Copper & Copper Alloy High Fin
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Copper & Copper Alloy High Fin
These Copper & Copper alloy high finned tube is intergrally extexded for the maximum surface area to achieve hight tube effciency.
A good finned tube can be made by the strict conditions such as copper density, grain size and hardness.
The heat transfer ratio of this high finned tube is about 8~9 times higher than other plain copper tube.
Copper high finning work(Extruded)
Cu-Ni & Copper high fin tube(Extruded)
- • Dr : Outside diamefer of bare tube
- • Df : Out diameter of finned section
- • Di : Inside diameter
- • Pt : Fin pitch
- • Ht : Fin height
- • Fw : Wall thickness of fin section
- • L : Finned tube length
Product Range
- • Bare tube diameter : 19mm ~ 25mm
- • Pitch : 5 ~ 9 FPI
- • Fin height : 7mm ~ 11mm
- • Length : 10,000mm(Max.)
| Item | Fins/ Inch |
Nominal dimensions(mm) | Finned section dimensions(mm) | Outsurfac earea (m2/m) |
Surface area ratio out. To in. | Insidecros ssectionalarea (mm2) |
||||
| Inside diameter | Wall thickness | Actual inside diameter | Wall thickness(Min.) | Fin diameter (Min.) | Root diameter (Min.) | |||||
| High finned tube | 7 | 15.88 | 1.651 | 16.03 | 88 | 1.549 | 19.05 | 0.536 | 10.62 | 201.7 |
| 22.23 | 1.651 | 22.38 | 88 | 1.549 | 25.40 | 0.713 | 10.13 | 393.5 | ||
| 8 | 22.23 | 1.651 | 22.38 | 88 | 1.549 | 25.40 | 0.790 | 11.24 | 393.2 | |
| 9 | 15.88 | 1.651 | 16.03 | 88 | 1.549 | 19.05 | 0.664 | 13.18 | 201.7 | |
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