Bronze Spring Check Valve 3/4 Inch from Canada
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 — Canada → United States
13%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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