Blow Tank Pressure Valve from Japan
High-pressure relief valve for pulp blow tanks that discharge cooked pulp from digesters safely. Classified in HTS 8439.91.90.00 as a part for pulp-making machinery handling fibrous cellulosic materials. Critical for process safety and continuous operation.
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
• Include pressure ratings and ASME stamps in filings; test certificates mandatory; pitfall: confusing with general steam valves under 8481