These high quality products provide a maintenance free superb operation until the next planned major overhaul of the bogies.
After this time, and depending on the configuration, the product can be replaced by a new damper, or be overhauled in a specialized workshop.
The production line for these dampers makes use of the latest production technologies, which results in a high level of automation and the elimination of unnecessary handling.
Due to the smart damper design and the efficient manufacturing process, we are able to offer these dampers at very attractive price levels.
These dampers are optimized to achieve the lowest possible initial purchase price without compromising the quality of the product.
Working Principles
The KONI Sealed dampers operate according a two-direction oil flow through the piston. The construction of the damper is such that the damping forces during the extension and compression stroke are symmetrical.
During the extension stroke the damping is performed by a valve stack below the piston, while during the compression stroke the valve stack on top of the piston creates the desired damping forces.
The dampers are provided with a blow-off at higher damper speeds. This blow-off limits the maximum forces created by severe track conditions.
This feature results in increased passenger comfort and protects both the damper as well as the vehicle brackets from excessive forces.
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| Orifice damping at low damper speeds |
Main valve damping at
medium damper speeds
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Blow-off at high damper speeds |
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