Chemical Injection Pump
Small reciprocating pump for continuous low-flow chemical addition in oil & gas production. HTS 8413.50.0090 covers this as other reciprocating positive displacement pump. Corrosion-resistant construction for harsh wellhead environments.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If wait, same code - actually 8431.49.9040
Oil/gas field parts and accessories including certain injection pumps classified with extraction machinery.
If with electronic flow controller for precise metering
Pumps with sophisticated measuring capability for chemical process control reclassified.
If for laboratory-scale chemical analysis
Lab instruments for measuring/controlling liquids, even with pumps, classified as scientific instruments.
Not sure which classification is right?
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Import Tips & Compliance
• Classify based on pump mechanism, not end-use; oilfield application doesn't change HTS
• Provide wetted materials list (Hastelloy, 316SS) for chemical compatibility verification
• Document as 'complete pump assembly' vs components to avoid parts classification
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