Turbine Diaphragm Staging from Japan
Modular diaphragm stages that direct steam flow between turbine blade rows, enhancing efficiency in multi-stage vapor turbines. Under HTS 8406.90.75.00 as other turbine parts, not specified elsewhere. Used in combined cycle power plants.
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
• Document flow coefficients and pressure ratings to confirm turbine-specific design; avoid bulk packaging that might suggest parts status over finished assemblies; comply with NACE standards for corrosive environments