The picture illustrates how the pump operates:

Operating principle
Figure: Operating principle

No.

Description

A

Solvent

1

Pump head, with

1a

Working cylinder

1b

Equilibration cylinder

2

Purge/sensor unit, with

2a

Purge valve knob

2b

Purge outlet

2c

System pressure sensor

3

Mixing system, serving as inline filter, with

3a

Capillary mixer

3b

Static mixer

4

Pump outlet (outlet of the static mixer)

For additional information, see Operating Principle.