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Langen & Sondermann


Company History
LANGEN & SONDERMANN manufacture springs for railcars since the company was founded in 1922.

Approved by practically all European railway companies, deliver their products to many railway companies and manufacturers of railcars worldwide.

This company were awarded the DIN ISO 9001 certification back in 1994 and is the number one suppliers of DB AG since 1995.

Today, LANGEN & SONDERMANN is the leading manufacturers of springs for railcars in Europe. But LANGEN & SONDERMANN  are not going to rest on their laurels, because standing still means going backwards.

Continuous development, quality awareness and total customer orientation are the most important ingredients of the company’s philosophy. LANGEN & SONDERMANN aim to be still market leaders tomorrow.

Product Range
Coil Springs

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.
References
LANGEN & SONDERMANN clients include major European and international railways such as DB (Germany), SNCF (France), operators in Great Britain, ÖBB (Austria) SJ (Sweden), SBB (Switzerland), Nedtrain (Netherlands), SNCB (Belgium), PKP (Poland), CD (Czech Republic), MAV (Hungary), IR (India) and many others.

Moreover, LANGEN & SONDERMANN furnish SIEMENS TS, BOMBARDIER TRANSPORTATION, ALSTOM TRANSPORT, ANSALDOBREDA, TATRAVAGONKA POPRAD, VOSSLOH, GREENBRIER and many others with steel springs for new vehicles.

References in Portugal:

400 Parabolic Springs for freight wagons build by EMEF (2009)

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