5 filter unit peek – Metrohm 790 Personal IC User Manual
Page 27
2 Installation
790 Personal IC
18
2.3.5
Filter unit PEEK
One
6.2821.100 Filter unit PEEK (see Fig. 8) is already installed be-
tween the high-pressure pump and the injection valve 22
22
22
22 at the 790
Personal IC. This filter unit serves to avoid contamination by abrasive
particles of the piston seals.
The two other filter units PEEK supplied with the 2.790.0020 Personal IC
(with suppressor) are installed between the pump tubings of the peri-
staltic pump and the inlet capillaries for regeneration and rinsing solu-
tion (see section 2.8.2). These filter units serve to protect the suppres-
sor module from foreign particles and bacterial growth.
The Filter unit PEEK 28
28
28
28 consists of the housing 50
50
50
50 and the two connec-
tors 49
49
49
49 (with filter) and 51
51
51
51 (without filter) screwed into the housing 50
50
50
50.
For the connection of capillaries 48
48
48
48 PEEK compression fittings 46
46
46
46
(6.2744.010) or 47
47
47
47 (6.2744.070) must be used. New connectors 49
49
49
49 with
filter are available as an option with the ordering number 6.2821.110
(set of 10).
For the connection of the filter unit, please note the flow direction
arrow printed on the housing.
48
48
48
48
46
46
46
46
49
49
49
49
50
50
50
50
51
51
51
51
46
46
46
46
48
48
48
48
28
28
28
28
Fig. 8: 6.2821.100 Filter unit PEEK
28
28
28
28 Filter unit PEEK (6.2821.100)
49
49
49
49 Connector with filter (6.2821.110)
Part of 6.2821.100 Filter unit
46
46
46
46 Compression fitting (6.2744.010) 50
50
50
50 Housing for filter unit
Part of 6.2821.100 Filter unit
48
48
48
48 Capillary
6.1831.010 PEEK capillary or
6.1822.010 PTFE microcapillary
51
51
51
51 Connector without filter
Part of 6.2821.100 Filter unit