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%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include ASME certification and failure mode analysis documentation
• Specify hydraulic/pneumatic actuation to distinguish from simple valves