EN1935 Concealed Types Security Door Hinge for Government-DDCH008-G80

This concealed hinge is suitable for high-standard concealed doors designed for government office buildings, municipal halls, courts, archives and other public institutions.

Model:
DDCH008-G80
Brand:
D&D Hardware
Certification:
BS EN1935 200,000 cycles test, EN1634 fire rated 132mins, EN1670 corrosion resistance 48 hours
Material:
Zinc Alloy Body, Aluminium Connecting Strip
Color:
black、silver
Application:
Wooden Door, Metal Door

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Quantity:



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Door Hinge for Government Concealed Door Hinge for Government Concealed Hinge Types

Concealed Hinge for Government

1. Core performance meeting the highest standards of safety and durability

This hinge is specifically engineered to support heavy solid timber doors, metal fire doors, or blast-resistant doors in government buildings, with a single-hinge load capacity of up to 80kg, ensuring long-term stability and preventing sagging of door leaves. Having passed 200,000 opening/closing cycles under BS EN1935 standards, the product demonstrates exceptional longevity and absolute reliability in high-traffic public areas, significantly reducing maintenance frequency and long-term ownership costs. Concurrently, its EN1634 132-minute fire certification guarantees a critical time barrier for personnel evacuation and property protection during emergencies; EN 1670 48-hour salt spray testing certification guarantees outstanding corrosion resistance across diverse environments, adapting to complex climatic conditions in various regions.

2. Solemnly Professional Aesthetics with Concealed Design

The product adopts a classic colour scheme featuring a black body paired with a satin-finish cover. The black body exudes steadfast restraint, while the satin cover offers a premium, non-reflective texture. Together, they create a professional, dignified visual effect that blends seamlessly without appearing intrusive, perfectly complementing the solemn and authoritative architectural atmosphere of government institutions. Its fully concealed installation ensures the door leaf blends seamlessly with the wall or frame when closed, eliminating any visual disruption or potential safety hazards from exposed hardware. This embodies the modern public building design philosophy of simplicity, efficiency, and meticulous attention to detail.

3. Precision Engineering and Exceptional Functionality

The hinge body is cast from high-strength zinc alloy, ensuring robust core structural integrity and durability. The connecting plates utilise lightweight yet high-strength aluminium alloy, optimising both force transmission efficiency and the tactile experience of opening and closing. The unique 180-degree ultra-wide opening angle facilitates the passage and movement of large equipment and furniture. When fully opened, the door leaf lies flush against the wall, maximising passageway space, enhancing spatial efficiency, and improving accessibility. An integrated precision adjustment system allows for three-dimensional fine-tuning post-installation, effortlessly resolving door misalignment caused by building settlement or installation inaccuracies, ensuring long-term optimal performance.

In summary, this concealed hinge system for government buildings—combining 80kg load capacity, 132-minute fire resistance, and 200,000-cycle durability testing—transcends conventional hardware. It represents a critical system component for public safety, long-term investment value, and architectural integrity.