Monel Ball Valve
WDL Monel Ball Valve provides quarter-turn isolation with a direct flow path and tight shutoff for hydrofluoric acid processing and marine and seawater systems. Connections, trim and operation are selected to the project conditions.
Description
Monel Ball Valve
WDL Monel Ball Valve provides quarter-turn isolation with a direct flow path and tight shutoff for process systems that need resistance to hydrofluoric acid, seawater and selected reducing media. Monel 400 is a nickel-copper alloy used for controlled hydrofluoric acid, marine and reducing chemical duties.
Design Options
| Item | Available specification |
|---|---|
| Material | Monel 400 / UNS N04400 with optional K-500 trim |
| Function | quarter-turn isolation with a direct flow path and tight shutoff |
| Connections | Flanged, threaded, socket-welded or butt-welded |
| Operation | Lever, gearbox, pneumatic or electric actuator |
| Design basis | API 608, API 6D, ASME B16.34 or project standard |
Typical Applications
- Hydrofluoric acid processing
- Marine and seawater systems
- Brine and salt handling
- Tight process isolation
- Automated emergency or batch shutoff
Selection Notes
Aeration, oxidizing salts, temperature and impurities can change Monel 400 corrosion behavior and must be included in the material review.
Confirm floating or trunnion design, cavity relief, seat material, fire-safe requirement and bore size.
Frequently Asked Questions
Why select Monel 400 for this ball valve?
Monel 400 is a nickel-copper alloy used for controlled hydrofluoric acid, marine and reducing chemical duties. Final suitability depends on the complete process conditions and the selected valve trim.
What information is needed for selection?
Provide the size, pressure rating, medium composition, concentration, temperature, connection standard, operating method and required quantity.
Send the process datasheet to WDL for material review, dimensional confirmation and quotation.






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