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For machinery and apparatus for filtering or purifying water

Pulley tackle and hoists other than skip hoists; winches and capstans; jacks. > Parts: > Of centrifuges, including centrifugal dryers > Other > For machinery and apparatus for filtering or purifying water

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Products classified under Tariff item 8421.99.00.10

Air Ionizer Filter Housing

This housing is a component of air purifying systems that incorporate ionizers, designed for cleanroom environments in semiconductor fabrication facilities. It is classified as a part of gas filtering apparatus, as it is essential for the structural support and integration of HEPA filters within the purification system.

Centrifugal Dryer Housing Assembly

This outer housing and structural assembly is a part of industrial centrifugal dryers used in semiconductor wafer processing to remove liquids from wafers after rinsing. It is classified under tariff item 8421.99.00 as a component of centrifugal dryers.

Centrifuge Rotor Bowl

The rotating bowl is a key component of industrial centrifuges used for separating chemicals in semiconductor precursor preparation. It is classified under tariff item 8421.99.00 as a part of centrifuges for liquids processing.

Chemical Vapor Filter Cartridge Base

This base plate is a component of replaceable cartridges used in chemical vapor filters that remove byproducts from semiconductor CVD exhaust gases. It is classified under tariff item 8421.99.00 as a part of purifying apparatus for gases.

Exhaust Gas Quencher Nozzle Array

This array of spray nozzles is used in gas quenching modules that rapidly cool reactive semiconductor process exhaust before purification. It is classified under tariff item 8421.99.00 as a part of gas purifying systems.

Gas Purifier Inlet Manifold

This stainless steel manifold distributes process gases into point-of-use purifiers for removing impurities in semiconductor etching and deposition processes. It is classified under tariff item 8421.99.00 as a part of gas purifying apparatus.

Liquid Filter Membrane Holder

This precision holder is designed for replaceable membranes in inline filters that purify photoresist developers and cleaners for semiconductor wafers. It is classified under tariff item 8421.99.00 as a part of liquid filtering apparatus.

Photoresist Filter Head Assembly

This head assembly connects high-pressure photoresist filters in dispense systems for semiconductor lithography coaters. It is classified under tariff item 8421.99.00 as a part of liquid filtering apparatus.

Point-of-Use Gas Scrubber Tank

This containment tank is used in wet scrubbers that neutralize acid gases at point-of-use in semiconductor process tools. It is classified under tariff item 8421.99.00 as a part of gas purifying apparatus.

Process Gas coalescing Filter Bowl

This pressure vessel bowl collects liquid aerosols from coalescing filters in semiconductor bulk gas lines. It is classified under tariff item 8421.99.00 as a part of gas filtering apparatus.

Solvent Recovery Centrifuge Drum

This drum assembly is used in centrifuges that recover PGMEA solvents from photoresist waste in semiconductor lithography areas. It is classified under tariff item 8421.99.00 as a part of centrifuges for liquids.

Spin Dryer Impeller Assembly

This high-speed impeller directs airflow in wafer spin dryers for post-rinse drying in semiconductor lines. It is classified under tariff item 8421.99.00 as a part of centrifugal dryers.

UF Water Filter Module Frame

This aluminum frame holds ultrafiltration membrane modules for ultrapure water production in semiconductor DI systems. It is classified under tariff item 8421.99.00 as a part of filtering apparatus.

Wafer Filtering Pump Housing

This precision-machined housing is for pumps in ultra-pure water filtering systems used in semiconductor wafer cleaning lines to purify process liquids. It is classified under tariff item 8421.99.00 as a part of filtering or purifying apparatus.

Wafer Rinse Centrifuge Basket

This perforated titanium basket holds wafer carriers during high-speed spin-rinsing in semiconductor post-CMP cleaning. It is classified under tariff item 8421.99.00 as a part of centrifuges for liquid removal.