The picture illustrates how the pump operates:

Operating principle
Figure: Operating principle

No.

Description

A-D

Solvent options:

  • 4 solvents available with the quaternary pump (solvents A-D)

  • 3 solvents available with the dual pump (solvents A-C), with each of the two pumps

1

Solvent degasser (vacuum degasser) (pump inlet)

2

Proportioning valve

3

Pump head, with

3a

Working cylinder (pump head)

3b

Equilibration cylinder (pump head)

4

Purge/sensor unit, with

4a

Purge valve knob

4b

Purge outlet

4c

System pressure sensor

5

Mixing system, with

5a

Capillary mixer

5b

Static mixer

6

Pump outlet (outlet of the static mixer)

For additional information, see Operating Principle.