Dorma RTS 85 Fixed Power Transom Closer

The DORMA RTS 85 transom concealed door closer offers a solution for installations where door control must be provided without disturbing the aesthetic appearance of the door. A complete line of accessories is available to accommodate virtually any door and frame configuration.

  • Successfully third party tested to BS EN1154
  • CE Marked



  • Door closer hidden in the door frame
  • Door widths up to 950 mm / 1100 mm / 1250 mm
  • For single and double action doors
  • One closer body for all types of fixing
  • Wide range of accessories for almost every configuration

Benefits for the trade/distributor

  • Just one closer body for all types of fixing
  • Low inventory costs and minimal stocking requirement thanks to unit packs for closer body and accessories

Benefits for the installer/fabricator

  • Can be used for double action doors, or left and right hand single action doors
  • Installation and setting adjustment possible before installing the doorset on site
  • No floor preparation necessary
  • Positive “zero” position for double action doors – easy to adjust
  • Comprehensive range of accessories

Benefits for the architect/specifier

  • Aesthetically impressive solution – especially with toughened glass doors
  • Ideal for shopfitting applications

Benefits for the user

  • No cluttering of door or floor appearance
  • Backcheck to prevent door contact with frame
  • Smooth closing with adjustable closing speed

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      +12 (0) 345 678 9