DORMA FLOOR SPRING BTS84 WITH HOLD OPEN

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 DORMA 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.