Special internally cleaned coiled copper tubes can also be obtained from Wieland on request. They are available in external diameters of 6.35 to 18 mm. This is achieved via a constant flushing process of the copper tubes with nitrogen during the annealing procedure. Evaporating drawing oil remnants are thereby pressed out of the tubes.
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superclean® – quality coiled branded copper tubes
- superclean® tubes conform to the highest cleanliness requirements in the air-conditioning industry.
- superclean® tubes contain a maximum 0.1 mg/m of permissible potential carbon in the tube interior.
- superclean® tubes therefore fall well within the cleanliness requirements in the current international standards for refrigeration tubes.
- superclean® quality considerably improves the soldering characteristics (soldering of U-bends).
- superclean® quality is available for smooth tubes as well as internally finned copper tubes.