Steam Turbine Exhaust Casing Section
Low-pressure casing segments directing exhaust steam to condensers, fabricated from specialized alloys. Under HTS 8406.90.45 as other parts of steam turbines. Key for vacuum efficiency in Rankine cycle plants.
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More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If general pressure tanks/reservoirs
Steel tanks not dedicated to turbines classify in 7309.
If for gas turbine exhaust systems
Casing function determines classification by turbine working medium.
If industrial steam processing equipment
If for non-power generation steam handling, becomes machines NESOI.
Not sure which classification is right?
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Import Tips & Compliance
• Provide stress analysis proving design for steam pressures/temperatures
• Segmented casings need clear marking of turbine stage/position
• Watch volumetric duties on large, lightweight alloy fabrications
Related Products under HTS 8406.90.45
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 8406.90.45 as a part of steam turbines, specifically under 'other' parts not covered by more specific subheadings. It is essential for power generation in industrial and utility applications.
Steam Turbine Nozzle Ring Assembly
Circular arrays of precision nozzles that accelerate steam into high-velocity jets impinging on turbine blades. HTS 8406.90.45 covers this as other parts of steam turbines, optimizing expansion efficiency. Critical for combined-cycle power plants.
Steam Turbine Blade Carrier Disc
Forged discs that serve as carriers for turbine blades, providing structural support in high-pressure stages. Classified as other parts under HTS 8406.90.45 for steam turbines. Vital for aerospace-derived industrial turbines.
Steam Turbine Generator Coupling
Flexible disc or gear-type couplings synchronizing turbine and generator shafts for grid-stable operation. HTS 8406.90.45 as other steam turbine parts. High misalignment tolerance for base-load plants.
Steam Turbine Thrust Bearing
Tilting pad thrust bearings absorbing axial loads from steam pressure differentials on rotors. Under HTS 8406.90.45 for other steam turbine parts. Oil-lubricated for continuous 24/7 operation.
Steam Turbine Bellows Expansion Joint
Multi-ply stainless steel bellows compensating for thermal expansion between turbine casing sections. HTS 8406.90.45 as other steam turbine parts. Critical for alignment in high-temperature environments.