HS Code for Gas generators

HS code 8405.10 is specifically designated for producer gas or water gas generators, with or without their purifiers, as well as acetylene gas generators and similar water process gas generators. The classification is determined by the functional nature of the machinery, which must involve a chemical or thermal process to generate gas from solid fuels like coal, coke, or charcoal, or through the controlled reaction of water with certain chemicals such as calcium carbide for acetylene production. This code is specific to the production of the gas itself as a raw material or fuel source, rather than the utilization of that gas for mechanical power. The inclusion of purifiers is permitted under this heading provided they are imported or exported as part of the generator system; standalone purifiers might be classified elsewhere depending on their specific technology. These generators are often used in industrial settings where a steady supply of specific gases is required for chemical synthesis or metalworking. The classification also covers water gas generators which produce a mixture of hydrogen and carbon monoxide by passing steam over incandescent fuel.

Products Included

• Producer gas generators using coal or wood
• Water gas generators
• Acetylene gas generators (wet and dry types)
• Blue water gas generators
• Purifiers specifically designed for and presented with the above generators
• Gas-generating units for laboratory use operating on these principles

Common Misclassification

A frequent error is classifying these units under HS code 8502, which covers electric generating sets. The distinction lies in the output: 8405 produces gas, while 8502 produces electricity. Another common confusion occurs with HS code 8411, which covers gas turbines; while turbines use gas, they do not generate the gas itself. Additionally, ozone generators are excluded from this heading and are typically classified under HS code 8543, as they operate on an electrical discharge principle rather than a water or thermal process.

FAQ

What is the HS code for Gas generators?

The correct HS code for gas generators, including producer gas and acetylene gas generators, is 8405.10.

Can this code include purifiers?

Yes, gas purifiers are classified under 8405.10 if they are presented with the gas generator they are intended for. Standalone filtering or purifying machinery is usually classified under HS code 8421.