7
Intended use
Multiposition valves
Structure and function
The multiposition valve is used in chromatography, for example
in the following cases:
Selection of up to 13 different solvents
Fractioning
Column switching up to 16 columns
Fig. 2
Diagram of a multiposition valve 7P/1C
Injection valves
Versions
6 Ports with 3 channels
6 Ports with 2 channels
The structure of the rotor seal in the inside of the injection valve
specifies whether the valve can be operated as a 2- or 3-channel
valve.
Fig. 3
Injection valves 6P/2C and 6P/3C
Legend
A. Position number
B. Connection
between the central
connection and the
individual positions
1–6
C. Adapter plate for
mounting on the
valve drive
4
6
2
5
3
1
A
B
C
Legend
A. Position number
B. 6 Ports with 2 chan-
nels (6P/2C)
C. Adapter plate for
mounting on the
valve drive
D. 6 Ports with 3 chan-
nels (6P/3C)
1
4
6
2
5
3
1
4
6
2
5
3
A
B
C
D
