Gasket Dimensions for Full Face Class 300
per MSS-SP44 and C207-55 AWWA
Pipe
Size |
Gasket
O.D. |
Bolt Holes |
Pipe
Size |
Gasket
O.D. |
Bolt Holes |
| No. |
Size |
B.C. Dia |
No. |
Size |
B.C. Dia |
| 1/4" |
|
|
|
|
14" |
23" |
20 |
1 - 1/4" |
20 - 1/4" |
| 3/8" |
|
|
|
|
*15" |
24 - 1/2" |
20 |
1 - 3/8" |
21 - 1/2" |
| 1/2" |
3 - 3/4" |
4 |
5/8" |
2 - 5/8" |
16" |
25 - 1/2" |
20 |
1 - 3/8" |
22 - 1/2" |
| 3/4" |
4 - 5/8" |
4 |
3/4" |
3 - 1/4" |
18" |
28" |
24 |
1 - 3/8" |
24 - 3/4" |
| 1" |
4 - 7/8" |
4 |
3/4" |
3 - 1/2" |
20" |
30 - 1/2" |
24 |
1 - 3/8" |
27" |
| 1 - 1/4" |
5 - 1/4" |
4 |
3/4" |
3 - 7/8" |
*22" |
33" |
24 |
1 - 5/8" |
29 - 1/4" |
| 1 - 1/2" |
6 - 1/8" |
4 |
7/8" |
4 - 1/2" |
24" |
36" |
24 |
1 - 5/8" |
32" |
| 2" |
6 - 1/2" |
8 |
3/4" |
5" |
*26" |
38 - 1/4" |
28 |
1 - 7/8" |
34 - 1/2" |
| 2 - 1/2" |
7 - 1/2" |
8 |
7/8" |
5 - 7/8" |
*28" |
40 - 3/4" |
28 |
1 - 7/8" |
37" |
| 3" |
8 - 1/4" |
8 |
7/8" |
6 - 5/8" |
30" |
43" |
28 |
2" |
39 - 1/4" |
| 3 - 1/2" |
9" |
8 |
7/8" |
7 - 1/4" |
*32" |
45 - 1/4" |
28 |
2 - 1/8" |
41 - 1/2" |
| 4" |
10" |
8 |
7/8" |
7 - 7/8" |
*34" |
47 - 1/2" |
32 |
2 - 1/8" |
43 - 1/2" |
| * 4 - 1/2" |
10 - 1/2" |
8 |
7/8" |
8 - 1/2" |
36" |
50" |
32 |
2 - 1/4" |
46" |
| 5" |
11" |
8 |
7/8" |
9 - 1/4" |
*38" |
52 - 1/4" |
36 |
2 - 1/4" |
48" |
| 6" |
12 - 1/2" |
12 |
7/8" |
10 - 5/8" |
*40" |
54 - 1/2" |
36 |
2 - 1/4" |
50 - 1/4" |
| * 7" |
14" |
12 |
1" |
11 - 7/8" |
42" |
57" |
36 |
2 - 1/4" |
52 - 3/4" |
| 8" |
15" |
12 |
1" |
13" |
*44" |
59 - 1/4" |
40 |
2 - 1/4" |
55" |
| * 9" |
16 - 1/4" |
12 |
1 - 1/8" |
14" |
*46" |
61 - 1/2" |
40 |
2 - 1/4" |
57 - 1/4" |
| 10" |
17 - 1/2" |
16 |
1 - 1/8" |
15 - 1/4" |
48" |
65" |
|
|
60 - 3/4" |
| 12" |
20 - 1/2" |
16 |
1 - 1/4" |
17 - 3/4" |
|
|
|
|
|
* Sizes marked are not in current flange standards but are still used.
NOTE: Bolt Holes in Flanges 26" and larger may be specified 1/8" less in diameter
All technical advice and recommendation are rendered by seller free of charge. While based on data believed to be reliable, seller assumes no responsibility.
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