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ANSI/ASME B16.1-1989 Class 25
|
| Pipe Size |
Outside Diameter |
Inside Diameter |
Number of Bolt Holes |
Bolt Hole Diameter |
Bolt Circle |
|
| 4" |
9 |
... |
8 |
3/4 |
7-1/2 |
| 5" |
10 |
... |
8 |
3/4 |
8-1/2 |
| 6" |
11 |
... |
8 |
3/4 |
9-1/2 |
| 8" |
13-1/2 |
... |
8 |
3/4 |
11-3/4 |
| 10" |
16 |
... |
12 |
3/4 |
14-1/4 |
|
| 12" |
19 |
... |
12 |
3/4 |
17 |
| 14" |
21 |
... |
12 |
7/8 |
18-3/4 |
| 16" |
23-1/2 |
... |
16 |
7/8 |
21-1/4 |
| 18" |
25 |
... |
16 |
7/8 |
22-3/4 |
| 20" |
27-1/2 |
... |
20 |
7/8 |
25 |
|
| 24" |
32 |
... |
20 |
7/8 |
29-1/2 |
| 30" |
38-3/4 |
... |
28 |
1 |
36 |
| 36" |
46 |
... |
32 |
1 |
42-3/4 |
| 42" |
53 |
... |
36 |
1-1/8 |
49-1/2 |
| 48" |
59-1/2 |
... |
44 |
1-1/8 |
56 |
|
| 54" |
66-1/4 |
... |
44 |
1-1/8 |
62-3/4 |
| 60" |
73 |
... |
52 |
1-1/4 |
69-1/4 |
| 72" |
86-1/2 |
... |
60 |
1-1/4 |
82-1/2 |
| 84" |
99-3/4 |
... |
64 |
1-3/8 |
95-1/2 |
| 96" |
113-1/4 |
... |
68 |
1-3/8 |
108-1/2 |
|
Notes:
This table is intended for estimating purposes only. Applications
vary, confirm all dimensions with your engineering department
prior to ordering. Refer to the ASME B16.1-1989 standard for
complete engineering and applications information. All dimensions
are in inches unless otherwise noted. Inside diameter and thickness
dimensions are application specific. |
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