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