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Home › Products › Fin Tubes › Internally Finned Tubes
Tube-Tech manufactures internally finned tubes / internally enhanced tubes with
a plain outer diameter and 50 to 70 internal ridges as per the requirement of the
Customer for Direct Expansion Shell and Tube Liquid Coolers. These inner grooved
tubes are also called Dx Tubes Or Evaporator Tubes. These internally enhanced fin
tubes are designed to provide maximum heat transfer with minimum refrigerant side
pressure drop. The inside heat transfer coefficient of these tubes is generally 2 to 3
times greater than coefficient for smooth surface tubes. These internally finned tubes
are available in tube materials Copper UNS C 12200 & 90/10 Cupro Nickel UNS C 70600.
● Internally Finned tubes with wall thickness and internal ridge density other than
mentioned above can be produced on request.
● Internally Finned tubes are produced in straight length up to 6 Meters. Bigger
lengths can be accommodated on request.
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