Type 2 28 FPI Fine-Fin
Type 2
28 FPI Fine-Fin
®
Materials: Austenitic Stainless Steel: 304, 316, 321;
Nickel Alloys: 600, 625, 800, 825;
Duplex Stainless Steel Alloy 2205.
|
28
|
fins per inch
|
|
1102
|
fins per meter
|
|
.035
|
(Inches) average fin height
|
|
.889
|
(mm)
average fin height
|
|
.012
|
(Inches) average fin thickness
|
|
.305
|
(mm)
average fin thickness
|
|
| Part
Number |
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 |
Area
Ratio Ao/Ai |
I.D.
Cross Section Area |
|
(Inches)
|
(Inches)
|
(Inches)
|
(Inches)
|
(Inches)
|
(Inches)
|
(Ft
2
/Ft)
|
(Ft
2
/Ft)
|
|
(Inches
2
)
|
|
(mm)
|
(mm)
|
(mm)
|
(mm)
|
(mm)
|
(mm)
|
(m
2
/m)
|
(m
2
/m)
|
|
(cm
2
)
|
284028
|
.625 |
.049 |
.028 |
.025 |
.555 |
.499 |
.413 |
.131 |
3.153 |
.196 |
|
15.875 |
1.245 |
.711 |
.635 |
14.097 |
12.675 |
.126 |
.040 |
|
1.262 |
284035
|
.625 |
.058 |
.035 |
.031 |
.555 |
.485 |
.413 |
.127 |
3.252 |
.185 |
|
15.875 |
1.473 |
.889 |
.787 |
14.097 |
12.319 |
.126 |
.039 |
|
1.192 |
284042
|
.625 |
.065 |
.042 |
.037 |
.555 |
.471 |
.413 |
.123 |
3.358 |
.174 |
|
15.875 |
1.651 |
1.067 |
.940 |
14.097 |
11.963 |
.126 |
.037 |
|
1.124 |
284049
|
.625 |
.072 |
.049 |
.044 |
.555 |
.457 |
.413 |
.120 |
3.442 |
.164 |
|
15.875 |
1.829 |
1.245 |
1.118 |
14.097 |
11.608 |
.126 |
.037 |
|
1.058 |
284065
|
.625 |
.083 |
.065 |
.058 |
.555 |
.425 |
.413 |
.111 |
3.721 |
.142 |
|
15.875 |
2.108 |
1.651 |
1.473 |
14.097 |
10.795 |
.126 |
.034 |
|
.915 |
 |
285028
|
.750 |
.049 |
.028 |
.025 |
.680 |
.624 |
.501 |
.163 |
3.074 |
.306 |
|
19.050 |
1.245 |
.711 |
.635 |
17
.272 |
15.850 |
.153 |
.050 |
|
1.973 |
285035
|
.750 |
.058 |
.035 |
.031 |
.680 |
.610 |
.501 |
.160 |
3.131 |
.292 |
|
19.050 |
1.473 |
.889 |
.787 |
17.272 |
15.494 |
.153 |
.049 |
|
1.885 |
285042
|
.750 |
.065 |
.042 |
.037 |
.680 |
.596 |
.501 |
.156 |
3.212 |
.279 |
|
19.050 |
1.651 |
1.067 |
.940 |
17.272 |
15.138 |
.153 |
.048 |
|
1.800 |
285049
|
.750 |
.072 |
.049 |
.044 |
.680 |
.582 |
.501 |
.152 |
3.296 |
.266 |
|
19.050 |
1.829 |
1.245 |
1.118 |
17.272 |
14.783 |
.153 |
.046 |
|
1.716 |
285065
|
.750 |
.083 |
.065 |
.058 |
.680 |
.550 |
.501 |
.144 |
3.479 |
.238 |
|
19.050 |
2.108 |
1.651 |
1.473 |
17.272 |
13.970 |
.153 |
.044 |
|
1.533 |
285083
|
.750 |
.109 |
.083 |
.074 |
.680 |
.514 |
.501 |
.135 |
3.711 |
.207 |
|
19.050 |
2.769 |
2.108 |
1.880 |
17.272 |
13.056 |
.153 |
.041 |
|
1.339 |
|
286028
|
.875 |
.049 |
.028 |
.025 |
.805 |
.749 |
.588 |
.196 |
3.000 |
.441 |
|
22.225 |
1.245 |
.711 |
.635 |
20.447 |
19.025 |
.179 |
.060 |
|
2.843 |
286035
|
.875 |
.058 |
.035 |
.031 |
.805 |
.735 |
.588 |
.192 |
3.063 |
.424 |
|
22.225 |
1.473 |
.889 |
.787 |
20.447 |
18.669 |
.179 |
.059 |
|
2.737 |
286042
|
.875 |
.065 |
.042 |
.037 |
.805 |
.721 |
.588 |
.189 |
3.111 |
.408 |
|
22.225 |
1.651 |
1.067 |
.940 |
20.447 |
18.313 |
.179 |
.058 |
|
2.634 |
286049
|
.875 |
.072 |
.049
|
.044 |
.805 |
.707 |
.588 |
.185 |
3.178 |
.393 |
|
22.225 |
1.829 |
1.245 |
1.118 |
20.447 |
17.958 |
.179 |
.056 |
|
2.533 |
286065
|
.875 |
.083 |
.065 |
.058 |
.805 |
.675 |
.588 |
.177 |
3.322 |
.358 |
|
22.225 |
2.108 |
1.651 |
1.473 |
20.447 |
17.145 |
.179 |
.054 |
|
2.309 |
286083
|
.875 |
.109 |
.083 |
.074 |
.805 |
.639 |
.588 |
.167 |
3.521 |
.321 |
|
22.225 |
2.769 |
2.108 |
1.880 |
20.447 |
16.231 |
.179 |
.051 |
|
2.069 |
|
287035
|
1.000 |
.058 |
.035 |
.031 |
.930 |
.860 |
.676 |
.225 |
3.004 |
.581 |
|
25.400 |
1.473 |
.889 |
.787 |
23.622 |
21.844 |
.206 |
.069 |
|
3.748 |
287042
|
1.000 |
.065 |
.042 |
.037 |
.930 |
.846 |
.676 |
.221 |
3.059 |
.562 |
|
25.400 |
1.651 |
1.067 |
.940 |
23.622 |
21.488 |
.206 |
.067 |
|
3.627 |
287049
|
1.000 |
.072 |
.049 |
.044 |
.930 |
.832 |
.676 |
.218 |
3.101 |
.544 |
|
25.400 |
1.829 |
1.245 |
1.118 |
23.622 |
21.133 |
.206 |
.066 |
|
3.508 |
287065
|
1.000 |
.083 |
.065 |
.058 |
.930 |
.800 |
.676 |
.209 |
3.234 |
.503 |
|
25.400 |
2.108 |
1.651 |
1.473 |
23.622 |
20.320 |
.206 |
.064 |
|
3.243 |
287083
|
1.000 |
.109 |
.083 |
.074 |
.930 |
.764 |
.676 |
.200 |
3.380 |
.458 |
|
25.400 |
2.769 |
2.108 |
1.880 |
23.622 |
19.406 |
.206 |
.061 |
|
2.958 |
|
 |
|
D
- Outside Diameter of Plain End |
W
- Wall Thickness of Plain End |
|
D
i
- Inside Diameter of Plain End |
W
f
- Wall Thickness Under Fin |
|
d
r
- Root Diameter |
F
h
- Height of Fin |
|
d
o
- Diameter Over Fins |
F
m
- Mean Fin Thickness |
|
d
i
- Inside Diameter of Fin Section |
|
DEFINITION OF HPT PART NUMBER
Example: 365028
|
|
36: fins per inch
5: root diameter (reference) in eights of a n inch
028: wall thickness under fin in thousands of an inch
|
|
|
