Class 300 Standard Connection Flanges
 |
 |
| Class 300 - Standard Connection Specifications |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 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 |
|
|
C |
NS |
NR |
NL |
|
|
|
Base |
Per 1" |
Base |
Per 1" |
Base |
Per 1" |
L |
| 1/2 |
0.50 |
0.55 |
3.75 |
0.56 |
1.38 |
1.50 |
1.75 |
3.75 |
4 |
0.62 |
2.62 |
1.75 |
1.50 |
0.75 |
1/2 |
2 1/2 |
3 |
5 |
0.4 |
7 |
0.6 |
24 |
3.1 |
9 |
| 3/4 |
0.75 |
0.74 |
4.62 |
0.62 |
1.69 |
1.88 |
2.19 |
4.62 |
4 |
0.75 |
3.25 |
2.19 |
1.88 |
0.88 |
5/8 |
3 |
3 1/2 |
9 |
0.7 |
11 |
0.9 |
37 |
4.6 |
9 |
| 1 |
1.00 |
0.96 |
4.88 |
0.69 |
2.00 |
2.12 |
2.44 |
4.88 |
4 |
0.75 |
3.50 |
2.44 |
2.12 |
0.88 |
5/8 |
3 1/4 |
3 1/2 |
9 |
0.8 |
12 |
1.1 |
40 |
5.1 |
9 |
| 1 1/4 |
1.25 |
1.28 |
5.25 |
0.75 |
2.50 |
2.50 |
2.81 |
5.25 |
4 |
0.75 |
3.88 |
2.81 |
2.50 |
0.88 |
5/8 |
3 1/4 |
3 3/4 |
13 |
1 |
15 |
1.4 |
45 |
5.8 |
9 |
| 1 1/2 |
1.50 |
1.50 |
6.12 |
0.81 |
2.88 |
2.75 |
3.25 |
6.12 |
4 |
0.88 |
4.50 |
3.25 |
2.75 |
1.00 |
3/4 |
3 1/2 |
4 |
15 |
1.2 |
21 |
1.9 |
61 |
7.8 |
9 |
| 2 |
2.00 |
1.94 |
6.50 |
0.88 |
3.62 |
3.31 |
3.94 |
6.50 |
8 |
0.75 |
5.00 |
3.94 |
3.31 |
0.88 |
5/8 |
3 1/2 |
4 1/4 |
20 |
1.5 |
28 |
2.6 |
68 |
8.5 |
9 |
| 2 1/2 |
2.50 |
2.32 |
7.50 |
1.00 |
4.12 |
3.94 |
4.62 |
7.50 |
8 |
0.88 |
5.88 |
4.62 |
3.94 |
1.00 |
3/4 |
4 |
4 1/2 |
25 |
2.1 |
38 |
3.6 |
89 |
11 |
9 |
| 3 |
3.00 |
2.90 |
8.25 |
1.12 |
5.00 |
4.62 |
5.38 |
8.25 |
8 |
0.88 |
6.62 |
5.38 |
4.62 |
1.00 |
3/4 |
4 1/4 |
5 |
35 |
2.7 |
49 |
4.6 |
106 |
13 |
9 |
| 3 1/2 |
3.50 |
3.36 |
9.00 |
1.19 |
5.50 |
5.25 |
6.00 |
9.00 |
8 |
0.88 |
7.25 |
6.00 |
5.25 |
1.00 |
3/4 |
4 1/4 |
5 |
42 |
3.4 |
59 |
5.5 |
122 |
15 |
9 |
| 4 |
4.00 |
3.83 |
10.00 |
1.25 |
6.19 |
5.75 |
6.62 |
10.00 |
8 |
0.88 |
7.88 |
6.62 |
5.75 |
1.00 |
3/4 |
4 1/2 |
5 1/4 |
62 |
3.8 |
91 |
6.5 |
207 |
19 |
12 |
| 5 |
5.00 |
4.81 |
11.00 |
1.38 |
7.31 |
7.00 |
8.00 |
11.00 |
8 |
0.88 |
9.25 |
8.00 |
7.00 |
1.00 |
3/4 |
4 3/4 |
5 1/4 |
84 |
5.3 |
124 |
9.1 |
241 |
21 |
12 |
| 6 |
6.00 |
5.76 |
12.50 |
1.44 |
8.50 |
8.12 |
9.38 |
12.50 |
12 |
0.88 |
10.62 |
9.38 |
8.12 |
1.00 |
3/4 |
4 3/4 |
5 3/4 |
105 |
6.7 |
165 |
12 |
303 |
27 |
12 |
| 8 |
8.00 |
7.62 |
15.00 |
1.62 |
10.62 |
10.25 |
11.56 |
15.00 |
12 |
1.00 |
13.00 |
11.56 |
10.25 |
1.12 |
7/8 |
5 1/2 |
6 1/4 |
148 |
9.1 |
228 |
17 |
405 |
36 |
12 |
| 10 |
10.00 |
9.56 |
17.50 |
1.88 |
12.75 |
12.62 |
13.62 |
17.50 |
16 |
1.12 |
15.25 |
13.62 |
12.62 |
1.25 |
1 |
6 1/4 |
7 1/4 |
210 |
13 |
291 |
21 |
499 |
46 |
12 |
| 12 |
12.00 |
11.38 |
### |
2.00 |
15.00 |
14.75 |
15.94 |
### |
16 |
1.25 |
17.75 |
15.94 |
14.75 |
1.38 |
1 1/8 |
6 3/4 |
7 1/2 |
275 |
16 |
392 |
28 |
651 |
61 |
12 |
| 14 |
14.00 |
14.00 |
### |
2.12 |
16.25 |
16.75 |
18.44 |
### |
20 |
1.25 |
20.25 |
18.44 |
16.75 |
1.38 |
1 1/8 |
7 |
7 3/4 |
324 |
19 |
456 |
32 |
785 |
74 |
12 |
| 16 |
16.00 |
16.00 |
### |
2.25 |
18.50 |
19.00 |
### |
### |
20 |
1.38 |
22.50 |
20.50 |
19.00 |
1.50 |
1 1/4 |
7 1/2 |
8 1/2 |
404 |
23 |
529 |
37 |
914 |
88 |
12 |
| 18 |
18.00 |
18.00 |
### |
2.38 |
21.00 |
21.00 |
### |
### |
24 |
1.38 |
24.75 |
22.75 |
21.00 |
1.50 |
1 1/4 |
7 3/4 |
8 1/4 |
465 |
26 |
630 |
43 |
1066 |
102 |
12 |
| 20 |
20.00 |
20.00 |
### |
2.50 |
### |
23.12 |
### |
### |
24 |
1.38 |
27.00 |
25.00 |
23.12 |
1.50 |
1 1/4 |
8 1/4 |
9 1/4 |
549 |
30 |
741 |
50 |
1228 |
118 |
12 |
| 24 |
24.00 |
24.00 |
### |
2.75 |
### |
27.62 |
### |
### |
24 |
1.62 |
32.00 |
29.62 |
27.62 |
1.75 |
1 1/2 |
9 1/4 |
10 1/4 |
778 |
42 |
1016 |
67 |
1627 |
160 |
12 |
| Dimensions are in inches. Weights are in pounds. |
Class 300 Standard Connection Flange PDF (for printing).