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Brass Diaphragm Pump Valve Assembly from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter

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