Typical Valve Configurations
1140
Column 2
1
Column
Carrier
Detector
valve
Adj.Restr.
OFF
ON
Column Isolation, Option 702 or 732*
*High temperature needle valve supplied with option 732
to GSV
Stream 1 in
Sample in
Vent
Stream 2 in
ON
OFF
Two Stream Selection (Requires Gas Sampling), Option 703 or 733
3 of 10
Valves
Jun 2001
Agilent 6890 Gas Chromatograph Service Manual