Pipe Size ID / OD chart
Ring Gaskets - Style 1030
Ring Gaskets for 300 lb ASME/ANSI Pipe Flanges | 300 LB Ring | |||||
| Nominal Pipe Size | Gasket | Nominal Pipe Size | Gasket | |||
| I.D. | O.D. | I.D. | O.D. | |||
| 1/2" | 27/32" | 2 1/8" | 10" | 10 3/4" | 14 1/4" | |
| 3/4" | 1 1/16" | 2 5/8" | 12" | 12 3/4" | 16 5/8" | |
| 1" | 1 5/16" | 2 7/8" | 14" | 14" | 19 1/8" | |
| 1 1/4" | 1 21/32" | 3 1/4" | 15" | 15" | 20 1/8" | |
| 1 1/2" | 1 29/32" | 3 3/4" | 16" | 16" | 21 1/4" | |
| 2" | 2 3/8" | 4 3/8" | 18" | 18" | 23 1/2" | |
| 2 1/2" | 2 7/8" | 5 1/8" | 20" | 20" | 25 3/4" | |
| 3" | 3 1/2" | 5 7/8" | 22" | 22" | 27 5/8" | |
| 3 1/2" | 4" | 6 1/2" | 24" | 24" | 30 1/2" | |
| 4" | 4 1/2" | 7 1/8" | 30" | 30" | 37 1/2" | |
| 4 1/2" | 5" | 7 5/8" | 36" | 36" | 44" | |
| 5" | 5 9/16" | 8 1/2" | 42" | 42" | 50 3/4" | |
| 6" | 6 5/8" | 9 7/8" | 48" | 48" | 58 3/4" | |
| 7" | 7 5/8" | 10 7/8" | Standard thickness 1/16” and 1/8”; other thicknesses available by special order. | |||
| 8" | 8 5/8" | 12 1/8" | ||||