Cooling components are understood as plastic components on and around the radiator. These include water and charge air boxes and mounting plates that image and integrate a large number of functions.

Field of application and function

• Cooling components are installed as individual parts directly on the radiator or on the engine and employed in the car and truck cooling system.
• Directing coolant or air and (as an option) splitting coolant circuits.
• Fixing the radiator in the vehicle and permitting draining of the radiator.
• Fixing attachments (fan shroud, oil cooler, charge air cooler, etc.).
• Minimising vibrations within the package, preventing noise.
• In some cases also available as modular systems that permit short initial installation times and high ease of service.

Application conditions and specific demands

• The operating medium is coolant (water/glycol mixture) or air.
• Has to withstand ambient temperatures between – 40° C and +125° C, and coolant temperatures between – 40° C and max. +135° C. With air up to approx. 195° C (briefly).
• Water and charge air boxes have to withstand pressures up to 2.5 bar.
• Water and charge air boxes have to remain leak-tight over the whole over the service life of the vehicle and at all temperatures and pressure changes.

Materials

• Consists predominantly of heat-resistant and hydrolysis-stabilised polyamide with 30 percent glass fibres (PA 66 GF30); in addition, polyacetal (POM), polyphenylene sulphide (PPS) and polypropylene (PP) are used.