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Special Lubrication Products

RAILJET Wheel flange lubrication

RAILJET Wheel flange lubrication

When underground trains, trams and railway trains run from one station to the next with a low noise level, this is often due to Railjet, the mobile wheel flange lubrication system of BIJURDELIMON. It reduces to a minimum friction and wear at both wheel flange and rail.

Control system

The BIJURDELIMON wheel flange lubrication system Railjet is provided with an electronic control system, make Siemens, as standard. The drive of the metering pump is possible in three ways:

  • In case of the path-dependent drive, the spraying pulse is initiated via an existing path signal from the vehicle control system or via an additional transmitter. The path intervals between the spraying pulses are programmable and thus freely selectable.
  • The time-dependent drive triggers the spraying pulse after expiration of a programmable pause time.
  • In case of the arc-dependent drive of the metering pump, an inclination angle transmitter triggers the spraying pulse. Here, only the starting wheel flange area is lubricated.

The metering pump can of course also be controlled directly from the vehicle. In this case, the BJURDELIMON control system is not installed.


The lubricant stored in the depressurized tank is sucked in by the metering pump. Through a 2/2 way solenoid valve for the compressed air, the pneumatic metering pump is started automatically. A defined quantity of lubricant is delivered into the compressed air, then carried via the flow divider to the spray nozzles and from there applied onto the wheel flanges. All spray processes are triggered by a freely programmable control system.

  • 5 to 15% saving in driving energy
  • Reduction of wear by up to 80%
  • Cost reduction due to greater reprofiling intervals
  • Preservation of environment by noise attenuation
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