excellent fire resistance and corrosion protection. Its concealed design enhances spatial quality while reducing maintenance requirements and operational costs.
3. Serviced Apartments
Serviced apartments place stringent demands on hardware reliability. This Adjusting Invisible Door Hinge's three-dimensional adjustment capability compensates for building settlement, maintaining door functionality. Its exceptionally long service life ensures stable, long-term operation while reducing maintenance and replacement frequency.
Customer Value
1. Reduced Total Cost of Ownership
The Adjusting Invisible Door Hinge's extended lifespan and maintenance-free characteristics significantly lower long-term project costs. Its standardised design facilitates bulk installation, improving construction efficiency and shortening project timelines.
2. Enhanced Project Quality
The product holds multiple international certifications, guaranteeing construction meets the highest standards. Its concealed design elevates project aesthetics, while precise adjustment capabilities ensure installation accuracy, showcasing professional craftsmanship.
3. Strengthened Product Competitiveness
Incorporating this Adjusting Invisible Door Hinge enhances overall project quality and market competitiveness. Its reliable performance and elegant design become key selling points, helping clients achieve superior return on investment.
