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skip to Dorma RTS85 Closer Arm With Channel (8534 End Load)

Dorma RTS85 Closer Arm With Channel (8534 End Load)

£31.19

(£25.99 ex VAT)

sku: L11880
  • Compatible with Dorma RTS85 overhead transom closers
  • Designed for end load installation on aluminium or timber doors
  • Suitable for top rails with a minimum channel depth of 21mm
  • Accommodates top rails with a minimum width of 35mm
  • Provides a secure mechanical connection to the closer spindle
  • Engineered for high-traffic commercial door applications
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When ordering multiple Keyed Alike locks, only 1 set of keys are provided as all additional locks are made to work from that key.

If ordering 4 or more keyed alike locks you can have them set up as different groups. If Required: Let us know the details in the "Specific Key Requirements" field above.

Each group of locks will then receive keys.

The Dorma RTS85 Closer Arm with Channel (8534) is a robust assembly designed to connect a concealed overhead transom closer to a door leaf. This end load arm set is specifically engineered to be recessed into the top rail of the door, providing a discreet and functional solution for controlled door closing.

This component is typically utilised in commercial environments, such as retail shopfronts and office entrances, where concealed hardware is preferred for aesthetic and security reasons. It is compatible with both aluminium and timber door profiles that meet the minimum dimensional requirements.

Typical Applications:

  • New installations of Dorma RTS85 series overhead closers.
  • Replacement of worn or damaged arm sets in existing transom closer systems.
  • End load mounting configurations where the arm slides into the channel from the door edge.

For successful installation, the door's top rail must have a minimum internal channel depth of 21mm and a width of 35mm. This ensures a secure fit and reliable mechanical link between the closer spindle and the door leaf, facilitating smooth and controlled closing cycles.

FAQs

This arm and channel assembly is designed specifically for the Dorma RTS85 series of transom door closers.

To ensure proper fitment, your door's top rail must have a minimum channel depth of 21mm and a channel width of 35mm.

The 8534 end-load arm is designed to be slid into the top rail from the end of the door. This provides a robust connection that is hidden within the door frame once fully installed.

Yes, this kit comes complete with both the Dorma closer arm and the specific channel required for end-load installation.