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Waters

HPLC Pressure Fluctuating - WKB10722

Article number: 10722

SYMPTOMS

  • Pressure fluctuating from 0-600 psi with and without column.
  • Priming does not help.
  • Peaks are eluting late.
  • Pressure dropout on plunger stroke
  • Loss of pressure

ENVIRONMENT

  • Alliance HPLC System
  • 2695 Separations Module
  • 515 HPLC Pump
  • 1500 series

CAUSE

Faulty check valves.

FIX or WORKAROUND

Replace check valves. Sold as PERFORMANCE PLUS SAPPHIRE CV CART (2) part number 700000254

ADDITIONAL INFORMATION

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