Nupro Brass Globe Valve G4 Series from Japan
Nupro G4 Series hand-operated globe valve made of brass (copper alloy), exceeding 850 kPa, for gas lines in float zone crystal pullers for semiconductor wafers. Provides reliable throttling in ultra-clean environments. HTS 8481.80.1070 due to copper base metal, high pressure, and globe style.
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%
Import Tips
• Confirm brass is copper-zinc alloy >70% Cu via mill test report for Chapter 84 classification
• Detail stem and packing materials to avoid parts-only classification