Wafer Fab Cast Iron Butterfly Valve
Hand-operated cast iron butterfly valve designed for cleanroom use in semiconductor wafer processing lines, controlling inert gas flow, under HTS 8481.80.3030 for butterfly type iron valves. Features low-particle generation and precise throttling for sensitive environments. Meets statistical notes for semiconductor manufacturing equipment.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If incorporating specialized semiconductor features like vacuum compatibility
Valves with advanced process controls for wafer growth may shift to other process valve categories.
If used primarily for testing semiconductor devices
Per statistical notes, testing apparatus for devices often falls in Chapter 90.
If electrically actuated for fab automation
Automated valves exclude from hand-operated classification.
Not sure which classification is right?
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Import Tips & Compliance
• Include end-use statement linking to semiconductor processing to qualify for potential duty relief; ensure FDA or cleanroom certifications if applicable
• Avoid misdeclaration as general plumbing valve to prevent delays
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