Standard Pipe Flange Gaskets
Dimensions for 125-150 lb. Standard Pipe Flange Gaskets
| Flange Size (Old Style ID) |
New Style ID | Ring Type OD | Full Face OD | No. of Holes | Size of Holes | Bolt Circle |
| 1/2" | 27/32" | 1-7/8" | 3-1/2" | 4 | 5/8" | 2-3/8" |
| 3/4" | 1-1/16" | 2-1/4" | 3-7/8" | 4 | 5/8" | 2-3/4" |
| 1" | 1-5/16" | 2-5/8" | 4-1/4" | 4 | 5/8" | 3-1/8" |
| 1-1/4" | 1-21/32" | 3" | 4-5/8" | 4 | 5/8" | 3-1/2" |
| 1-1/2" | 1-29/32" | 3-3/8" | 5" | 4 | 5/8" | 3-7/8" |
| 2" | 2-3/8" | 4-1/8" | 6" | 4 | 5/8" | 4-3/4" |
| 2-1/2" | 2-7/8" | 4-7/8" | 7" | 4 | 3/4" | 5-1/2" |
| 3" | 3-1/2" | 5-3/8" | 7-1/2" | 4 | 3/4" | 6" |
| 3-1/2" | 4" | 6-3/8" | 8-1/2" | 8 | 3/4" | 7" |
| 4" | 4-1/2" | 6-7/8" | 9" | 8 | 3/4" | 7-1/2" |
| 4-1/2" | 5" | 7" | 9-1/4" | 8 | 7/8" | 7-3/4" |
| 5" | 5-9/16" | 7-3/4" | 10" | 8 | 7/8" | 8-1/2" |
| 6" | 6-5/8" | 8-3/4" | 11" | 8 | 7/8" | 9-1/2" |
| 8" | 8-5/8" | 11" | 13-1/2" | 8 | 7/8" | 11-3/4" |
| 10" | 10-3/4" | 13-3/8" | 16" | 12 | 1" | 14-1/4" |
| 12" | 12-3/4" | 16-1/8" | 19" | 12 | 1" | 17" |
| 14" | 14" | 17-3/4" | 21" | 12 | 1-1/8" | 18-3/4" |
| 16" | 16" | 20-1/4" | 23-1/2" | 16 | 1-1/8" | 21-1/4" |
| 18" | 18" | 21-5/8" | 25" | 16 | 1-1/4" | 22-3/4" |
| 20" | 20" | 23-7/8" | 27-1/2" | 20 | 1-1/4" | 25" |
| 22" | 22" | 26" | 29-1/2" | 20 | 1-1/4" | 27-1/4" |
| 24" | 24" | 28-1/4" | 32" | 20 | 1-1/4" | 29-1/2" |
| 26" | 26" | 30-1/2" | 34-1/4" | 24 | 1-3/8" | 31-3/4" |
| 28" | 28" | 32-3/4" | 36-1/2" | 28 | 1-3/8" | 34" |
| 30" | 30" | 34-3/4" | 38-3/4" | 28 | 1-3/8" | 36" |
| 32" | 32" | 37" | 41-3/4" | 28 | 1-5/8" | 38-1/2" |
| 34" | 34" | 39" | 43-3/4" | 32 | 1-5/8" | 40-1/2" |
| 36" | 36" | 41-1/4" | 46" | 32 | 1-5/8" | 42-3/4" |
| 38" | 38" | 43-5/8" | 48-3/4" | 32 | 1-5/8" | 45-1/4" |
| 40" | 40" | 43-5/8" | 50-3/4" | 36 | 1-5/8" | 47-1/4" |
| 42" | 42" | 47-7/8" | 53" | 36 | 1-5/8" | 49-1/2" |
| 44" | 44" | 50-1/8" | 55-1/4" | 40 | 1-5/8" | 51-3/4" |
| 46" | 46" | 52-1/8" | 57-1/4" | 40 | 1-5/8" | 53-3/4" |
| 48" | 48" | 54-3/8" | 59-1/2" | 44 | 1-5/8" | 56" |
| 60" | 60" | 65-1/4" | 73" | 52 | 1-7/8" | 69-1/4" |
| 72" | 72" | 76-1/2" | 86-1/2" | 60 | 1-7/8" | 82-1/2" |
| 96" | 96" | 102-3/4" | 113-1/4" | 68 | 2-3/8" | 106-1/2" |
How To Order Pipe Flange Gaskets
- Specify quantity required
- Specify thickness and gasket material desired (specify durometer for rubber products)
- Specify flange size and flange pressure rating
- Specify either ring or full face type
Example: 100 pcs. 1/16” thick Red Rubber Gasket, 2” 150 lb. ring
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