Double Convolution Bellows

Suspension systems for the bogie

Double Convolution Bellows

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Double Convolution Bellows

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Double Convolution Bellows

As an elastic link between the bogie  and railcar body, rolling bellows distance the railcar body to the platform and absorb track irregularities by minimising the transmission of vibrations.

Features & Benefits

  • Heigh load bearing
  • Simple solution
  • Limited degree of lateral deflection

Technical Specifications

  • Diameter: ~ø340-630mm
  • Vertical loads: up to 160kN
  • Lateral deflection: up to ±40mm
  • Operating pressure range: 2-7bar
  • Operating temperature: -45°C (-50°C) up to +65°C (+70°C)
  • EN 45545  (fire& smoke protected) possible