3.6 Column valve
Introduction
The Column valve is used for connection of columns to the system, and to direct the flow
onto the column. Up to five columns can be connected to the Column valve simultane-
ously. The valve also has a built-in by-pass function that enables by-passing of connected
columns.
Pressure monitors that measure the actual pressure over a column are integrated into
the inlet and outlet ports of the Column valve. For further information on the pressure
monitors, see Section 3.8 Pressure monitors, on page 78.
The number of column positions can be increased by installing an extra Column valve.
For information on how to install extra valves, please refer to Section 4.1 System extension
overview, on page 101.
Location and illustration of the
Column valve
The following illustration shows the location of the Column valve and also an enlargement
of the Column valve with connected columns. In ÄKTA avant 25, the Column valve is la-
belled V9-C. In ÄKTA avant 150, the Column valve is labelled V9H-C.
FunctionPart
Inlet port with built-in pressure sensor1
Column valve2
Outlet port with built-in pressure sensor3
HiTrap™ column connected to ports 2A and 2B4
ÄKTA avant User Manual 29035184 AE 73
3 Standard instrument modules
3.6 Column valve
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