Electro-Pneumatic Isolation Valve for Wafer Polishing Effluent
Isolation valve with electro-pneumatic actuator segments effluent lines from chemical mechanical planarization (CMP) wafer polishers in semiconductor fabs. Classified under HTS 8481.80.9025 for electrically actuated process valves.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general chemical processing isolation valves
Chemical industry valves have separate provisions.
If effluent filtering components
Parts of filtering or purifying machinery.
If electrical connections dominate
Other electrical machines with valve functions.
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Import Tips & Compliance
• Chemical resistance certification for CMP slurry chemistries
• Fail-safe position documentation (normally closed/open)
• P&ID integration drawings for system compatibility
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