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