Brass Diaphragm Pump Valve Assembly from Mexico
A brass check valve assembly used in diaphragm pumps to control liquid flow direction and prevent backflow. Classified in HTS 8413.91.90 as other parts of liquid pumps, integral to metering and dosing applications. Ensures reliable sealing and durability in corrosive environments.
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
• Label with exact pump type (e.g
• metering pump) and flow specs to distinguish from general valves
• Require supplier affidavits confirming non-use in fuel injection systems to avoid 8413.91.10