HS-4 · Heading
8405 — Generators for producer or water gas with or without their purifiers acetylene gas generators and similar water process gas generators, with or without their purifiers
Chapter 84: Nuclear reactors, boilers, machinery
Plain-language overview
Use HS-4 8405 when importing generators for producer gas, water gas, or acetylene gas, such as a water gas generator used in industrial applications. These generators may come with or without purifiers, which are essential for ensuring gas quality.
When deciding between HS-6 840510 and HS-6 840590, consider whether you are importing a complete generator or just parts. 840510 covers fully assembled units, while 840590 is for components like valves or filters used in these generators.
If your shipment includes a generator that is not fully assembled or is intended for repair, you will likely need to classify it under HS-6 840590. This distinction is crucial for accurate tariff classification and compliance with import regulations.
Keywords & topics
Short phrases that describe this HS-4 heading when you're searching or filtering schedules.
HS-4 8405 · producer gas generators · water gas generators · acetylene gas generators · gas generator parts · purifiers for gas generators · industrial gas generators · tariff classification · import requirements for generators · water process gas generators
Examples
Drawn from the official tariff wording for this HS-4 heading. Always confirm against your published schedule and legal notes.
- Complete water gas generator for industrial use
- Acetylene gas generator with built-in purifier
- Parts for a producer gas generator, such as filters
- Replacement valves for water process gas generators
- Purifiers designed for acetylene gas generators
- Generator systems used in chemical manufacturing
Common questions
How people often phrase their search when they're trying to classify goods like yours.
- What is HS-4 8405 used for?
- How do I classify a gas generator for import?
- What are the parts of a water gas generator?
- Do I need a purifier for my acetylene gas generator?
- What is the difference between HS-6 840510 and 840590?
- How to import gas generators into the US?
Related topics
Longer phrases that come up when you're comparing codes or talking to a broker.
- importing producer gas generators under HS-4 8405
- classification of acetylene gas generators for customs
- requirements for water gas generator imports
- understanding HS-6 840510 and 840590 differences
- parts needed for water process gas generators
- how to identify gas generator components for import
- tariff codes for industrial gas generators
- import regulations for acetylene gas generators
Questions & answers
For orientation only—the binding text is your national tariff and the WCO nomenclature your country uses.
- What types of generators are covered under HS-4 8405?
- HS-4 8405 covers generators for producer gas, water gas, and acetylene gas, including those with or without purifiers.
- How do I determine if my shipment falls under HS-6 840510 or 840590?
- If you are importing a complete generator, use HS-6 840510. For parts or components, classify under HS-6 840590.
- Are there specific import requirements for gas generators?
- Yes, ensure compliance with safety and environmental regulations, and check for any necessary permits or certifications.
- What is the significance of purifiers in gas generators?
- Purifiers are crucial for removing impurities from the gas, ensuring it meets quality standards for industrial applications.
- Can I import used gas generators under HS-4 8405?
- Yes, used generators can be imported, but they must meet the same safety and regulatory standards as new units.
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