Copper Nickel Finned Tube ,C70600 Low Fin Tube
This intergral low finned tubes are widely used as heat transfer tubes because of their large external surface area and high heat transfer performance compared with a plain tube.
This enhanced surface fin tubes allow our customers to either reduce the size of the heat exchanger or increase its perfornance.
The low finned tubes we manufacture are designed to meet the most efficient and durable thermal performance for the most challenging situations and long lasting service life.
Product Range
• Outside diameter : 12.7 mm(min) ~ 38.1 mm(max)
• Pitch : 19 ~ 36 FPI
• Fin height : 0.7mm ~ 1.588mm
• Length : 20,000mm(Max.)
• Product capacity per month : 150,000 meter
Low Fin tube
The Maximum heat transfer ratio of low finned tubes will be up 2.5 to 3 times to compare with plain bare tubes and also it can be not only reduced the cost for new equipment or retrofitting of old equipments but also save the size or weight of new equipment from the beginning stage of basic design.
• Dt : Outside diameter of plain end
• Df : Diameter over fins
• Dr : Root deameter of finned section
• Di : Inside diameter of finned section
• Tw : Wall thickness of plain section
• Fw : Root wall thickness of finned section
• PL : Plain end length
• FL : Finned section length
• A : Finned section taper length
• LS : Land section length
• TL1, TL2 : Length between plain end and land area
• El : Entire length
Copper Nickel Finned Tube ,C70600 Low Fin Tube
SPECIFICATION
|
Fins/inch
|
(mm)
Nom. dimensions |
(mm)
Plain section dimensions |
(mm)
Finned section dimensions. |
(㎡/m＋10)
Outside surface area |
Out./in
surface area ratio |
㎡×10)
Cross sectional area |
||||
|
Out. dia. |
Wall
thickness |
(Do)
Out. dia. |
(Tw)
Wall thickness |
(Df)
Out.dia. |
(Df)
Root dia. |
(Fw)
Wall thickness |
||||
|
19
|
12.7
|
0.81
|
–
|
1.24
|
–
|
0.71
|
9.75
|
4.79
|
0.49
|
|
|
1.07
|
12.7
|
1.47
|
12.7＋0.-04
|
9.53
|
0.94
|
5.13
|
0.43
|
|||
|
1.24
|
–
|
1.65
|
–
|
–
|
1.12
|
6.38
|
0.30
|
|||
|
15.88
|
0.71
|
–
|
1.07
|
–
|
–
|
0.64
|
12.34
|
3.48
|
1.00
|
|
|
0.89
|
–
|
1.32
|
–
|
–
|
0.79
|
3.60
|
0.94
|
|||
|
1.07
|
15.88
|
1.47
|
15.88＋0.-04
|
12.7
|
0.94
|
3.72
|
0.88
|
|||
|
1.24
|
–
|
1.65
|
–
|
–
|
1.12
|
3.85
|
0.82
|
|||
|
1.65
|
–
|
2.11
|
–
|
–
|
1.47
|
4.18
|
0.70
|
|||
|
19.05
|
0.71
|
19.05
|
1.24
|
–
|
–
|
0.64
|
15.12
|
3.33
|
1.64
|
|
|
0.89
|
1.32
|
–
|
–
|
0.79
|
3.41
|
1.56
|
||||
|
1.07
|
–
|
1.47
|
19.05＋0.-04
|
15.88
|
0.94
|
3.50
|
1.48
|
|||
|
1.24
|
–
|
1.65
|
–
|
–
|
1.12
|
3.60
|
1.41
|
|||
|
1.65
|
–
|
2.11
|
–
|
–
|
1.47
|
3.84
|
1.24
|
|||
|
2.11
|
–
|
2.41
|
–
|
–
|
1.88
|
4.13
|
1.07
|
|||
|
26
|
12.7
|
0.81
|
–
|
1.42
|
–
|
–
|
0.71
|
11.91
|
4.79
|
0.43
|
|
1.07
|
12.7
|
1.68
|
12.7＋0.-04
|
9.53
|
0.92
|
5.13
|
0.43
|
|||
|
1.24
|
–
|
1.88
|
–
|
–
|
1.12
|
6.38
|
0.39
|
|||
|
15.88
|
0.71
|
–
|
1.25
|
–
|
0.60
|
0.60
|
15.34
|
4.30
|
0.97
|
|
|
0.89
|
15.88
|
1.42
|
15.88＋0.-04
|
12.7
|
0.79
|
4.47
|
0.94
|
|||
|
1.07
|
–
|
1.68
|
–
|
–
|
0.94
|
4.63
|
0.89
|
|||
|
1.24
|
–
|
1.88
|
–
|
–
|
1.12
|
4.78
|
0.82
|
|||
|
19.05
|
0.81
|
–
|
1.42
|
–
|
–
|
0.70
|
18.79
|
4.37
|
1.65
|
|
|
0.89
|
–
|
1.50
|
–
|
–
|
0.79
|
4.24
|
1.56
|
|||
|
1.07
|
–
|
1.68
|
19.05＋0.-04
|
15.88
|
0.94
|
4.36
|
1.48
|
|||
|
1.24
|
19.05
|
1.88
|
—
|
—
|
1.10
|
4.47
|
1.41
|
|||
|
1.47
|
–
|
2.11
|
–
|
—
|
1.25
|
4.37
|
1.35
|
|||
|
1.65
|
–
|
2.28
|
–
|
—
|
1.47
|
4.28
|
1.30
|
|||
|
1.83
|
–
|
2.44
|
—
|
—
|
1.65
|
4.20
|
1.26
|
|||
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