Steam Turbine Labyrinth Seal
Non-contact seal with interlocking teeth preventing steam leakage between rotating and stationary turbine parts. Precision-machined from hard alloys, HTS 8406.90.45.80 as other parts (not leak-proof packing). Reduces efficiency losses in high-speed turbine environments.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If static gasket or packing
Contact seals and packing classified as static articles in 8484.
If gas turbine interstage seals
Same function but different turbine type changes classification.
If carbon or graphite material
Material composition dictates Chapter 68 for certain seal types.
Not sure which classification is right?
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Import Tips & Compliance
• Differentiate from brush seals or packing via clearance specifications
• Surface finish measurements critical for customs engineering review
Related Products under HTS 8406.90.45.80
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 8406.90.45.80 as a part of steam turbines, specifically under 'other' categories for non-leak-proof components. It features balanced blades and shaft for efficient energy transfer in power generation applications.
Steam Turbine Blade Set
A set of forged or cast blades optimized for steam flow in axial or radial steam turbines, typically made from nickel-based superalloys. Falls under HTS 8406.90.45.80 as 'other' parts of steam turbines, excluding diaphragms and leak-proof parts. Essential for energy extraction stages in industrial and utility turbines.
Steam Turbine Casing Section
Segmented high-pressure casing section forged from alloy steel to contain steam flow and support internal components in steam turbines. Under HTS 8406.90.45.80 as other parts, distinct from complete turbines or specified sub-parts. Critical for maintaining pressure integrity in power plant operations.
Steam Turbine Nozzle Ring
Annular assembly of stationary nozzles directing high-velocity steam onto turbine blades for impulse extraction. Made from heat-resistant castings, under HTS 8406.90.45.80 as other steam turbine parts. Key component in high-pressure and intermediate-pressure turbine stages.
Steam Turbine Exhaust Hood
Large fabricated structure collecting low-pressure exhaust steam from final turbine stages, directing to condenser. Heavy steel plate construction with insulation mounts, under HTS 8406.90.45.80 other parts. Essential for condensing cycle efficiency in power plants.
Steam Turbine Journal Bearing
Hydrodynamic tilting pad journal bearing supporting turbine rotor with forced lubrication system for high-load capacity. Specialized babbitt-lined pads, HTS 8406.90.45.80 as other steam turbine parts. Critical for rotor stability at supercritical speeds.