5
Syringe Pump and Divert/Inject Valve
Divert/Inject Valve
46 Orbitrap Fusion Series Hardware Manual Thermo Scientific
Figure 31. Syringe pump setup (top view)
Divert/Inject Valve
The external Rheodyne™ MX Series II™ divert/inject valve is a 6-port motorized valve that
switches between two positions. In the first position, port 1 connects internally to port 2,
port 3 connects to port 4, and port 5 connects to port 6. In the second position, the valve
rotates one position so that port 1 connects internally to port 6, port 2 connects to port 3,
and port 4 connects to port 5. Figure 32 shows the valve’s internal flow paths for both
positions.
The Method Editor in the Xcalibur application identifies the valve’s two positions as “1–2”
(port 1 to 2) and “1–6” (port 1 to 6).
Teflon™
tubing
Fingertight
fittings
LC union, internal view Red PEEK
tubing
Pusher blockSyringe pump
Release
knob
Syringe
holder
Syringe
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