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Thermatool provides a complete range of solid state equipment for inline & offline heating of pipe and tube. Typical applications include heating of tube prior to galvanizing and annealing of refrigeration tube, on the mill line at speeds in excess of 500 feet per minute (153 meter/min.).
Heating inverters for inline galvanizing are generally solid state, medium frequency (10 kHz) units with induction coils constructed such that an inert shielding gas can be introduced for a "bright" heating application.
Heating installations for annealing small diameter tubing (e.g. refrigeration or automotive brake line tubing) use the same inverters as tube welders and operate at frequencies in the order of 150 kHz. On a typical tube line the inverters for both welding and heating would employ the same technology and use components that are interchangeable, thus reducing spare parts inventory. |
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