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METALCO offers different finned tubes: tension wound finned tubes, copper fin tubes, embedded finned tubes, extruded finned and low finned tubes. Tension would finned tubes are formed by winding a strip made of aluminum or copper around the tube under tension. The strip winding technology provides different types of fins: L-fin, LL fin, KL fin.
Embedded fins (G fins) are made by winding aluminum or copper strip into a helical groove machined on the outer surface of the tube. Extruded finned tubes are bimetallic tubes whose outer aluminum surface is finned by cold plastic deformation
Low finned tube is a finned tube obtained through plastic cold deformation. The method consists in realizing from a smooth tube, dins with a particular geomantic form without removing material; this plastic deformation causes an increment of heat exchange efficiency and allows to reduce the heat exchanger size.
The finned tubes quality is assured by hydrostatic and pneumatic tests.Brass, Copper-Nickel & Copper
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