Metal seated ball valve
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Consult
Working condition
| Nominal Size | NPS1/2~NPS24(DN15~DN600) |
| Internal Leakage Standard | ANSI FCI70-2 CLASS VI Grade or higher |
| Medium | cleaning fluid |
| Pressure rating | CLASS150~CLASS2500（PN10~PN420） |
| 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.
Reference
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Process：pharmaceutical process
Description: Ultra-high purity and
hard fluid condition
Size: DN250,
Pressure Rating: PN16,
Medium: Pharmaceutical Products,
Temperature: 30°C, Material: F316L