Agilent Technologies 6890 Series - Page 666

7 of 10
Jun 2001
Valves
Agilent 6890 Gas Chromatograph Service Manual
Typical Valve Configurations 1140
OFF ON
Custom Plumbing (Diagram Required), Option 800 or 830
Column
Detector
or 2nd Valve
1st Carrier
Out
S
ample
In
Loop
2nd Carrier
OFF ON
Gas Sampling with Backflush of Precolumn to Vent, Option 801 or 831
Precolumn
Vent