Gasket Dimensions for Full Face Class 150
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| per MSS-SP44 and C207-55 AWWA |
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| Pipe |
Gasket |
Bolt Holes |
Pipe |
Gasket |
Bolt Holes |
| Size |
O. D. |
No. |
Size |
B.C. Dia |
Size |
O.D. |
No. |
Size |
B.C. Dia. |
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| 1/4" |
2 - 1/2" |
4 |
7 - 1/16" |
1 - 11/16" |
*38" |
48 - 3/4" |
32 |
1 - 5/8" |
45 - 1/4" |
| 3/8" |
2 - 1/2" |
4 |
7 - 1/16" |
1 - 11/16" |
*40" |
50 - 3/4" |
36 |
1 - 5/8" |
47 - 1/4" |
| 1/2" |
3 - 1/2" |
4 |
5/8" |
2 - 3/8" |
42" |
53" |
36 |
1 - 5/8" |
49 - 1/2" |
| 3/4" |
3 - 7/8" |
4 |
5/8" |
2 - 3/4" |
*44" |
55 - 1/4" |
40 |
1 - 5/8" |
51 - 3/4" |
| 1" |
4 - 1/4" |
4 |
5/8" |
3 - 1/8" |
*46" |
57 - 1/4" |
40 |
1 - 5/8" |
53 - 3/4" |
| 1 - 1/4" |
4 - 5/8" |
4 |
5/8" |
3 - 1/2" |
48" |
59 - 1/2" |
44 |
1 - 5/8" |
56" |
| 1 - 1/2" |
5" |
4 |
5/8" |
3 - 7/8" |
*50" |
61 - 3/4" |
44 |
1 - 7/8" |
58 - 1/4" |
| 2" |
6" |
4 |
3/4" |
4 - 3/4" |
*52" |
64" |
44 |
1 - 7/8" |
60 - 1/2" |
| 2 - 1/2" |
7" |
4 |
3/4" |
5 - 1/2" |
54" |
66 - 1/4" |
44 |
2" |
62 - 3/4" |
| 3" |
7 - 1/2" |
4 |
3/4" |
6" |
*56" |
68 - 3/4" |
48 |
2" |
65" |
| 3 - 1/2" |
8 - 1/2" |
8 |
3/4" |
7" |
*58" |
71" |
48 |
2" |
67 - 1/4" |
| 4" |
9" |
8 |
3/4" |
7 - 1/2" |
60" |
73" |
52 |
2" |
69 - 1/4" |
| * 4 - 1/2" |
9 - 1/4" |
8 |
7/8" |
7 - 3/4" |
*62" |
75 - 3/4" |
52 |
2 - 1/8" |
71 - 3/4" |
| 5" |
10" |
8 |
7/8" |
8 - 1/2" |
*64" |
78" |
52 |
2 - 1/8" |
74" |
| 6" |
11" |
8 |
7/8" |
9 - 1/2" |
*66" |
80" |
52 |
2" |
76" |
| * 7" |
12 - 1/2" |
8 |
7/8" |
10 - 3/4" |
*68" |
82 - 1/4" |
56 |
2 - 1/8" |
78 - 1/4" |
| 8" |
13 - 1/2" |
8 |
7/8" |
11 - 3/4" |
*70" |
84 - 1/2" |
56 |
2 - 1/8" |
80 - 1/2" |
| * 9" |
15" |
12 |
7/8" |
13 - 1/4" |
72" |
86 - 1/2" |
60 |
2" |
82 - 1/2" |
| 10" |
16" |
12 |
1" |
14 - 1/4" |
*74" |
88 - 1/2" |
60 |
2 - 1/8" |
84 - 1/2" |
| 12" |
19" |
12 |
1" |
17" |
*76" |
90 - 3/4" |
60 |
2 - 1/8" |
86 - 1/2" |
| 14" |
21" |
12 |
1" |
18 - 3/4" |
*78" |
93" |
60 |
2 - 1/4" |
88 - 3/4" |
| 15" |
22 - 1/4" |
16 |
1 - 1/8" |
20" |
*80" |
95 - 1/4" |
60 |
2 - 1/4" |
91" |
| 16" |
23 - 1/2" |
16 |
1 - 1/8" |
21 - 1/4" |
*82" |
97 - 1/2" |
60 |
2 - 1/4" |
93 - 1/4" |
| 18" |
25" |
16 |
1 - 1/8" |
22 - 3/4" |
84" |
99 - 3/4" |
64 |
2 - 1/4" |
95 - 1/2" |
| 20" |
27 - 1/2" |
20 |
1 - 1/4" |
25" |
*86" |
102" |
64 |
2 - 1/4" |
97 - 3/4 |
| 22" |
29 - 1/2" |
20 |
1 - 1/4" |
27 - 1/4" |
*88" |
104 - 1/4" |
68 |
2 - 1/4" |
100" |
| 24" |
32" |
20 |
1 - 3/8" |
29 - 1/2" |
*90" |
106 - 1/2 |
68 |
2 - 3/8" |
102 - 1/4" |
| 26" |
34 - 1/4" |
24 |
1 - 3/8" |
31 - 3/4" |
*92" |
108 - 3/4" |
68 |
2 - 3/8" |
104 - 1/2" |
| 28" |
36 - 1/2" |
28 |
1 - 3/8" |
34" |
*94" |
111" |
68 |
2 - 3/8" |
106 - 1/4" |
| 30" |
38 - 3/4" |
28 |
1 - 3/8" |
36" |
96" |
113 - 1/4" |
68 |
2 - 1/2" |
108 - 1/2" |
| 32" |
41 - 3/4" |
28 |
1 - 5/8" |
38 - 1/2" |
*98" |
115 - 1/2" |
68 |
2 - 1/2" |
110 - 3/4" |
| 34" |
43 - 3/4" |
32 |
1 - 5/8" |
40 - 1/2" |
*100" |
117 - 3/4" |
68 |
3" |
113" |
| 36" |
46" |
32 |
1 - 5/8" |
42 - 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 54" 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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Teflon