Part materials
Major part materials
| No. | Part | Material |
|---|---|---|
| 1 | Body | ASTM A216 Gr.WCB |
| 2 | Seat | PTFE |
| 3 | Ball | 304 S.S. |
| 4 | Steel ball | 304 S.S. |
| 5 | Spring | 304 S.S. |
| 6 | Gasket | 304S.S.+Graphite |
| 7 | Packing | Graphite |
| 8 | Stem | ASTM A182 F6a |
| 9 | Bushing | ASTM A276 410 |
| 10 | Gland | ASTM A216 Gr.WCB |
| 11 | Gauge block | AISI 1010 Zinc-coated |
| 12 | Handle | ASTM A216 Gr.WCB |
| 13 | Nut | ASTM A193 Gr.B7 |
| 14 | Retaining ring | 304 S.S. |
| 15 | Body fire-safe ring | 304 S.S. |
| 16 | Bonnet | ASTM A216 Gr.WCB |
