Spiral Classifier Overflow Weir
Adjustable overflow weir plate for spiral classifiers that separate fine minerals from coarser particles in washing circuits. Fits HTS 8474.90.0010 as part of mineral washing/separating equipment. Typically polyurethane or steel for corrosion resistance.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If generic steel fabricated plates
Steel articles not identifiable as machinery parts go to Chapter 73.
If liquid separating centrifuges
Centrifuge parts for liquid/solid separation classify under 8421.
If coal screening/washing equipment
Fuel-specific mineral processing has separate provisions.
Not sure which classification is right?
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Import Tips & Compliance
• Document angle adjustment mechanism to prove classification function
• Pair with full classifier assembly BOM for context in CBP rulings
• Avoid bulk packaging that suggests general steel fabrication
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Cast iron motor mounting frame for industrial vibratory separators used in mineral powder screening. Under HTS 8474.90.0010 as structural part of screening machines for mineral powders. Precision machined for vibration isolation.
Vibrating Screen Deck for Ore Processing
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Magnetic Separator Drum Assembly
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Flotation Cell Impeller for Ore Washing
Rubber-lined impeller for froth flotation cells that agitates mineral pulp for selective separation in washing processes. Under HTS 8474.90.0010 as part of separating/washing machines for mineral ores. Critical for air dispersion and particle suspension.