SPIRAX SARCO
M21Si / M21Vi
Ball valves
Isolation ball valves for steam and process duties. Specify bore, seat, body, connection and actuation requirements for the exact model.
Nominal sizeModel specific
Body materialModel dependent
ConnectionModel dependent
Confirm availability
Stock, configuration, country of origin and delivery date are confirmed in our quotation.
Technical overview
| Brand | Spirax Sarco |
|---|---|
| Model / series | M21Si / M21Vi |
| Product family | Ball valves |
| Nominal size | Model specific |
| Body material | Model dependent |
| Connection | Model dependent |
| Design rating / limits | Confirm the exact model and configuration |
| Reference | TI-P133-77 |
¹ Availability varies by model, size and regional configuration. ² Larger sizes have separate documentation.
Series overview only. Pressure and temperature limits are interdependent. Match the complete model, connection and trim to the current manufacturer datasheet before ordering.
Technical documents
M21SI M21VI-TI-P133-77-ENEnglish PDFRead the document revision and configuration notes before selecting.
Manufacturer sourceSelection checklist
Isolation ball valves for steam and process duties. Specify bore, seat, body, connection and actuation requirements for the exact model. Send the complete model and nameplate photograph for a quotation. Availability and the applicable manufacturer revision are confirmed for the selected configuration.
Provide the full model or a clear nameplate, operating conditions, end connections, quantity and required delivery date.
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