The picture illustrates how the pump operates:

Operating principle
Figure: Operating principle

No.

Description

1

Solvent selector (pump inlet)

2

Solvent degasser (vacuum degasser)

3

Pump head, left, with

3a

Working cylinder (left pump head)

3b

Equilibration cylinder (left pump head)

4

Pump head right, with

4a

Working cylinder (right pump head)

4b

Equilibration cylinder (right pump head)

5

Purge/sensor unit, with

5a

Purge valve knob

5b

Purge outlet

5c

System pressure sensor

6

Mixing system, with

6a

Capillary mixer

6b

Static mixer

7

Pump outlet (outlet of the static mixer)

For additional information, see Operating Principle.