Product Summary

The BTS 84 is a double-action floor spring which has been specially developed for the aluminum and toughened glass door industries. The BTS 84 has many of the features of the other dormakaba BTS closers with the addition of reduced depth and an array of accessories designed for the aluminum door fabricator and toughened glass door manufacturer.


Certified manufacture to ISO 9001.

  • Special shallow design
  • Interchangeable spindles
  • Optional hold-open
  • Door weights to 100kg
  • Easy installation

Product Details

Floor spring specially designed for double action doors

Developed to meet the special requirements of door closers for double action doors, the BTS 84 floor spring has a particularly shallow design, allowing it to be installed very effectively in the floor. With the choice of two closing ranges and corresponding closer model, the BTS 84 floor spring is able to meet practically any requirement. Its functional reliability is supported by assured quality standards.
The BTS 84 is also optionally available with a hold-open function

BTS 84 Floor Spring

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