Full Face Gaskets | ASME/ANSI Pipe Flanges | Seal & Design

Full Face Gaskets

Seal & Design can fabricate a wide variety of ring gaskets for any pipe size. The lists below are standard guidelines for both 150lb and 300lb full face gaskets. 

Full Face Gaskets 150lb ASME/ANSI Pipe Flanges

 

Nominal Pipe Size
(Inches)
Gasket Number of Bolt Holes Diameter of Bolt Holes
(Inches)
Bolt Circle
(Inches)
I.D.
(Inches)
O.D.
(Inches)
1/2 13/16 3 1/2 4 5/8 2 3/8
3/4 1 1/16 3 7/8 4 5/8 2 3/4
1 1 5/16 4 1/4 4 5/8 3 1/8
1 1/4 1 5/8 4 5/8 4 5/8 3 1/2
1 1/2 1 7/8 5 4 5/8 3 7/8
2 2 3/8 6 4 3/4 4 3/4
2 1/2 2 7/8 7 4 3/4 5 1/2
3 3 1/2 7 1/2 4 3/4 6
3 1/2 4 8 1/2 8 3/4 7
4 4 1/2 9 8 3/4 7 1/2
5 5 9/16 10 8 7/8 8 1/2
6 6 5/8 11 8 7/8 9 1/2
8 8 5/8 13 1/2 8 7/8 11 3/4
10 10 3/4 16 12 1 14 1/4
12 12 3/4 19 12 1 17
14 14 21 12 1 1/8 18 3/4
16 16 23 1/2 16 1 1/8 21 1/4
18 18 25 16 1 1/4 22 3/4
20 20 27 1/2 20 1 1/4 25
22 22 29 1/2 20 1 3/8 27 1/4
24 24 32 20 1 3/8 29 1/2
26 26 34 1/4 24 1 3/8 31 3/4
28 28 36 1/2 28 1 3/8 34
30 30 38 3/4 28 1 3/8 36
32 32 41 3/4 28 1 5/8 38 1/2
34 34 43 3/4 32 1 5/8 40 1/2
36 36 46 32 1 5/8 42 3/4
38 38 48 3/4 32 1 5/8 45 1/4
40 40 50 3/4 36 1 5/8 47 1/4
42 42 53 36 1 5/8 49 1/2
44 44 55 1/4 40 1 5/8 51 3/4
46 46 57 1/4 40 1 5/8 53 3/4
48 48 59 1/2 44 1 5/8 56
50 50 61 3/4 44 1 7/8 58 1/4
52 52 64 44 1 7/8 60 1/2
54 54 66 1/4 44 1 7/8 62 3/4
60 60 73 52 1 7/8 69 1/4
66 66 80 52 1 7/8 76
72 72 86 1/2 60 1 7/8 82 1/2
84 84 99 3/4 64 2 1/8 95 1/2
96 96 113 1/4 68 2 3/8 108 1/2

Full Face Gaskets for 300 lb ASME/ANSI Pipe Flanges

Nominal Pipe Size
(Inches)
Gasket Number of Bolt Holes Diameter of Bolt Holes
(Inches)
Bolt Circle
(Inches)
I.D.
(Inches)
O.D.
(Inches)
1 1 5/16 4 7/8 4 3/4 3 1/2
1 1/4 1 21/32 5 1/4 4 3/4 3 7/8
1 1/2 1 29/32 6 1/8 4 7/8 4 1/2
2 2 3/8 6 2/2 8 3/4 5
2 1/2 2 7/8 7 1/2 8 7/8 5 7/8
3 3 1/2 8 1/4 3 7/8 6 5/8
3 1/2 4 9 8 7/8 7 1/4
4 4 1/2 10 8 7/8 7 7/8
5 5 9/16 11 8 7/8 9 1/4
6 6 5/8 12 1/2 12 7/8 10 5/8
8 8 5/8 15 12 1 13
10 10 3/4 17 1/2 16 1 1/8 15 1/4
12 12 3/4 20 1/2 16 1 1/4 17 3/4
14 14 23 20 1 1/4 20 1/4
16 16 25 1/2 20 1 3/8 22 1/2
18 18 28 24 1 3/8 24 3/4
20 20 30 1/2 24 1 3/8 27
22 22 33 24 1 5/8 29 1/4
24 24 36 24 1 5/8 32
26 26 38 1/4 28 1 7/8 34 1/2
28 28 40 3/4 28 1 7/8 37
30 30 43 28 1 7/8 39 1/4
32 32 45 1/4 28 1 7/8 41 1/2
34 32 47 1/2 28 1 7/8 43 1/2
36 36 50 32 2 1/8 46
38 38 52 1/4 32 2 1/8 48
40 40 54 1/2 36 2 1/8 50 1/4
42 42 57 36 2 1/8 52 3/4
44 44 59 1/4 36 2 1/8 55
46 46 61 1/2 40 2 1/8 57 1/4
48 48 65 40 2 1/8 60 3/4