8481.30.10/Bronze Spring Check Valve 3/4 Inch/Japan

Bronze Spring Check Valve 3/4 Inch from Japan

A spring-loaded check valve primarily of copper alloys (bronze), designed to automatically close via spring action to prevent reverse flow in water systems. Classified under HTS 8481.30.10 due to its copper base material and function as a nonreturn valve for pipes and boilers. Ideal for irrigation and HVAC applications.

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%

Calculate with your customs value Verify classification with AI

Import Tips

• Provide alloy certifications (e.g

• UNS C83600 bronze) to prove copper dominance over 50% for this classification

• Label with NSF/ANSI 61 certification for potable water use to meet U.S. import standards