Dorma Floor Spring

Product Details:

DORMAKABA BTS 65 FLOOR SPRING 
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 appli cation requirement while providing all the reliability associated with assured quality from DORMA.
Technical Data   Spring strength : Size EN 3 EN 4Standard and external doors : 950 mm 1100 mmMax. door weight in kg : 100 kgs.
Machine Dimension 
Floor Spring Height :- 40mmFloor Spring Width :- 108mmFloor Spring Length :- 276mm Floor Spring Weight :- 4.0 Kg. 
Function 
Standard and external doors.Closing speed variable by valve adjustment.Infinitely variable closing speed in the range 130° – 0°.Second closing range 130° – 20°.Hold-open point 90° (optional extra).Backcheck.
For the user
Smooth closing operation virtually temperatureimmune.Low effort requirement ensures easy door operation.Optional integrated single-point hold-open at 90°.
Specification text
Minimum floor recess dimension.Rugged construction for door weights up to 100 kg.DORMA quality.

Product Details:

Dormakaba BTS 80 Dormakaba Floor Spring. 


Enhancement focused on customer benefit.The door closer system BTS 80 perform its function discreetly yet still meet exacting convenience and safety criteria and is suitable for doors up to 300 kg.The technique of floor spring is almost invisible placed in the ground.The BTS 80 system with its 3 model variants BTS 80 F (Floor spring for fire and smoke check doors), BTS 80 EMB (with electro-hydraulic hold open), BTS 80 FLB (with free-swing function) and the wide range of accessories allows effective adaptability to various door desingn and -functions. In conjunction with the door-coordinator BSR, a use at double-leaf doors is possible.
Technical Data
Spring strength : Size EN 1–4Standard and external doors : 1100 mm 1400 mmMax. door weight in kg : 300 kgs.
Machine Dimension 
Floor Spring Height :- 60mmFloor Spring Depth :- 78mmFloor Spring Length :- 341mm Floor Spring Weight :- 7.1 Kg. 
Function 
Standard and external doors.Closing speed variable by valve adjustment.Infinien point 90° (optional extra).
For the user
Reliable and fail safe.Closing speed unaffected by changes in temperature.Easy door operation thanks to high mechanical efficiency
Specification text
Minimum floortely variable closing speed in the range 175° – 0°.Second closing range 175° – 15°.Hold-op recess dimension.Rugged construction for door weights up to 120 kg.DORMA quality.  

Additional Information:

• Item Code: 9120751