Stainless Steel Impeller Hub for Vacuum Pump Compressor
A precision-machined stainless steel hub that mounts and balances the impeller in vacuum pump compressors for crystal grower systems in semiconductor production. Classified under HTS 8414.90.41.80 as a compressor part critical for maintaining rotational integrity under vacuum conditions.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If exclusively for vacuum pumps rather than compressors
Pure vacuum pump parts classify under 8413.91, separate from gas compressor parts.
If machined from flywheels or pulleys
Parts like hubs resembling flywheels go to 8483 for transmission shafts and components.
If installed in semiconductor wafer slicing machines
Integrated parts of semiconductor processing machines default to 8479.90.
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Import Tips & Compliance
• Provide material certificates confirming stainless steel composition to meet anti-dumping scrutiny
• Declare compatibility with specific models of Czochralski crystal pullers to support classification
• Avoid misdeclaration as pump housing, which could shift to 8414.90.20; specify 'hub' function
Related Products under HTS 8414.90.41.80
Carbon Fiber Reinforced Impeller Hub
Advanced carbon fiber hub for lightweight, high-RPM impellers in gas compressors used for float zone crystal growth in semiconductor manufacturing. HTS 8414.90.41.80 covers this as a compressor hub part for precise material processing.
Ceramic-Coated Impeller Cover for Cleanroom Compressors
Ceramic-coated metal impeller cover for compressors in semiconductor wafer polishing equipment, providing corrosion resistance and particle-free surfaces. Specifically classified under HTS 8414.90.41.80 as a compressor impeller cover.
Brass Compressor Impeller Hub for Testing Equipment
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High-Temp Alloy Impeller Cover for Crystal Pullers
Heat-resistant alloy impeller cover for compressors supplying controlled atmosphere to Czochralski crystal pullers in semiconductor boule production. Classified HTS 8414.90.41.80.
Anodized Aluminum Impeller Hub for Wafer Grinders
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Aluminum Compressor Impeller Cover
This aluminum impeller cover is designed to enclose and protect the rotating impeller in industrial air compressors used for semiconductor wafer processing equipment. It falls under HTS 8414.90.41.80 as a part specifically for compressors, ensuring airtight sealing and precise airflow management during high-pressure gas compression.