Raw-/clean air lines & ducts

  • Clean Air Duct

    Clean Air Duct Blow molding part with convoluted duct

  • Clean Air Line

    Clean Air Line, S-shaped pre-assembled hose clamp and temperature sensor integrated cable brackets

Raw-/ clean air lines & ducts

ContiTech air ducts are used for both the dirty air side (in front of the air filter) and the clean air side. Depending on the filter system used, the clean air duct must withstand vacuum pressure of up –180 mbar (i.e. 820 mbar absolute) without collapsing.

If the air duct is located directly between air filter and turbo-charger, then at the turbocharger side a high temperature resistance is required. Due to the high rate of air−low a smooth and streamlined inner hose design is required, to minimize pressure loss. This also has a positive efect to the acoustic behaviour of the hose. 

ContiTech has developed a convolution design that not only gives excellent flexibility for the hose , but also meets the requirements for vacuum resistance in service. The target of this development was, to meet the right balance between the weight of the hose on the one hand and compliance with the requirements on the other one.

Technical specifications

Working temperatures:
  • For CR: –40°C to +100°C (max. +120°C)
  • For EPDM: –40°C to +110°C (max. +130°C)
  • For ECO (unleaded): –40°C to +120°C (max. +140°C)*
  • For EPDM (peroxid.): –40°C to +150°C (max. +170°C)
  • For AEM: –35°C to +160°C (max. +180°C)
* according ELV 2000/53/EG

Permissible vacuum load:
Up to –180 mbar (i.e. 820 mbar absolute) at working temperature for injection moulded part without rein-forcement. By adding strengthening features the vacuum resistance can be increased.

Media Resistance:
The resistance to  UV light, ozone and / or chemical agents corresponds to the properties of the individual elastomers.

Benefits Raw-/ clean air lines

  • Air intake hoses diesel and petrol engines
  • Socket for temperature sensor/ pressure
  • Soundprooing features (e.g. steel rings),noise damping
  • Flexibility and vacuum stability through convolutions and ribs
  • The right material for ervery range of temperatures

 

 

Raw-/clean air supply - Contact form




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