- 3D concealed hinges: guaranteed by strict durability tests and tested for fire doors up to 120 minutes, 1131s is even more versatile due to the wide gap between its wings.
- Height: 160 mm
- Width: 32 mm
- Depth: 29 mm
- Suitable for doors: Wood, Alluminium, Steel
- Minimum door thickness: 38 mm
- Fire resistance: EI30, EI60, EI120
- Utilization: Residential, Commercial, Office, Entrance door, Marine use
- Load capacity 2 hinges: 80 kg
- Load capacity 3 hinges: 120 kg
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