Finned Tube Data
Below is our standard fin tube maximum ranges. If you have a requirement outside of these ranges please contact us with this requirement.
Note: Not all Max Fin Heights and Max FPI can be combined***
Edge Wound Fin (I-fin)
|
|
Tube Size
|
Max Fin Height
|
Max FPI
|
Max Temperature
|
|
1/4"
|
0.1875
|
18
|
|
|
3/8"
|
0.3125
|
18
|
250 degrees F for Alum, Cu, & S.S. fins - 350 degrees F for Carbon Steel fins
|
|
1/2"
|
0.375
|
16
|
|
5/8"
|
0.4375
|
16
|
|
3/4"
|
0.5
|
14
|
|
7/8"
|
0.5
|
14
|
|
|
1"
|
0.625
|
12
|
|
|
1.25"
|
0.625
|
10
|
|
|
1.5"
|
0.75
|
10
|
|
|
|
|
|
|
|
|
|
Imbedded (G-Fin)
|
|
Tube Size
|
Max Fin Height
|
Max FPI
|
Max Temperature
|
|
5/8"
|
0.4375
|
11 FPI for AL, Cu - 10 FPI for Carbon Steel
|
650 degrees F for Alum & Cu fins- 1000 degrees F for Carbon Steel fins
|
|
3/4"
|
0.5
|
|
1"
|
0.625
|
|
1.25"
|
0.625
|
|
|
1.5"
|
0.625
|
|
|
|
|
|
|
|
|
|
Shoulder Tension "L-Footed" Fin
|
|
Tube Size
|
Max Fin Height
|
Max FPI
|
Max Temperature
|
|
5/8"
|
0.4375
|
14
|
|
|
3/4"
|
0.5
|
14
|
|
|
1"
|
0.625
|
12
|
350- 450 degrees F
|
|
1.25"
|
0.625
|
12
|
|
|
1.5"
|
0.625
|
12
|
|
|
|
|
|
|
|
|
|
Brazed Edge Wound Fin (I-fin)
|
|
Tube Size
|
Max Fin Height
|
Max FPI
|
Max Temperature
|
|
1/4"
|
0.1875
|
18
|
|
|
3/8"
|
0.3125
|
18
|
|
|
1/2"
|
0.375
|
16
|
|
|
5/8"
|
0.4375
|
16
|
|
|
3/4"
|
0.5
|
14
|
1500 degrees F
|
|
7/8"
|
0.5
|
14
|
|
|
1"
|
0.625
|
12
|
|
|
1.25"
|
0.625
|
10
|
|
|
1.5"
|
0.75
|
10
|
|