The outer surface of copper tube has spiral fin over 5mm in height. It is suitable for water or vapor heat exchanger.
Outside Diameter: 40mm-60mm
Nominal Wall Thickness: ＞3.0mm
Number of Outer Fin: 5-9 per inch
Number of Inner Groove:
Spiral Angle:
Height of Outer Fin: 5-15mm
Length: Max.2m
High Fin Tube Technical Specification
Fins/Inch
Nominal Inside Diameter
(mm)
Actual Inside Diameter
(mm)
Minimum Wall Under fin
(mm)
Maximun Fin Diameter
(mm)
Minimum Fin Height
(mm)
Nomial Outside Surface Area
(m2/m)
Surface Area Ration Outside to Inside
Weight per Unit Length
(kg/m)
5
12.7
12.85
1.549
36.53
8.89
0.353
8.17
1.469
22.22
22.39
1.549
47.09
9.525
0.521
7.41
2.568
25.4
25.58
1.549
49.23
8.89
0.566
7.04
2.928
7
15.88
16.03
0.991
39.67
9.525
0.527
10.45
1.800
19.05
19.20
1.397
42.88
8.89
0.529
10.5
2.126
22.22
22.38
1.168
47.22
9.525
0.531
10.53
1.934
8
15.88
16.03
1.549
31.75
5.334
0.338
6.71
1.988
22.22
22.38
1.168
47.17
9.525
0.788
11.21
2.643
22.22
22.38
1.549
47.17
9.525
0.790
11.24
3.348
9
12.70
12.85
1.549
36.53
8.890
0.595
14.69
1.875
15.88
16.03
0.991
39.67
9.525
0.665
13.19
1.943
15.88
16.03
1.549
39.67
8.89
2.177
13.18
2.202
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