Rotary Archimedes Screw Pump from Japan
Open screw pump for wastewater sludge using Archimedes principle rotary motion. Classified HTS 8413.60.00.90 other rotary positive displacement for liquids. Slow speed prevents solids damage.
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
• Solids handling capacity specs critical for wastewater apps
• Incline angle documentation supports screw design
• Avoid 'progressive cavity' terminology to prevent screw pump confusion