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Dorma Floor spring BTS-65

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The economic floor spring specially designed for double action doors :

Special shallow design Optional hold-open Successfully tailored to satisfy the special requirements governing floor springs for double action doors, the DORMA BTS 65 also offers a particularly shallow design and thus all the advantages of a reduced installation depth. With two closing ranges and a choice of models, the  Dorma BTS65 can fulfil virtually any application requirement while providing all the reliability associated with assured quality from DORMA. Certified to ISO 9001. 


For the trade

  • Outstanding value for money.
  •  Wide range of accessories to accommodate various installation situations.

For the installer

  • Easy installation thanks to shallow design.
  • Easy to adapt to individual requirements with dual valve control 130° to 0° and 130° to 20°.
  • Interchangeable spindle inserts available to suit site conditions.


For the architect/specifier

  • 2 Minimum floor recess dimension.
  • 2 Rugged construction for door weights up to 100 kg. 2 DORMA quality.

For the user

  • 2 Smooth closing operation virtually temperatureimmune.
  • 2 Low effort requirement ensures easy door operation.
  • 2 Optional integrated singlepoint hold-open at 90°.


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