Duplex Discharge Valve
WDL Duplex Discharge Valve provides controlled draining from reactors, vessels and process tanks for seawater and desalination systems and offshore and marine pipelines. Connections, trim and operation are selected to the project conditions.
Description
Duplex Discharge Valve
WDL Duplex Discharge Valve provides controlled draining from reactors, vessels and process tanks for process systems that need high strength with resistance to chloride pitting and stress-corrosion cracking. Duplex stainless steel combines austenitic and ferritic phases for chloride service that requires higher strength than 300-series stainless steel.
Design Options
| Item | Available specification |
|---|---|
| Material | Duplex 2205, Super Duplex 2507 or project grade |
| Function | controlled draining from reactors, vessels and process tanks |
| Connections | Flanged or welded vessel and pipeline connections |
| Operation | Manual, pneumatic, electric or hydraulic actuator |
| Design basis | Project drawing, vessel interface and applicable pressure standard |
Typical Applications
- Seawater and desalination systems
- Offshore and marine pipelines
- Pulp and paper processing
- Reactor bottom discharge
- Tank draining and batch transfer
Selection Notes
Choose 2205, 2507 or another grade from chloride level, temperature, pressure and required pitting resistance.
Confirm the mounting orientation, dead-space limit, crystallization tendency, solids size and vessel nozzle dimensions.
Frequently Asked Questions
Why select Duplex Stainless Steel for this discharge valve?
Duplex stainless steel combines austenitic and ferritic phases for chloride service that requires higher strength than 300-series stainless steel. 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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