1140 Typical Valve Configurations
10 of 10
Jun 2001
Valves
Agilent 6890 Gas Chromatograph Service Manual
Column 2
Carrier 1
Carrier 2
OFF
Detector
or 2nd Valve
ON
Column 1
Vent
Column Selection with Backflush to Vent, Option 806 or 836
Carrier
Carrier
OFF ON
Liquid Sampling, Options 850, 852, 854, and 856