3Using the Module
Flushing the Filter
1260 Infinity II Flexible Pump User Manual 50
Flushing the Filter
For highest performance and robustness, the pump uses three solvent filters:
1 Solvent inlet filters (5041-2168) as part of Bottle Head Assembly
(G7120-60007) have a large pore size of about 20 µm and filter out particles
before they reach the pump.
2 An Outlet Filter (average pore size 5 µm; Outlet filter Quaternary Pump/Flexible
Pump (G4204-60004) or Outlet Filter Flex Bio-Compatible (G7131-60004))
between pressure sensor and Multipurpose valve filters out particles which
may be created in the pump by wear of piston or wash seals.
This filter or filter frits can be replaced as required (see “Replace the High
Pressure Outlet Filter or Filter Frit” on page 219).