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8414.90.91.40/High Vacuum Pump Bellows Valve/Japan

High Vacuum Pump Bellows Valve from Japan

Bellows-sealed isolation valves control gas flow in vacuum pump inlet manifolds for semiconductor wafer grinders. HTS 8414.90.91.40 covers it as a part of vacuum pumps in wafer preparation equipment. Ensures all-metal, bakeable seals for UHV conditions.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Specify bakeout temperature ratings (>200°C) to prove semiconductor fab suitability

• Pair with pump model affidavits for binding ruling requests if uncertain

High Vacuum Pump Bellows Valve from Japan — Import Duty Rate | HTS 8414.90.91.40