8424 - Mechanical appliances (whether or not hand operated) for projecting, dispersing or spraying liquids or powders; fire extinguishers, whether or not charged; spray guns and similar appliances; steam or sand blasting machines and similar jet projecting machines; parts thereof:
Sub-classifications
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8424 1000 00
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8424 2010 00
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8424 90
Overview
Chapter 84 broadly covers machinery and mechanical appliances. Within this chapter, heading 8424 specifically addresses mechanical appliances designed for projecting, dispersing, or spraying liquids or powders. This encompasses a diverse range of equipment, including fire extinguishers, spray guns, steam and sand blasting machines, and similar jet projecting devices. The core function is the controlled expulsion of substances, whether for safety, application, or cleaning purposes.
This heading is distinguished from other machinery headings by its focus on the projection or dispersal mechanism. For example, while some machinery might handle liquids or powders, 8424 is for those that *project* them. It is distinct from pumps (which primarily move fluids) or simple containers. The "whether or not hand operated" clause indicates that both manual and powered devices fall within this scope, provided their primary function is projection or spraying.
Heading 8424 is further subdivided to provide more granular classification. Subheadings differentiate based on the specific type of appliance, such as fire extinguishers (8424.10), spray guns (8424.20), and sand blasting machines (8424.30). Other, more general categories for agricultural or horticultural sprayers, and "other appliances" capture the remaining diversity. Finally, a dedicated subheading (8424.90) is provided for parts of these machines, allowing for the separate classification of components.