
1100 Series Capillary LC System Manual 143
Options 6
Micro Column Switching Valve G1388A#055
The micro column switching valve allows to work with 2 columns and to select
either the one or the other. The offline column is sealed by connecting head to
rail. Switching should be done when the flow is off and the pressure is zero.
Figure 40 shows the flow diagram when column 1 is active. Figure 41 shows
the flow diagram when column 2 is active.
Figure 40 Column 1 Active
Figure 41 Column 2 Active
1
2
3
4
6
To det e c t o r
From autosampler
Column 1 Column 2
Heater assembly 1 Heater
Heater assembly 2
5
1
2
3
4
6
To d et ect or
rom autosamp
er
Column 1 Column 2
Heater assembly 1
Heater Heater assembly 2
5
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