Turbine Diaphragm Staging
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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| ๐จ๐ณChina | Free | +35.0% | 35% |
| ๐ฒ๐ฝMexico | Free | +10.0% | 10% |
| ๐จ๐ฆCanada | Free | +10.0% | 10% |
| ๐ฉ๐ชGermany | Free | +10.0% | 10% |
| ๐ฏ๐ตJapan | Free | +10.0% | 10% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for gas turbine stationary components
Stationary parts like diaphragms for gas turbines are under 8411, differentiated by operating fluid.
If imported as unfinished steel fabrications
Incomplete or unfinished metal articles may classify under Chapter 73 as other steel articles before completion.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
โข 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
Related Products under HTS 8406.90.75.00
Steam Turbine Rotor Assembly
A precision-engineered rotor assembly designed for high-speed rotation within steam turbines to convert thermal energy into mechanical power. Classified under HTS 8406.90.75.00 as a part of steam or vapor turbines, specifically under 'other' parts not covered by more specific subheadings. It features balanced blades and shaft for efficient energy transfer in power generation applications.
Vapor Turbine Blade Set
A set of aerodynamic blades crafted from high-temperature alloys for installation in vapor turbines, optimizing steam flow and energy extraction. Falls under HTS 8406.90.75.00 as 'other' parts of steam or vapor turbines, distinct from rotors or casings. Essential for industrial power plants and marine propulsion systems.
Steam Turbine Bearing Housing
A robust housing unit that encases and supports bearings in steam turbines, ensuring alignment and vibration control during operation. Classified in HTS 8406.90.75.00 as other parts of steam or vapor turbines. Critical for maintaining turbine efficiency in utility-scale power generation.
Vapor Turbine Nozzle Ring
A circumferential ring of precision nozzles that accelerate vapor onto turbine blades for optimal impulse reaction. HTS 8406.90.75.00 covers it as other parts of vapor turbines. Vital for high-pressure industrial applications.
Steam Turbine Gland Seal Assembly
Labyrinth or brush seal assemblies that minimize steam leakage at turbine shaft penetrations, preserving efficiency. Classified under HTS 8406.90.75.00 as other turbine parts. Common in large utility steam turbines.
Turbine Coupling Adapter
Specialized adapter connecting turbine rotor to driven equipment like generators, accommodating misalignment. HTS 8406.90.75.00 for other vapor turbine parts. Used in cogeneration plants.