The DORMA BTS 84 is a double action floor spring which has been specially developed for the aluminium and toughened glass
door industries. The BTS 84 has many of the features of the other DORMA BTS closers with the addition of reduced depth and an array of accessories designed for the aluminium door fabricator and toughened glass door manufacturer.
Certified manufactured to ISO 9001.
- Concealed unit
- Special shallow design
- Optional hold-open