DORMA BTS 65 Floor Spring

The economic floor spring specially designed for double action doors

Successfully tailored to satisfy the special requirements governing floor springs for double action doors, the 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 BTS 65 can fulfil virtually any application requirement while providing all the reliability associated with assured quality from DORMA.


Certified manufacture to ISO 9001.

  • The practical clamp fixing system of the BTS 65 ensures a
  • secure and high-precision fit in the cement box.
Floor spring accessories DORMA BTS

DORMA 2300 Sealing Compound
For filling the cavities between the floor spring body and the cement box to prevent moisture penetration (mandatory according to e.g. VOB regulations for wet rooms).

Spindle inserts

The floor clearance can be adjusted as required by simply replacing the insertion spindle with another size.
Special spindle designs available on request – e.g. wide flats with 3° offset, square and spindle inserts for non-DORMA-specific accessories.

Universal cover plate

Available in stainless steel or satin brass.

Benefits for the trade
  • Outstanding value for money
  • Wide range of accessories to accommodate various installation situations
Benefits for the installer
  • Easy installation thanks to shallow design
  • Easy to adapt to individual requirementsEasy to adapt to individual requirements with dual valve control 130° to 0° and 130° to 20°
  • Interchangeable spindle inserts available to suit site conditions
Benefits for the architect/specifier
  • Minimum floor recess dimension
  • Rugged construction for door weights up to 100 kg
  • DORMA quality
Benefits for the user
  • Smooth closing operation  virtually temperatureimmune
  • Low effort requirement ensures easy door operation
  • Optional integrated single-point hold-open at 90°

Technical Leaflet [2]

Product Description Format/Size Date Language  

BTS 65

Product Catalogue

309.32 KB
01.2014 INT download

BTS 65

Technical folder

536.35 KB
03.2014 INT download

Certificate [2]

Product Description Format/Size Date Language  

BTS 65

MPANRW Certificate

158.11 KB
01.2014 INT download

BTS 65

Certificate of Conformity

58.08 KB
01.2014 INT download