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Intake Hoses for Raw Air

Air Ducts

Air duct bellows on the raw air side, such as

  • Concertina walls as part of the air duct for decoupling the chassis and cab
  • Integrated plastic bell as a threading aid when folding the driver cab during service
  • with an optional rubber seal for dirt protection
  • Integrated reinforcement against vacuum load

Due to the high airflow rate, an air flow-optimizing inner hose contour is important to keep pressure loss low. This also positively affects the hose's and the concertina wall's acoustic behavior.


Design details

  • Integrated dirt-protection seal
  • Radial reinforcement for high vacuum stress in tight installation spaces
Elastomer Operating temperature
CR -40°C to +100°C (max. 120°C)
EPDM -40°C to +110°C (max. 130°C)
ECO (unleaded) according ELV 2000/53/EG -40°C to +120°C (max. 140°C)
EPDM (peroxid.) -40°C to +150°C (max. 170°C)
AEM -40°C to +160°C (max. 180°C)

Raw air concertina wall for commercial vehicles

Raw air concertina wall for commercial vehicles

Raw air concertina wall for commercial vehicles
MGW