HPLC Binary Pump Check Valve Cartridge
Replaceable check valve cartridge for binary gradient pumps in 9027.50.40 chromatographic systems. Electrically monitored for flow precision in protein analysis. Covered by 9027.90.56.50 as electrical instrument accessory.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If bulk pump repair kits
Pump-specific parts rather than complete analysis instrument components.
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Import Tips & Compliance
• Specify flow directionality and pressure ratings matching OEM specifications
• Sapphire ruby tip material certification prevents undervaluation disputes
• Not classifiable as pump parts (8413) when sold as complete instrument replacement
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