Dorma RTS85 Transom Closer – EN 5, Body Only
The Dorma RTS85 EN5 Transom Closer is a heavy-duty, concealed transom-mounted door closer body designed for wide and high-traffic commercial doors. With a fixed EN 5 closing force, it provides controlled door closing where increased power is required and floor-mounted solutions are not suitable.
Key Features
- Concealed transom-mounted door closer body.
- Fixed EN 5 closing force for wide or heavy doors.
- Suitable for single and double action doors.
- Mechanical backstop limits door opening to approximately 130°.
- Available in hold open or non hold open configurations.
- Finished in grey/silver.
Fire Rated?
- Fire door suitability depends on the selected variant and doorset configuration.
- Hold open variants must not be used on fire-rated doors.
Specifications
- Product Type: Transom-mounted door closer (body only)
- Series: Dorma RTS85
- Closing Force: EN 5 (fixed)
- Maximum Door Width: 1250 mm
- Maximum Door Weight: 110 kg
- Maximum Opening Angle: Approx. 130°
- Finish: Grey/Silver
Available Variants
Download PDF Resources
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Dorma RTS85 Transom Closer – Product Brochure |
Frequently Asked Questions
What is the difference between the 90° and 105° hold open variants?
The hold open angle determines how far the door is held open before closing is released.
Can any hold open variant be used on fire doors?
No. Hold open transom closers must not be used on fire-rated doors.
Is this supplied as a complete closer?
No. This product is supplied as a body only and requires compatible arms and fittings.
Additional Information
- RTS85 EN5 closers are commonly specified for wide shopfront and architectural doors.
- Correct hold open selection is critical for safety and compliance.
- Professional installation is recommended for transom-mounted systems.
