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Round tubes as collectors for mobile and stationary air conditioning

Not long ago, only high-end vehicles were fitted with air conditioning systems. Today, AC is standard in almost all vehicles. Not only has the quantity changed significantly, the application itself has also undergone several modifications.


Just as in the cooling of charge air, environmental laws focus on “green” technologies, resulting in industry-wide R&D on alternative coolants such as ammonia or CO2, demanding higher-pressure systems. Our thick-walled round tubes are used in condensers, evaporators and heaters, both in traditional or new innovative designs.

We can deliver in short lengths or long tubes, either round or D-shaped, as plain tubes or ready-to-use including slots, drill holes, baffles and welded-on connection blocks. Responding to the growing number of electric and hybrid vehicles, our newest development shows length-wise slots for use as collectors for contact battery coolers.

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