| Model No. | Center ring | O-Ring | A | B | C | D | Part No. |
| ISO-CRO-63VAE | AL | Viton | 67 | 70 | 3.9 | 8 | 81180101-0063 |
| ISO-CRO-80VAE | AL | Viton | 80 | 83 | 3.9 | 8 | 81180201-0080 |
| ISO-CRO-100VAE | AL | Viton | 99 | 102 | 3.9 | 8 | 81180301-0100 |
| ISO-CRO-160VAE | AL | Viton | 150 | 153 | 3.9 | 8 | 81180401-0160 |
| ISO-CRO-200VAE | AL | Viton | 210 | 213 | 3.9 | 8 | 81180501-0200 |
| ISO-CRO-250VAE | AL | Viton | 257.5 | 261 | 3.9 | 8 | 81180601-0250 |
| ISO-CRO-320VAE | AL | Viton | 312 | 318 | 5.6 | 12 | 81180701-0320 |
| ISO-CRO-400VAE | AL | Viton | 394 | 400 | 5.6 | 12 | 81180801-0400 |
| ISO-CRO-500VAE | AL | Viton | 494 | 501 | 5.6 | 12 | 81180901-0500 |
| ISO-CRO-63VSE | SS304 | Viton | 67 | 70 | 3.9 | 8 | 81180103-0063 |
| ISO-CRO-80VSE | SS304 | Viton | 80 | 83 | 3.9 | 8 | 81180203-0080 |
| ISO-CRO-100VSE | SS304 | Viton | 99 | 102 | 3.9 | 8 | 81180303-0100 |
| ISO-CRO-160VSE | SS304 | Viton | 150 | 153 | 3.9 | 8 | 81180403-0160 |
| ISO-CRO-200VSE | SS304 | Viton | 210 | 213 | 3.9 | 8 | 81180503-0200 |
| ISO-CRO-250VSE | SS304 | Viton | 257.5 | 261 | 3.9 | 8 | 81180603-0250 |
| ISO-CRO-320VSE | SS304 | Viton | 312 | 318 | 5.6 | 12 | 81180703-0320 |
| ISO-CRO-400VSE | SS304 | Viton | 394 | 400 | 5.6 | 12 | 81180803-0400 |
| ISO-CRO-500VSE | SS304 | Viton | 494 | 501 | 5.6 | 12 | 81180903-0500 |
