What is HS code 842129 used for?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
HS-6 · Subheading
842129
Machinery; for filtering or purifying liquids, n.e.c. in item no. 8421.2
Heading 8421 — Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus for liquids or gases
Chapter 84: Nuclear reactors, boilers, machinery
Plain-language overview
Use HS-6 842129 when you import or export machinery designed for filtering or purifying liquids that do not fall into more specific categories. For example, this code applies to industrial filtration systems used in water treatment plants.
This code is distinct from HS-6 842121, which covers filtering machinery specifically for gases. If your equipment is designed to filter liquids, such as oils or chemicals, 842129 is the correct classification.
The 8421 heading narrows down to centrifuges and filtering machinery, focusing on devices that separate substances or purify liquids. This includes various types of filtration systems that may use different technologies.
Examples of equipment under this code include membrane filtration systems, cartridge filters, and other specialized machinery for liquid purification processes.
Keywords & topics
Useful terms traders and brokers use for this HS-6 subheading.
liquid filtration machinery · industrial filtering systems · water treatment filters · membrane filtration equipment · cartridge filters · chemical processing filters · oil filtration machines · beverage production filters · wastewater purification · laboratory filtration units · centrifuges for liquids · filtering machinery · purifying apparatus for liquids
Examples
Drawn from the official tariff wording for this HS-6 subheading. Always confirm against your published schedule and legal notes.
- Industrial water filtration units for municipal water systems
- Cartridge filter systems used in food processing
- Membrane filtration equipment for pharmaceuticals
- Oil filtration machines for automotive applications
- Chemical processing filters for industrial applications
- Filtration machinery used in beverage production
- Liquid purification systems for wastewater treatment
- Filtration units for laboratory applications
Common questions
Frequent classification questions with short practical guidance.
How to classify filtering machinery for liquids?
Write down material, use, and product form first, then compare nearby lines before you lock the code.
Is my water filtration system covered under HS-6 842129?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
What are examples of machinery under HS-6 842129?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
How does HS-6 842129 differ from 842121?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
What types of products fall under HS-6 842129?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Do I need a customs broker for HS-6 842129?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
What are the national digits for HS-6 842129?
Use this as a comparison hint, then confirm the final decision with legal notes and country-specific rules.
Related topics
Common real-world topics that come up during code comparison.
How to determine if my machinery fits HS-6 842129
Use this topic to narrow your shortlist, then validate the final code against legal wording.
What should I know about importing filtering machinery for liquids
Check the exact product specs and destination-country tariff notes before finalizing the code.
Examples of products classified under HS-6 842129
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Differences between HS-6 842129 and 842121 for filtering machinery
Compare adjacent HS lines and pick the one that matches material, function, and product form most closely.
Guidelines for exporting liquid purification systems
Check the exact product specs and destination-country tariff notes before finalizing the code.
Do I classify my equipment under HS-6 842129?
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Understanding the requirements for HS-6 842129 customs clearance
Check the exact product specs and destination-country tariff notes before finalizing the code.
What are the specific applications for HS-6 842129 machinery?
Use this topic to narrow your shortlist, then validate the final code against legal wording.
Questions & answers
For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.
- What types of machinery are classified under HS-6 842129?
- HS-6 842129 covers machinery for filtering or purifying liquids that are not specified elsewhere. This includes various industrial filtration systems, cartridge filters, and membrane filtration equipment.
- How do I know if my product fits under HS-6 842129?
- If your machinery is designed specifically for filtering or purifying liquids and does not fall under more specific codes like HS-6 842121 for gases, then HS-6 842129 is likely the correct classification.
- Can I use HS-6 842129 for water treatment equipment?
- Yes, HS-6 842129 is applicable for water treatment equipment, including filtration systems used in municipal water supply and wastewater treatment.
- What is the difference between HS-6 842129 and HS-6 842121?
- HS-6 842129 is for filtering machinery for liquids, while HS-6 842121 is specifically for filtering machinery for gases. Ensure your equipment matches the correct category.
- Do I need a customs broker for importing under HS-6 842129?
- While not mandatory, using a customs broker can help ensure compliance with regulations and assist with the classification and documentation process for HS-6 842129.
- What are the national digits for HS-6 842129?
- National digits vary by country. Check with your local customs authority for the specific digits that apply to HS-6 842129 in your region.
- What are some examples of products under HS-6 842129?
- Examples include industrial water filtration units, cartridge filter systems, and membrane filtration equipment used in various industries.
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