Hand-Operated Iron Check Valve from Mexico
A cast iron check valve manually operated to prevent backflow in piping systems, commonly used in water and wastewater lines. Classified under HTS 8481.80.3040 for other hand-operated valves of iron. Ensures one-way flow in tanks and boiler applications.
Duty Rate — Mexico → United States
15.6%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide flow diagrams and installation manuals to demonstrate hand-operation and prevent reclassification as automatic
• Label with maximum pressure and temperature ratings per ASME standards for compliance
• Avoid bundling with actuators; separate shipments prevent set classification issues