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DORMA BTS 84 Floor Spring

Specially designed for the movement patterns of double action doors, the BTS 84 can be easily adapted to suit individual requirements. With an overall depth of just 40 mm, it offers the particular advantage of only requiring a shallow floor recess for installation, including for upgrading.

  • Suitable for double action doors
  • For door leaf widths up to 1,100 mm
  • Adjustable closing time
  • Optional hold-open at a 90° angle
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Product details

Floor spring specially designed for double action doors

Developed to meet the special requirements of door closers for double action doors, the DORMA 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 DORMA BTS 84 is also optionally available with a hold-open function

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