| Material Specification | |||
| NO. | DESCRIPTION | CARBON STEEL | STAINLESS STEEL |
| 1 | SCREW | SS304 | SS304 |
| 2 | SEAL RING | NBR | NBR |
| 3 | BODY | A216 WCB | A351 CF8/CF8M |
| 4 | SEAT | EPDM | EPDM |
| 5 | GATE | SS304 | SS304/SS316 |
| 6 | PACKING | PTFE | PTFE |
| 7 | PACKING GLAND | A216 WCB | A351 CF8/CF8M |
| 8 | BOLT | CARBON STEEL | SS304 |
| 9 | NUT | CARBON STEEL | SS304 |
| 10 | STEM | SS304 | SS304 |
| 11 | SUPPORT PLATE | Q235 | Q235 |
| 12 | NUT | ANSI 1045 | ANSI 1045 |
| 13 | YOKE | A216 WCB | A216 WCB |
| 14 | STEM NUT | COPPER ALLOY | COPPER ALLOY |
| 15 | BEARING | - | - |
| 16 | KEY | ANSI 1045 | ANSI 1045 |
| 17 | LOCKING NUT | ANSI 1035 | ANSI 1035 |
| 18 | HANDWHEEL | - | - |
