Hastelloy Butterfly Valve
WDL Hastelloy Butterfly Valve provides compact quarter-turn isolation or flow regulation for mixed-acid chemical processing and wet chlorine and hypochlorite systems. Connections, trim and operation are selected to the project conditions.
Description
Hastelloy Butterfly Valve
WDL Hastelloy Butterfly Valve provides compact quarter-turn isolation or flow regulation for process systems that need corrosion resistance in mixed-acid and chloride-bearing process media. Hastelloy alloys are selected for chemical streams that combine chlorides with reducing or oxidizing conditions.
Design Options
| Item | Available specification |
|---|---|
| Material | Hastelloy C-276, C-22 or project-specified grade |
| Function | compact quarter-turn isolation or flow regulation |
| Connections | Wafer, lugged or double-flanged |
| Operation | Lever, gearbox, pneumatic or electric actuator |
| Design basis | API 609, EN 593, API 598 or EN 12266-1 |
Typical Applications
- Mixed-acid chemical processing
- Wet chlorine and hypochlorite systems
- Fertilizer and pulp bleaching lines
- Large-diameter process pipelines
- Automated isolation and control loops
Selection Notes
Confirm the acid concentration, chloride content, temperature and contaminants before choosing C-276, C-22 or another Hastelloy grade.
Specify shutoff direction, seat material, flange standard, solids content and required operating torque.
Frequently Asked Questions
Why select Hastelloy Alloy for this butterfly valve?
Hastelloy alloys are selected for chemical streams that combine chlorides with reducing or oxidizing conditions. 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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