Sample Injector Valve for Liquid Chromatographs
High-pressure injection valve for precise sample introduction into HPLC systems of 9027.50.40. Features electrical actuation for automated analysis workflows in environmental testing. Qualifies under 9027.90.56.50 as accessory of electrical chromatographic apparatus.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If principally for HPLC pumps rather than injection
Pump parts classified with base pumps per chapter 84 rules.
If incorporates measuring scales
Measuring instruments take precedence over mere accessories.
If sold as general-purpose high-pressure valve
Valves not dedicated to specific chapter 90 apparatus classified in 8481.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Document maximum pressure ratings (typically 15,000 psi) to confirm analytical vs industrial use
• Include port configuration diagrams (6-port, 10-port) in entry paperwork
• Avoid classifying with pump parts (8413) by emphasizing sample injection function
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