Pipe Size ID / OD chart
Full Face Gaskets - Style 1130
Full Face Gaskets for 300 lb ASME/ANSI Pipe Flanges | 300 LB Ring | |||||
| Nominal Pipe Size | Gasket | Number of Bolt Holes | Diameter of Bolt Holes | Bolt Circle | ||
| I.D. | O.D. | |||||
| 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 1/2" | 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" | 8 | 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" | 34" | 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" | |