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26 FPI Low Fin Tubes FineFin® / Smooth Bore
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Results 1  21 of 21
1
Item #
Plain Section Average Diameter
Plain Section Average Wall
Wall Under Fin Average
Wall Under Fin Minimum
Nominal Root Diameter
Fin Section I.D.
Outside Area Ao
Inside Area Ai
264035
.625
in
15.875
mm
.058
in
1.473
mm
.035
in
.889
mm
.031
in
.787
mm
.527
in
13.386
mm
.457
in
11.608
mm
.492
ft²/ft
.150
m²/m
.120
ft²/ft
.037
m²/m
264042
.625
in
15.875
mm
.065
in
1.651
mm
.042
in
1.067
mm
.037
in
.940
mm
.527
in
13.386
mm
.443
in
11.252
mm
.492
ft²/ft
.150
m²/m
.116
ft²/ft
.035
m²/m
264049
.625
in
15.875
mm
.072
in
1.829
mm
.049
in
1.245
mm
.044
in
1.118
mm
.527
in
13.386
mm
.429
in
10.897
mm
.492
ft²/ft
.150
m²/m
.112
ft²/ft
.034
m²/m
264065
.625
in
15.875
mm
.083
in
2.108
mm
.065
in
1.651
mm
.058
in
1.473
mm
.527
in
13.386
mm
.397
in
10.084
mm
.492
ft²/ft
.150
m²/m
.104
ft²/ft
.032
m²/m
265028
.750
in
19.050
mm
.049
in
1.245
mm
.028
in
.711
mm
.025
in
.635
mm
.652
in
16.561
mm
.596
in
15.138
mm
.596
ft²/ft
.182
m²/m
.156
ft²/ft
.048
m²/m
265035
.750
in
19.050
mm
.058
in
1.473
mm
.035
in
.889
mm
.031
in
.787
mm
.652
in
16.561
mm
.582
in
14.783
mm
.596
ft²/ft
.182
m²/m
.152
ft²/ft
.046
m²/m
265042
.750
in
19.050
mm
.065
in
1.651
mm
.042
in
1.067
mm
.037
in
.940
mm
.652
in
16.561
mm
.568
in
14.427
mm
.596
ft²/ft
.182
m²/m
.149
ft²/ft
.045
m²/m
265049
.750
in
19.050
mm
.072
in
1.829
mm
.049
in
1.245
mm
.044
in
1.118
mm
.652
in
16.561
mm
.554
in
14.072
mm
.596
ft²/ft
.182
m²/m
.145
ft²/ft
.044
m²/m
265065
.750
in
19.050
mm
.083
in
2.108
mm
.065
in
1.651
mm
.058
in
1.473
mm
.652
in
16.561
mm
.522
in
13.259
mm
.596
ft²/ft
.182
m²/m
.137
ft²/ft
.042
m²/m
265083
.750
in
19.050
mm
.109
in
2.769
mm
.083
in
2.108
mm
.074
in
1.880
mm
.652
in
16.561
mm
.486
in
12.344
mm
.596
ft²/ft
.182
m²/m
.127
ft²/ft
.039
m²/m
266028
.875
in
22.225
mm
.049
in
1.245
mm
.028
in
.711
mm
.025
in
.635
mm
.777
in
19.736
mm
.721
in
18.313
mm
.704
ft²/ft
.215
m²/m
.189
ft²/ft
.058
m²/m
266035
.875
in
22.225
mm
.058
in
1.473
mm
.035
in
.889
mm
.031
in
.787
mm
.936
in
19.736
mm
.707
in
17.958
mm
.704
ft²/ft
.215
m²/m
.185
ft²/ft
.056
m²/m
266042
.875
in
22.225
mm
.065
in
1.651
mm
.042
in
1.067
mm
.037
in
.940
mm
.936
in
19.736
mm
.693
in
17.602
mm
.704
ft²/ft
.215
m²/m
.181
ft²/ft
.055
m²/m
266049
.875
in
22.225
mm
.072
in
1.829
mm
.049
in
1.245
mm
.044
in
1.118
mm
.936
in
19.736
mm
.679
in
17.247
mm
.704
ft²/ft
.215
m²/m
.178
ft²/ft
.054
m²/m
266065
.875
in
22.225
mm
.083
in
2.108
mm
.065
in
1.651
mm
.058
in
1.473
mm
.936
in
19.736
mm
.647
in
16.434
mm
.704
ft²/ft
.215
m²/m
.169
ft²/ft
.052
m²/m
266083
.875
in
22.225
mm
.109
in
2.769
mm
.083
in
2.108
mm
.074
in
1.880
mm
.936
in
19.736
mm
.611
in
15.519
mm
.704
ft²/ft
.215
m²/m
.160
ft²/ft
.049
m²/m
267035
1.000
in
25.400
mm
.058
in
1.473
mm
.035
in
.889
mm
.031
in
.787
mm
.902
in
22.911
mm
.832
in
21.133
mm
.811
ft²/ft
.247
m²/m
.218
ft²/ft
.066
m²/m
267042
1.000
in
25.400
mm
.065
in
1.651
mm
.042
in
1.067
mm
.037
in
.940
mm
.902
in
22.911
mm
.818
in
20.777
mm
.811
ft²/ft
.247
m²/m
.214
ft²/ft
.065
m²/m
267049
1.000
in
25.400
mm
.072
in
1.829
mm
.049
in
1.245
mm
.044
in
1.118
mm
.902
in
22.911
mm
.804
in
20.422
mm
.811
ft²/ft
.247
m²/m
.210
ft²/ft
.064
m²/m
267065
1.000
in
25.400
mm
.083
in
2.108
mm
.065
in
1.651
mm
.058
in
1.473
mm
.902
in
22.911
mm
.772
in
19.609
mm
.811
ft²/ft
.247
m²/m
.202
ft²/ft
.062
m²/m
267083
1.000
in
25.400
mm
.109
in
2.769
mm
.083
in
2.108
mm
.074
in
1.880
mm
.902
in
22.911
mm
.736
in
18.694
mm
.811
ft²/ft
.247
m²/m
0.193
ft²/ft
.059
m²/m
Results 1  21 of 21
1
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