Finned Tube----Copper & Copper Alloy High Fin Tube
The Copper & Copper alloy high finned tube is integrally extended for the maximum surface area to achieve high tube efficiency.
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.
• 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
• 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 |
|
Key Words: Fin Tube, Finned Tube, High Fin Tube, Copper Alloy High Fin Tube