Ring Gasket Sizes
RING GASKETS FOR 150 LB ASME/ANSI PIPE FLANGES
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.
There are two styles for Ring Gaskets, Old and New.
Ring Gasket 150lb Comparison Chart
150lb Ring Gasket New Standard | ||
---|---|---|
Nominal Pipe Size | Gasket I.D. (Inches) | Gasket O.D. (Inches) |
1/2 | 27/32 | 1 7/8 |
3/4 | 1 1/16 | 2 1/4 |
1 | 1 5/16 | 2 5/8 |
1 1/4 | 1 21/32 | 3 |
1 1/2 | 1 29/32 | 3 3/8 |
2 | 2 3/8 | 4 1/8 |
2 1/2 | 2 7/8 | 4 7/8 |
3 | 3 1/2 | 5 3/8 |
3 1/2 | 4 | 6 3/8 |
4 | 4 1/2 | 6 7/8 |
4 1/2 | 5 | 7 |
5 | 5 9/16 | 7 3/4 |
6 | 6 5/8 | 8 3/4 |
7 | 7 5/8 | 10 |
8 | 8 5/8 | 11 |
10 | 10 3/4 | 13 3/8 |
12 | 12 3/4 | 16 1/8 |
14 | 14 | 17 3/4 |
15 | 15 | 19 |
16 | 16 | 20 1/4 |
18 | 18 | 21 5/8 |
20 | 20 | 23 7/8 |
22 | 22 | 26 |
24 | 24 | 28 1/4 |
26 | 26 | 30 1/2 |
28 | 28 | 32 3/4 |
30 | 30 | 34 3/4 |
32 | 32 | 37 |
34 | 34 | 39 |
36 | 36 | 41 1/4 |
38 | 38 | 43 5/8 |
40 | 40 | 45 5/8 |
42 | 42 | 48 |
46 | 46 | 52 1/8 |
48 | 48 | 54 1/2 |
50 | 50 | 56 1/2 |
52 | 52 | 58 3/4 |
54 | 54 | 61 |
60 | 60 | 67 1/2 |
66 | 66 | 74 1/4 |
72 | 72 | 80 3/4 |
84 | 84 | 93 1/2 |
96 | 96 | 106 1/4 |
New STD | Old STD | ||||
---|---|---|---|---|---|
Size | I.D. (Inches) | O.D. (Inches) | I.D. (Inches) | O.D. (Inches) | |
1/2 | 27/32 | 1 7/8 | 1/2 | 1 7/8 | |
3/4 | 1 1/16 | 2 1/4 | 3/4 | 2 1/4 | |
1 | 1 5/16 | 2 5/8 | 1 | 2 5/8 | |
1-1/4 | 1 21/32 | 3 | 1 1/4 | 3 | |
1-1/2 | 1 29/32 | 3 3/8 | 1 1/2 | 3 3/8 | |
2 | 2 3/8 | 4 1/8 | 2 | 4 1/8 | |
2-1/2 | 2 7/8 | 4 7/8 | 2 1/2 | 4 7/8 | |
3 | 3 1/2 | 5 3/8 | 3 | 5 3/8 | |
3-1/2 | 4 | 6 3/8 | 3 1/2 | 6 3/8 | |
4 | 4 1/2 | 6 7/8 | 4 | 6 7/8 | |
4 1/2 | 5 | 7 | 4 1/2 | 7 | |
5 | 5 9/16 | 7 3/4 | 5 | 7 3/4 | |
6 | 6 5/8 | 8 3/4 | 6 | 8 3/4 | |
7 | 7 5/8 | 10 | 7 | 10 | |
8 | 8 5/8 | 11 | 8 | 11 | |
9 | 9 5/8 | 12 1/2 | 9 | 12 1/2 | |
10 | 10 3/4 | 13 3/8 | 10 | 13 3/8 | |
12 | 12 3/4 | 16 1/8 | 12 | 16 1/8 | |
14 | 14 | 17 3/4 | 14 | 17 3/4 | |
15 | 15 | 19 | 15 | 19 | |
16 | 16 | 20 1/4 | 16 | 20 1/4 | |
18 | 18 | 21 5/8 | 18 | 21 5/8 | |
20 | 20 | 23 7/8 | 20 | 23 7/8 | |
22 | 22 | 26 | 22 | 26 |
RING GASKETS FOR 300 LB ASME/ANSI PIPE FLANGES
There are two styles for Ring Gaskets, Old and New.
Ring Gasket 300lb Comparison Chart
Nominal Pipe Size | Gasket I.D. (Inches) | Gasket O.D. (Inches) |
---|---|---|
1/2 | 27/32 | 2 1/8 |
3/4 | 1 1/16 | 2 5/8 |
1 | 1 5/16 | 2 7/8 |
1 1/4 | 1 21/32 | 3 1/4 |
1 1/2 | 1 29/32 | 3 3/4 |
2 | 2 3/8 | 4 3/8 |
2 1/2 | 2 7/8 | 5 1/8 |
3 | 3 1/2 | 5 7/8 |
3 1/2 | 4 | 6 1/2 |
4 | 4 1/2 | 7 1/8 |
4 1/2 | 5 | 7 5/8 |
5 | 5 9/16 | 8 1/2 |
6 | 6 5/8 | 9 7/8 |
7 | 7 5/8 | 10 7/8 |
8 | 8 5/8 | 12 1/8 |
10 | 10 3/4 | 14 1/4 |
12 | 12 3/4 | 16 5/8 |
14 | 14 | 19 1/8 |
15 | 15 | 20 1/8 |
16 | 16 | 21 1/4 |
18 | 18 | 23 1/2 |
20 | 20 | 25 3/4 |
22 | 22 | 27 5/8 |
24 | 24 | 30 1/2 |
30 | 30 | 37 1/2 |
36 | 36 | 44 |
42 | 42 | 50 3/4 |
48 | 48 | 58 3/4 |
New STD | Old STD | |||
---|---|---|---|---|
Size | I.D. (Inches) | O.D. (Inches) | I.D. (Inches) | O.D. (Inches) |
1/2 | 27/32 | 2 1/8 | 1/2 | 2 1/8 |
3/4 | 1 1/16 | 2 5/8 | 3/4 | 2 5/8 |
1 | 1 5/16 | 2 7/8 | 1 | 2 7/8 |
1 1/4 | 1 21/32 | 3 1/4 | 1 1/4 | 3 1/4 |
1 1/2 | 1 29/32 | 3 3/4 | 1 1/2 | 3 3/4 |
2 | 2 3/8 | 4 3/8 | 2 | 4 3/8 |
2 1/2 | 2 7/8 | 5 1/8 | 2 1/2 | 5 1/8 |
3 | 3 1/2 | 5 7/8 | 3 | 5 7/8 |
3 1/2 | 4 | 6 1/2 | 3 1/2 | 6 1/2 |
4 | 4 1/2 | 7 1/8 | 4 | 7 1/8 |
4 1/2 | 5 | 7-5/8 | 4 1/2 | 7 5/8 |
5 | 5 9/16 | 8 1/2 | 5 | 8 1/2 |
6 | 6 5/8 | 9 7/8 | 6 | 9 7/8 |
7 | 7 5/8 | 10-7/8 | 7 | 10 7/8 |
8 | 8 5/8 | 12 1/8 | 8 | 12 1/8 |
9 | 9 5/8 | 12 7/8 | 9 | 12 7/8 |
10 | 10 3/4 | 14 1/4 | 10 | 14 1/4 |
12 | 12 3/4 | 16 5/8 | 12 | 16 5/8 |
14 | 14 | 19 1/8 | 13 1/4 | 19 1/8 |
15 | 15 | 20 1/8 | 14 1/4 | 20 1/8 |
16 | 16 | 21 1/4 | 15 1/4 | 21 1/4 |
18 | 18 | 23 1/2 | 17 | 23 1/2 |
20 | 20 | 25 3/4 | 19 | 25 3/4 |
22 | 22 | 27 5/8 | 21 | 27 5/8 |