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Agilent LC pump overpressurizes (bad active inlet valve cartridge) - WKB249781

Article number: 249781

SYMPTOMS

  • Agilent LC pump overpressurizes
  • Agilent LC pump shows random drops in pressure
  • Manual flow rate accuracy test failure
  • Leak test failure

ENVIRONMENT

  • Agilent LC

CAUSE

Bad active inlet valve cartridge

FIX or WORKAROUND

Replace the active inlet check valve assembly (5062-8562).

ADDITIONAL INFORMATION

Find directions on how to replace the active inlet check valve in Repairing/Replacing the Pump Head Assembly, pages 5-7.  

This part can be used on models G1310A, G1311A/C, G1312A/C, G1376A, and G2226A for a maximum pressure of 400 bar.

(For models G1310B, G1311B, G1312B, G7111A/B, and G7112B, use part G1312-60020 for a maximum pressure of 600 bar.)

id249781, checkvalve

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