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Stationary Gravel Classifying Tank

A stationary gravel classifying tank is a fixed hydraulic classifying tank with multiple compartments that uses rising current separation to sort gravel and sand fractions for concrete aggregate. It is classified under 8474.10.00 as a separating machine for mineral substances.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

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.

8421.29.00Same rate: Free

If the tank is used for filtering or purifying water

Centrifuges and filtering apparatus for liquids are classified under heading 84.21.

8474.90.00Same rate: Free

If importing replacement parts for the classifying tank

Parts of mineral separating machines are classified under this heading.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Confirm that the tank is designed for mineral separation and not for water treatment, which would fall under a different chapter

• Keep records of the machine's specifications and intended use for CBSA verification

• Consider whether the tank is part of a larger aggregate processing system

Related Products under Tariff item 8474.10.00

Aggregate Dewatering Screen

An aggregate dewatering screen uses high-frequency vibration to remove water from washed sand and gravel, effectively screening and dewatering mineral substances. This machine falls under tariff item 8474.10.00 as it is designed for sorting, screening, separating, or washing earth, stone, ores, or other mineral substances in solid form.

Coal Washing Jig

A coal washing jig uses pulsating water to stratify coal by density, separating ash and impurities. This machine is classified under tariff item 8474.10.00 as it performs washing and separating functions on solid mineral fuels.

Crushing Screen Combo Unit

A mobile crushing and screening plant combines jaw crushing with vibrating screens to process quarried stone into aggregates. Although it includes crushing, the primary function is screening and sorting mineral substances, placing it under tariff item 8474.10.00.

Density Separator for Minerals

A density separator for minerals uses a fluidized bed to achieve density-based separation of coal or ores. This machine is classified under tariff item 8474.10.00 as it separates solid mineral substances.

Fixed Bauxite Ore Washing Station

A stationary trommel scrubber and attrition cell system for washing red mud clay from bauxite ore prior to alumina refining. This fixed installation performs washing of mineral ores, qualifying under tariff item 8474.10.00 for stationary washing machines.

Fixed Copper Ore Shaking Table

A stationary Wilfley shaking table for gravity concentration of copper sulfides and native copper from milled ore. This fixed machine separates minerals by density, fitting tariff item 8474.10.00 for stationary separating machines of mineral substances.