8406.90.45/Steam Turbine Trip Valve Block/Japan

Steam Turbine Trip Valve Block from Japan

Manifold blocks housing emergency trip valves that rapidly cut steam supply for overspeed protection. Classified HTS 8406.90.45 as other steam turbine parts. Mandatory safety component per ASME codes.

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%

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Import Tips

• Include ASME certification and failure mode analysis documentation

• Specify hydraulic/pneumatic actuation to distinguish from simple valves