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Gasket Size Chart
Dimensions of Gaskets for Low & Medium Pressure Flanges
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Dimensions of Gaskets for Low and |
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SUR-SEAL, INC |
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Medium Pressure Flanges --- A.S.A. Standard |
16 Edgeboro Road, Unit #4 |
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East Brunsiwck, NJ 08816 |
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(732) 651-7070 |
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Pipe |
Flange A.S.A |
Ring |
Gaskets |
Full-Faced Gaskets |
# of Bolt |
Bolt Hole |
Bolt Circle |
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Size |
Rating in LBS |
Old Standard |
New Standard |
Old Standard |
New Standard |
Holes |
Diameter |
Diameter |
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3/4" |
150 |
3/4" X 2-1/4" |
1-1/16" X 2-1/4" |
3/4" X 3-7/8" |
1-1/16" X 3-7/8" |
4 |
5/8" |
2-3/4" |
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300 |
3/4" X 2-5/8" |
1-1/16" X 2-5/8" |
3/4" X 4-5/8" |
1-1/16" X 4-5/8" |
4 |
3/4" |
3-1/4" |
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1" |
150 |
1" X 2-5/8" |
1-5/16" X 2-5/8" |
1" X 4-1/4" |
1-5/16" X 4-1/4" |
4 |
5/8" |
3-1/8" |
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300 |
1" X 2-7/8" |
1-5/16" X 2-7/8" |
1" X 4-7/8" |
1-5/16" X 4-7/8" |
4 |
3/4" |
3-1/2" |
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1-1/4" |
150 |
1-1/4" x 3" |
1-21/32" x 3" |
1-1/4" x 4-5/8" |
1-21/32" x 4-5/8" |
4 |
5/8" |
3-1/2" |
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300 |
1-1/4" x 3-1/4" |
1-21/32" x 3-1/4" |
1-1/4" x 5-1/4" |
1-21/32" x 5-1/4" |
4 |
3/4" |
3-7/8" |
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1-1/2" |
150 |
1-1/2" x 3-3/8" |
1-29/32" x 3-3/8" |
1-1/2" x 5" |
1-29/32" x 5" |
4 |
5/8" |
3-7/8" |
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300 |
1-1/2" x 3-3/4" |
1-29/32" x 3-3/4 |
1-1/2" x 6-1/8" |
1-29/32" x 6-1/8" |
4 |
7/8" |
4-1/2" |
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2" |
150 |
2" x 4-1/8" |
2-3/8" x 4-1/8" |
2" x 6" |
2-3/8" x 6" |
4 |
3/4" |
4-3/4" |
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300 |
2" x 4-3/8" |
2-3/8" x 4-3/8" |
2" x 6-1/2" |
2-3/8" x 6-1/2" |
8 |
3/4" |
5" |
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2-1/2" |
150 |
2-1/2" x 4-7/8" |
2-7/8" x 4-7/8" |
2-1/2" x 7" |
2-7/8" x 7" |
4 |
3/4" |
5-1/2" |
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300 |
2-1/2" x 5-1/8" |
2-7/8" x 5-1/8" |
2-1/2" x 7-1/2" |
2-7/8" x 7-1/2" |
8 |
7/8" |
5-7/8" |
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3" |
150 |
3" x 5-3/8" |
3-1/2" x 5-3/8" |
3" x 7-1/2" |
3-1/2" x 7-1/2" |
4 |
3/4" |
6" |
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300 |
3" x 5-7/8" |
3-1/2" x 5-7/8" |
3" x 8-1/4" |
3-1/2" x 8-1/4" |
8 |
7/8" |
6-5/8" |
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4" |
150 |
4" x 6-7/8" |
4-1/2" x 6-7/8" |
4" x 9" |
4-1/2" x 9" |
8 |
3/4" |
7-1/2" |
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300 |
4" x 7-1/8" |
4-1/2" x 7-1/8" |
4" x 10" |
4-1/2" x 10" |
8 |
7/8" |
7-7/8" |
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5" |
150 |
5" x 7-3/4" |
5-9/16" x 7-3/4" |
5" x 10" |
5-9/16" x 10" |
8 |
7/8" |
8-1/2" |
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300 |
5" x 8-1/2" |
5-9/16" x 8-1/2" |
5" x 11" |
5-9/16" x 11" |
8 |
7/8" |
9-1/4" |
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6" |
150 |
6" x 8-3/4" |
6-5/8" x 8-3/4" |
6" x 11" |
6-5/8" x 11" |
8 |
7/8" |
9-1/2" |
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300 |
6" x 9-7/8" |
6-5/8" x 9-7/8" |
6" x 12-1/2" |
6-5/8" x 12-1/2" |
12 |
7/8" |
10-5/8" |
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8" |
150 |
8" x 11" |
8-5/8" x 11" |
8" x 13-1/2" |
8-5/8" x 13-1/2" |
8 |
7/8" |
11-3/4" |
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300 |
8" x 12-1/8" |
8-5/8" x 12-1/8" |
8" x 15" |
8-5/8" x 15" |
12 |
1" |
13" |
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10" |
150 |
10" x 13-3/8" |
10-3/4" x 13-3/8" |
10" x 16" |
10-3/4" x 16" |
12 |
1" |
14-1/4" |
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300 |
10" x 14-1/4" |
10-3/4" x 14-1/4" |
10" x 17-1/2" |
10-3/4" x 17-1/2" |
16 |
1-1/8" |
15-1/4" |
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12" |
150 |
12" x 16-1/8" |
12-3/4" x 16-1/8" |
12" x 19" |
12-3/4" x 19" |
12 |
1" |
17" |
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300 |
12" x 16-5/8" |
12-3/4" x 16-5/8" |
12" x 20-1/2" |
12-3/4" x 20-1/2" |
16 |
1-1/4" |
17-3/4" |
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14" |
150 |
14" x 17-3/4" |
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