Manufacture: This assembly is fed into the triple-spindle finning machine. Three special multi-disc packs extrude the tube into bellow, and then to be annealed into the core tube . Application: Air cooling unit Product coolers - gas, chemicals, petrochemicals, oil etc. Heat exchangers High-efficiency fins for higher temperature applications giving complete and permanent atmospheric corrosion protection of the base tube. 

stainless steel bellow tube