LANGEN & SONDERMANN manufacture coil springs using rods of up to 80mm diameter, up to 8200mm length and the springs have a maximum overall diameter of up to 450mm. Whether twisting left or right, rolled out or ground directly from the rod, with linear or progressive characteristic – nothing is impossible.
A vast multitude of thousands of different types meets the requirementsof a wide range of applications, with new additions every day. Be it for locomotives, goods wagons, rail carriages, railcars, trams or high-speed trains such as ICE and TGV - LANGEN & SONDERMANN provide the right springs for all kind of rail vehicles.
One example of the company strength in innovation is their patented TKS®-spring, a special design of a coil spring, featuring a progressive characteristic line with minimal installation-space requirement, and providing in addition to driving comfort an optimal derailment safety feature.
Parabolic and Trapezoidal Springs
Trapezoidal springs and the modern parabolic springs, made by LANGEN & SONDERMANN, are well proven spring elements for goods wagons all over Europe and beyond – in many dimensions and special designs!
If you should ever get the impression that there is nothing in the extensive range that meets your special needs, LANGEN & SONDERMANN will react – as flexible as their springs – with a customised solution, made to measure for your vehicle.