◆ Material Of EPDM Liner Concentric Butterfly Valve
| Pos. | Part | Material |
| 1 | Body | Ductile Iron |
| 2 | Disc | A351-CF8M |
| 3 | Stem | AISI 420 |
| 4 | Seat | NBR |
| 5 | Operated Tem | -29~120℃ |
| 6 | Bolt | ASMT B193-B7 |
| 7 | Nut | ASMT B194-2H |
| 8 | Stem Packing | Flexible Graphite |
| 9 | Gland | ASMT SS410 |
| 10 | Stem Nut | B194-2H |
| 11 | Gearbox | WCB |
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