Copper Spring Check Valve 3/4 Inch from Japan
A 3/4-inch copper spring-loaded check valve for preventing reverse flow in hydronic heating systems and potable water pipes, using a spring to seat the poppet. Falls under HTS 8481.30.10.10 due to its copper construction and low-pressure rating under 850 kPa. Compact design suits tight spaces in HVAC and residential installations.
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%
Import Tips
• Label products clearly as 'low-pressure check valves' and provide max PSI rating (under 123 psi equiv. to 850 kPa) on packaging
• Comply with NSF/ANSI 61 standards for potable water use; include certification docs to speed customs clearance
• Avoid misdeclaration as brass if pure copper to match exact HTS copper definition