invisibles
What makes our invisibles so unique?
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Ease of use
- Universal: invisible small and medium are suitable for both left and right-hand doors
- 3D-adjustable: These invisible hinges can be set in height, width and depth
- Opening angle: The invisible hinges have an opening angle of 180°
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Aesthetics
- Sizes: two sizes with different load-bearing capacities: small and medium
- Available colours: the invisible hinges are available in three colours: matte chrome, matte black (RAL 9005) and matte white (RAL 9016)
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Durability and safety
- Fire-resistant: when combined with an intumescent kit, invisible medium is fire-resistant for 20 minutes
Weight table
| Type hinge | invisible small | invisible medium | |||
| Number of hinges | 2 | 3 | 2 | 3 | |
| Max. door weight according to door width |
28 3/4" | 121 lb | 143 lb | 121 lb | 154 lb |
| 32 11/16" | 110 lb | 132 lb | 110 lb | 143 lb | |
| 36 5/8" | 99 lb | 121 lb | 99 lb | 132 lb | |
| 40 9/16" | 88 lb | 110 lb | 88 lb | 121 lb | |
Technical features
| invisible small | invisible medium | |
| Door thickness | 1 1/4" | 1 1/2" |
| Door thickness with max. front panel |
1 1/4" | 1 1/2" |
| Overall depth | 1 3/8" (frame) / 1 1/4" (door) | 1 3/8" (frame) / 1 1/2" (door) |
| Dimensions (L x W) | 3 3/4" x 7/8" | 4 3/8" x 1 1/8" |
| Height adjustment1 | -1/16" / +1/16" | -1/16" / +1/16" |
| Width adjustment1 | -1/8" / +1/8" | -1/8" / +1/8" |
| Pressure1 (depth adjustment) | -1/16" / +1/16" | -1/16" / +1/16" |
| Max. front panel (cladding) size | 1/8" | 1/4" |
| Fire resistant2 | - | E20, EI220, EI120, EW20 |
1 = neutral position factory setting: standard of a 2 mm door margin
2 = fire resistante according to standard EN1634-1: 2008 and classified according to EN13501-2: 2007 for use of wooden door with wooden doorframe, and for wooden door with stainless steel frame
accessories
ARLU has developed various accessories for its entire range of invisible hinges:
- universal milling template
- intumescent kit
- connecting fittings
- fixation plate
- spacer rings