Description
Double Action Floor Hinge
- Adjustable closing speed in the range 175° – 15°.
- Adjustable closing speed in the range 15° – 0°.
- Mechanical backcheck (from approx. 70°).
- Fixed hold-open at 90° or 105° (option).
- Adjustable spring strength (EN 1-4).
Closing speed:
With two independently adjustable closing ranges (175° – 15° and 15° – 0°) the Dorma BTS 75V is ideally adaptable to different structural conditions.
Backcheck:
The integral mechanical backcheck function protects the wall and door from damage caused by excessive vigorous opening.
Fixed hold-open (option)
With the fixed hold-open function the door can be held open at an angle of 90° or 105°, depending on model.
Not suitable for use on Fire doors.
Models:
BTS 75V
Note: with SS cover plate; for doors up to 120kg.)