| No Item. | Part Number | ASTM Materials |
| Carbon Steel | Stainless Steel |
| 1. | Body | ASTM A216-WCB | A351-CF8 | A351-CF8M |
| 2. | Seat | ASTM A105+STL | A351-CF8 | A351-CF8M |
| 3. | Disc | ASTM A216-WCB+13Cr | A182-F304 | A182-F316 |
| 4. | Hing | ASTM A216-WCB | A351-CF8 | A351-CF8M |
| 5. | Hinge Pin | ASTM A276-420 | A193-B8M | A193-B8M |
| 6. | Bracket | ASTM A216-WCB | A351-CF8 | A351-CF8M |
| 7. | Nut | ASTM A194 2H | A193-B8M | A193-B8M |
| 8. | Bolt | ASTM A193 Gr.H7 | A194-8A | A194-8A |
| 9. | Gasket | Flexible Graphite + 304 | 304/Graphite | 316/Graphite |
| 10. | Cover | ASTM A216-WCB | A351-CF8 | A351-CF8M |
| 11. | Eyebolt | ASTM A193 B7 | Carbon Steel | Carbon Steel |
| 12. | Disc Nut | ASTM A194 2H | A194-8 | A194-8 |
| 13. | Outter Pin | 304 | A276-316 | A276-316 |
| 14. | Bracket Bolt | ASTM A193 H7 | A194-8 | A194-8 |
