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Dorma Floor Hinges BTS 75V

Double Action Floor Hinge

  1. Adjustable closing speed in the range 175° – 15°.
  2. Adjustable closing speed in the range 15° – 0°.
  3. Mechanical backcheck (from approx. 70°).
  4. Fixed hold-open at 90° or 105° (option).
  5. 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.)

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Description

Double Action Floor Hinge

  1. Adjustable closing speed in the range 175° – 15°.
  2. Adjustable closing speed in the range 15° – 0°.
  3. Mechanical backcheck (from approx. 70°).
  4. Fixed hold-open at 90° or 105° (option).
  5. 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.)