PVDF Butterfly Valve for Wafer Polishing Slurry Tanks
Hand-operated PVDF (Kynar) butterfly valve regulating slurry flow to tanks in wafer polishers achieving nanometer flatness for semiconductor devices. Plastic construction prevents contamination. Classifies 8481.80.50 as hand-operated valve of other materials for wafer processing vats.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If actuator-equipped for automated polishing lines
Non-manual butterfly valves fall under general appliances.
If flexible plastic hose fittings without valve actuation
Plastic pipe fittings lack valve provisions.
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Import Tips & Compliance
• Include FDA/USP Class VI certification for semiconductor cleanroom plastics
• Specify slurry chemical compatibility in technical datasheets
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