
bf series
The two basic types of the BF series differ in the design of the counter-brake shoes. For type 2, the counter-brake shoe side is equipped with two additional sintered metal brake shoes. This design feature allows higher loads and higher tripping speeds in the same space.
BF Type 1
Recommended for standard use,
reliable since 1996!
Maximum nominal speed (drawn): 1.6 – 1.88 m/s
Maximum nominal speed (machined): 2.0 – 2.28 m/s
Guide rail width (minimum): 20 mm
Guide rail thickness: 9 – 30 mm
BF TYPE 1: Standard
Downwards: BF1D-1
Bi-directional: BF2D-1
Progressive safety gear (downwards)
Total mass: 530kg (min) – 2,633kg (max)
—
Protection against overspeed (upwards)
Brake force: 8,322 N (min) – 41,330 N (max)
—
Protection against unintended car movement (UCM)
Maximum tripping speed: 2.20 m/s
Brake force: 8,322 N (min) – 41,330 N (max)
—
BF Type 1: Tandem
Downwards: BF1D-1/BF1D-1
Bi-directional: BF2D-1/BF1D-1
Progressive safety gear (downwards)
Total mass: 1,060 kg (min) – 5,260 kg (max)
—
Protection against overspeed (upwards)
Brake force: 8,322 N (min) – 41,330 N (max)
—
Protection against unintended car movement (UCM)
Maximum tripping speed: 2,20 m/s
Brake force: 8,322 N (min) – 41,330 N (max)
—
BF TYPE 2
Recommended for higher loads and speeds
as well as for drawn guide rails in modernization
Maximum nominal speed (drawn): 2.0 – 2.29 m/s
Maximum nominal speed (machined): 2.50 – 2.81 m/s
Guide rail width (minmum): 20 mm
Guide rail thickness: 9 – 30 mm
BF Type 2: Standard

Downwards: BF1D-2
Bi-directional: BF2D-2
Progressive safety gear (downwards)
Total mass: 810kg (min) – 4,010kg (max)
(depending on guide rail type)
Protection against overspeed (upwards)
Brake force: 12,628 N (min) – 63,042 N (max)
(depending on guide rail type)
Protection against unintended car movement (UCM)
Maximum tripping speed: 2.20 m/s
Brake force: 12,628 N (min) – 63,042 N (max)
(depending on guide rail type)
BF Type 2: Tandem

Downwards: BF1D-2/BF1D-2
Bi-directional: BF2D-2/BF1D-2
Progressive safety gear (downwards)
Total mass: 1,610kg (min) – 8,030kg (max)
(depending on guide rail type)
Protection against overspeed (upwards)
Brake force: 25,256 N (min) – 126,084 N (max)
(depending on guide rail type)
Protection against unintended car movement (UCM)
Maximum tripping device: 2.20 m/s
Brake force: 25,256 N (min) – 126,084 N (max)
(depending on guide rail type)
BF Type 2: Triple

Downwards: BF1D-2/BF1D-2/BF1D-2
Bi-directional: BF2D-2/BF2D-2/BF1D-2
Progressive safety gear (downwards)
Total mass: 2,430kg (min) – 12,030kg (max)
(depending on guide rail type)
Protection against overspeed (upwards)
Brake force: 37,884 N (min) – 189,126 N (max)
(depending on guide rail type)
Protection against unintended car movement (UCM)
Maximum tripping device: 2.20 m/s
Brake force: 37,884 N (min) – 189,126 N (max)
(depending on guide rail type)