Gasket Dimensions for Raise Face
to ASME B16.21
(To suit ASME / ANSI B16.5 and BS 1560 Flanges)
Nominal
Pipe
Size |
Gasket
Inside
Diameter |
OUTSIDE DIAMETER |
Class
150 |
Class
300 |
Class
400 |
Class
600 |
Class
900 |
Class
*1500 |
| 1/2" |
27/32" |
1 - 7/8" |
2 - 1/8" |
2 - 1/8" |
2 - 1/8" |
2 - 1/2" |
2 - 1/2" |
| 3/4" |
1 - 1/16" |
2 - 1/4" |
2 - 5/8" |
2 - 5/8" |
2 - 5/8" |
2 - 3/4" |
2 - 3/4" |
| 1" |
1 - 5/16" |
2 - 5/8" |
2 - 7/8" |
2 - 7/8" |
2 - 7/8" |
3 - 1/8" |
3 - 1/8" |
| 1 - 1/4" |
1 - 21/32" |
3" |
3 - 1/4" |
3 - 1/4" |
3 - 1/4" |
3 - 1/2" |
3 - 1/2" |
| 1 - 1/2" |
1 - 29/32" |
3 - 3/8" |
3 - 3/4" |
3 - 3/4" |
3 - 3/4" |
3 - 7/8" |
3 - 7/8" |
| 2" |
2 - 3/8" |
4 - 1/8" |
4 - 3/8" |
4 - 3/8" |
4 - 3/8" |
5 - 5/8" |
5 - 5/8" |
| 2 - 1/2" |
2 - 7/8" |
4 - 7/8" |
5 - 1/8" |
5 - 1/8" |
5 - 1/8" |
6 - 1/2" |
6 - 1/2" |
| 3" |
3 - 1/2" |
5 - 3/8" |
5 - 7/8" |
6 - 7/8" |
7 - 7/8" |
6 - 5/8" |
6 - 7/8" |
| 3 - 1/2" |
4" |
6 - 3/8" |
6 - 1/2" |
6 - 3/8" |
6 - 3/8" |
----- |
----- |
| 4" |
4 - 1/2" |
6 - 7/8" |
7 - 1/8" |
7 " |
7 - 5/8" |
8 - 1/8" |
8 - 1/4" |
| 5" |
5 - 9/16" |
7 - 3/4" |
8 - 1/2" |
8 - 3/8" |
9 - 1/2" |
9 - 3/4" |
10" |
| 6" |
6 - 5/8" |
8 - 3/4" |
9 - 7/8" |
9 - 3/4" |
10 - 1/2" |
11 - 3/8" |
11 - 1/8" |
| 8" |
8 - 5/8" |
11" |
12 - 1/8" |
12" |
12 - 5/8" |
14 - 1/8" |
13 - 7/8" |
| 10" |
10 - 3/4" |
13 - 3/8" |
14 - 1/4" |
14 - 1/8" |
15 - 3/4" |
17 - 1/8" |
17 - 1/8" |
| 12" |
12 - 3/4" |
16 - 1/8" |
16 - 5/8" |
16 - 1/2" |
18" |
19 - 5/8" |
20 - 1/2" |
| 14" |
14" |
17 - 3/4" |
19 - 1/8" |
19" |
19 - 3/8" |
20 - 1/2" |
22 - 3/4" |
| 16" |
16" |
20 - 1/4" |
21 - 1/4" |
21 - 1/8" |
22 - 1/4" |
22 - 5/8" |
25 - 1/4" |
| 18" |
18" |
21 - 5/8" |
23 - 1/2" |
23 - 3/8" |
24 - 1/8" |
25 - 1/8" |
27 - 3/4" |
| 20" |
20" |
23 - 7/8" |
25 - 3/4" |
25 - 1/2" |
26 - 7/8" |
27 - 1/2" |
29 - 3/4" |
| 24" |
24" |
28 - 1/4" |
30 - 1/2" |
30 - 1/4" |
31 - 1/8" |
33" |
35 - 1/2" |
NOTE:
* Class 1500 rating is not specified in ASME B16.21
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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713-222-0272 |
