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Dorma Double Action Upper Arm for RTS 85 per piece
€98.54
In stock
Usage
The Dorma RTS 85 EN 4 overhead concealed door closer with extended axis is designed for unobtrusive installation in transoms, providing controlled closing for single and double action doors in commercial and public spaces.
Advantages
- Concealed mounting preserves the aesthetic of glass, wood, or metal doors
- Adjustable closing force (EN 4) adapts to different door weights and sizes
- Extended axis of 22 mm allows flexible installation depths
- Suitable for both single- and double-action doors
- Silver finish offers a neutral look compatible with most architectural styles
Specifications
- The closer employs robust cam-and-roller technology housed within an aluminum body, finished in silver (argent)
- Lifespan tested to withstand intensive use; certified according to EN standards for durability and fire safety (EN 1154)
- Maximum door leaf weight supported: typically up to approx.100 kg; suitable for door widths up to approx.1100 mm; adjustable closing speed and latching action via accessible valves; maximum opening angle up to around120° depending on installation context[5][8]
- Differentiator: Fully concealed design ensures no visible arms or mechanisms while maintaining high performance across frequent-use environments[6]
How it works
The Dorma RTS 85 installs within the top transom of the doorway. Its cam-and-roller mechanism controls both the opening resistance and smooth return of the door, automatically guiding it closed at an adjustable rate without visible hardware on the surface.
