Agilent 1100 /1200/1260 HPLC Active Inlet Valve (AIV) (G1312-60025)(Refurbished)

The inlet valve is located underneath the pump head.
Its function is to regulate the flow of the solvent, stopping it from back-flushing and allowing it to only be pumped forward.
The valve can be either passive (PIV) or active (AIV). AIVs have a better performance overall.

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Troubleshooting

Possible issues caused by this broken part:

  • Agilent HPLC pressure ripple too high.
  • Agilent HPLC pressure lower than normal.
  • Agilent HPLC sudden pressure drops.

Possible errors prompted by this broken part:

ERROR MESSAGES:
  • Pressure Below Lower Limit
  • AIV Fuse
  • Inlet-Valve Missing

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