3.4 Sample pump S9 and S9H
Introduction
This section describes the design and function of Sample pump S9 and S9H.
Function of the Sample pump
The Sample pump is dedicated to direct loading of sample onto a column, or to filling of sample loops
or Superloops. The pump consists of two pump heads that work alternately to give a continuous, low
pulsation, liquid delivery. There are two sample pump configurations available, one for ÄKTA pure 150
and one for ÄKTA pure 25. To ensure delivery of correct liquid volume, the pumps must be free from
air. Each pump head is equipped with a purge valve that is used for this purpose.
The Sample pump also comprises a pressure monitor.
The table below contains the operating limits and labels of the sample pump configurations.
Max. pressureFlow ratePump typePump labelConfiguration
10 MPa0.001 to 50 ml/minP9-SP9-SSample pump S9,
ÄKTA pure 25
5 MPa0.01 to 150 ml/minP9HP9H SSample pump S9H,
ÄKTA pure 150
Front view
108 ÄKTA pure User Manual 29119969 AB
3 ÄKTA pure external modules
3.4 Sample pump S9 and S9H