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Duplex Stainless Steel Dual Plate Check Valve from Japan

Compact duplex stainless steel dual plate check valve with two spring-loaded plates for low cracking pressure and minimal head loss. Classified HTS 8481.30.20.90 as steel nonreturn valve for high-corrosion industrial pipes and tanks. Excellent for slurry and high-velocity flows.

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

Provide duplex steel (e.g

2205) chemical analysis to justify steel classification over alloy

Include flow coefficient (Cv) data for proper engineering validation during customs

Separate from pipe spools to prevent set classification issues