◆ Material Of API Casting Ball Valve

| Pos. | Part | Material |
| 1 | Body | WCB 、WC6 、WC9 、CF8、 CF8M、 CF3、 CF3M 、CN7M |
| 2 | Ball | A105、F304、F316、F51、F53 |
| 3 | Stem | F6a、AISI304、AISI316、17-4PH |
| 4 | Seat | PTFE、RPTFE、PPL、Metal seat |
| 5 | Bonnet | WCB 、WC6 、WC9 、CF8、 CF8M、 CF3、 CF3M 、CN7M |
| 6 | Bolt | ASMT B193-B8M、B8、B7 |
| 7 | Nut | ASMT B194-8M、8、2H |
| 8 | Stem Packing | Flexible Graphite |
| 9 | Gland | SS304、SS316 |
| 10 | Stem Nut | ASMT B194-8M、8、2H |
| 11 | Lever | WCB |
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