Metal seated ball valve
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Consult
Working condition
| Pressure Rating | CLASS 150 – CLASS 600 |
| Nominal Size | NPS1/2~NPS24(DN15~DN600) |
| Internal Leakage Standard | ANSI FCI70-2 CLASS VI Grade or higher |
| Medium | cleaning fluid |
| Temperature range | -50℃~-425℃ |
| Operating Methods | Pneumatic, Manual, Electric, Hydraulic, etc. |
Pain Points and Proposal
1. Internal Leakage:Valves pass factory acceptance tests, but internal leakage happens after online running under long time pressure holding.
2. Jam:Sealing surface damages, resulting in valve jam.
Truth of Leakage -Metal-seated ball valve
Reference