Blow Tank Pressure Valve from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include pressure ratings and ASME stamps in filings; test certificates mandatory; pitfall: confusing with general steam valves under 8481