For railway vehicles

Kraftler’s polymer springs have high energy absorption that don’t require any maintenance for an extended life of your equipment. Superior performance in temperatures range from -60°C to +60°C. All products have an excellent resistance to chemicals, grease, oils, solvents, and abrasive environments.

The polymer springs, shown at the table below, are used in buffers, draw-gears, and in others railway devices.
Name Energy absorption Damping Pre-tension force Max. end force Stroke Pad diameter at full stroke
KT-35 > 35 kJ > 51 % ≥ 14 kN ≤ 760 kN ≤ 105 mm 170 ± 2 mm
KT-40 > 40 kJ > 55 % ≥ 17 kN ≤ 870 kN ≤ 105 mm 168 ± 2 mm
TCK 135.16.000 > 30 kJ > 50 % ≥ 150 kN ≤ 1300 kN ≤ 55 mm 200 ± 3 mm
120.135.60.23 > 23 kJ > 48 % ≥ 22 kN ≤ 1350 kN ≤ 60 mm 200 ± 3 mm
160.117.60.22 > 22 kJ > 40 % ≥ 52 kN ≤ 1170 kN ≤ 60 mm 200 ± 3 mm
282.110.80.25 > 25 kJ > 40 % ≥ 72 kN ≤ 1100 kN ≤ 80 mm 205 ± 1 mm
282.110.80.26 > 26 kJ > 40 % ≥ 73 kN ≤ 1100 kN ≤ 80 mm 205 ± 1 mm