Lance offset fins are used where higher performance is required, typically more than a square wave fin.
Main uses for lance offset fin are internal fins used in bar and plate coolers but can also be used in tube and fin construction or formed plate and fin construction. Typically, these fins can be designed for performance by changing the material thickness, fin density, lance length, and fin height. Fin thicknesses range from 0.075mm to 0.40mm, fin densities from 4 fins per inch to 32 fins per inch, heights from 1.0mm to 12.0mm and lance lengths from 1.0mm up to 25mm
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