| Material Specification | |||
| NO. | DESCRIPTION | CARBON STEEL | STAINLESS STEEL |
| 1 | BODY | A216 WCB | A351 CF8/CF8M |
| 2 | SEAT | PTFE | PTFE |
| 3 | DISC | SS304 | SS304/SS316 |
| 4 | TIE-IN | ANSI 1025 | STAINLESS STEEL |
| 5 | PIN | ANSI 1035 | STAINLESS STEEL |
| 6 | STEM | SS304 | SS304/SS316 |
| 7 | NUT | A194 2H | A193 8M |
| 8 | BOLT | A193 B7 | A194 B8M |
| 9 | BONNET | A216 WCB | A351 CF8/CF8M |
| 10 | PACKING | PTFE | PTFE |
| 11 | GLAND | A216 WCB | A351 CF8/CF8M |
| 12 | YOKE | A216 WCB | A216 WCB |
| 13 | BREAING | ANSI 1045 | ANSI 1045 |
| 14 | YOKE NUT | BRONZE | BRONZE |
| 15 | LOCK NUT | ANSI 1035 | ANSI 1035 |
| 16 | CEAR | - | - |
