Agilent Technologies 6890 Series Service Manual page 116

gang fitting on the flow manifold. Flow control is the same as for the septum
head.
Column head
pressure
control loop
Flow
limiting
frit
Figure 240-3
After the injection, the solenoid valve opens and the flow control is the same
as during split mode operation. See Figure 240-1 (or Figure 240-2).
Jun 2001
Programmed Temperature Vaporization Inlet (PTV)
Split SPR
vent vent
SPR
PS
Valve
PV2
closed
FS
PV1
Temperature
conversion
board
valve
Splitless mode flow control diagram: sample injection
Inlets
Agilent 6890 Gas Chromatograph Service Manual
Septum
holder
Trap
Cryo
240
Splitless modes
To detector
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