Class 2500 Standard Connection Flange
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| Class 2500 - Standard Connection Specifications |
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| Size |
Flange |
Barrel OD |
Bolting |
Nut |
Stud Bolt |
Weights |
Length |
| Nom |
Bore LWN & E |
Bore HB |
OD |
Thk |
RF of OD |
LWN |
HB |
E |
# of Holes |
Hole Size |
Bolt Circle |
Stop Dia |
Relief Dia |
Relief Length |
Size |
RF Length |
RTJ Length |
LWN |
HB |
E |
Base |
| |
B |
B |
O |
T |
R |
D |
D |
D |
|
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C |
NS |
NR |
NL |
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|
Base |
Per 1" |
Base |
Per 1" |
Base |
Per 1" |
L |
| 1/2 |
0.50 |
0.55 |
5.25 |
1.19 |
1.38 |
1.81 |
2.25 |
5.25 |
4 |
0.88 |
3.50 |
2.25 |
1.81 |
1.00 |
3/4 |
4 3/4 |
4 3/4 |
11 |
0.7 |
14 |
1.1 |
45 |
6.1 |
9 |
| 3/4 |
0.75 |
0.74 |
5.50 |
1.25 |
1.69 |
2.06 |
2.50 |
5.50 |
4 |
0.88 |
3.75 |
2.50 |
2.06 |
1.00 |
3/4 |
5 |
5 |
13 |
0.8 |
17 |
1.3 |
49 |
6.6 |
9 |
| 1 |
1.00 |
0.96 |
6.25 |
1.38 |
2.00 |
2.25 |
2.81 |
6.25 |
4 |
1.00 |
4.25 |
2.81 |
2.25 |
1.12 |
7/8 |
5 1/2 |
5 1/2 |
18 |
0.9 |
22 |
1.6 |
62 |
8.5 |
9 |
| 1 1/4 |
1.25 |
1.28 |
7.25 |
1.50 |
2.50 |
2.88 |
3.50 |
7.25 |
4 |
1.12 |
5.12 |
3.50 |
2.88 |
1.25 |
1 |
6 |
6 |
27 |
1.5 |
32 |
2.4 |
84 |
11 |
9 |
| 1 1/2 |
1.50 |
1.50 |
8.00 |
1.75 |
2.88 |
3.12 |
3.94 |
8.00 |
4 |
1.25 |
5.75 |
3.94 |
3.12 |
1.38 |
1 1/8 |
6 3/4 |
6 3/4 |
33 |
1.7 |
42 |
3 |
94 |
14 |
9 |
| 2 |
2.00 |
1.94 |
9.25 |
2.00 |
3.62 |
3.75 |
5.12 |
9.25 |
8 |
1.12 |
6.75 |
5.12 |
3.75 |
1.25 |
1 |
7 |
7 |
48 |
2.2 |
66 |
5 |
131 |
18 |
9 |
| 2 1/2 |
2.50 |
2.32 |
10.50 |
2.25 |
4.12 |
4.50 |
5.94 |
10.50 |
8 |
1.25 |
7.75 |
5.94 |
4.50 |
1.38 |
1 1/8 |
7 3/4 |
8 |
66 |
3.1 |
90 |
6.7 |
165 |
23 |
9 |
| 3 |
3.00 |
2.90 |
12.00 |
2.62 |
5.00 |
5.25 |
7.00 |
12.00 |
8 |
1.38 |
9.00 |
7.00 |
5.25 |
1.50 |
1 1/4 |
8 3/4 |
9 |
97 |
4.1 |
127 |
9 |
210 |
30 |
9 |
| 4 |
4.00 |
3.83 |
14.00 |
3.00 |
6.19 |
6.50 |
8.38 |
14.00 |
8 |
1.62 |
10.75 |
8.38 |
6.50 |
1.75 |
1 1/2 |
10 |
10 1/4 |
159 |
5.8 |
218 |
12 |
391 |
40 |
12 |
| 5 |
5.00 |
4.81 |
16.50 |
3.62 |
7.31 |
8.00 |
10.00 |
16.50 |
8 |
1.88 |
12.75 |
10.00 |
8.00 |
2.00 |
1 3/4 |
11 3/4 |
12 1/4 |
248 |
8.7 |
319 |
17 |
518 |
55 |
12 |
| 6 |
6.00 |
5.76 |
19.00 |
4.25 |
8.50 |
9.25 |
11.38 |
19.00 |
8 |
2.12 |
14.50 |
11.38 |
9.25 |
2.25 |
2 |
13 1/2 |
14 |
358 |
11 |
441 |
21 |
641 |
73 |
12 |
| 8 |
8.00 |
7.62 |
21.75 |
5.00 |
10.62 |
12.00 |
14.12 |
21.75 |
12 |
2.12 |
17.25 |
14.12 |
12.00 |
2.25 |
2 |
15 |
15 1/2 |
589 |
18 |
743 |
31 |
1167 |
92 |
16 |
| 10 |
10.00 |
9.56 |
### |
6.50 |
12.75 |
14.75 |
17.38 |
### |
12 |
2.62 |
21.25 |
17.38 |
14.75 |
2.75 |
2 1/2 |
19 1/4 |
20 |
997 |
26 |
1202 |
47 |
1625 |
134 |
16 |
| 12 |
12.00 |
11.38 |
### |
7.25 |
15.00 |
17.38 |
20.12 |
### |
12 |
2.88 |
24.38 |
20.12 |
17.38 |
3.00 |
2 3/4 |
21 1/4 |
22 |
1363 |
35 |
1609 |
61 |
1995 |
168 |
16 |
| Dimensions are in inches. Weights are in pounds. |
Class 2500 Standard Connection Flange PDF (for printing).
Texas FLANGE Sales Office 800-826-3801