A heat exchanger is made up of metal tubes, which heat up when fuel is burned.” Just as furnace designs differ, so do the designs of heat exchangers. They aren’t always made of metal tubes.

Made from an aluminum alloy using a Laser Powder Bed Fusion (LPBF) machine, the heat exchanger is intended to cool transmission oil on military helicopters by using fuel as the coolant.

KRN Heat Exchanger and Refrigeration (KRN) specializes in manufacturing fin and tube type heat exchangers ... non-ferrous metals such as copper and aluminum. The company customizes heat exchangers ...