3Using the Module
Flushing the Filter
1260 Infinity II Flexible Pump User Manual 52
Optional inline filter (for G7104A/C, G7131A, G4204A)
The pump can be equipped with an additional inline filter (Inline Filter Assembly
(5067-5407) or Inline Filter Assembly, Bio-Compatible (5720-0003)) with a
nominal filter pore size of 0.3 µm.
Advantages of the inline filter:
• Very small internal volume
• Specified for working at high pressures
• Possibility of back- flushing the filter
Using the inline filter is recommended:
• To protect the downstream system from blockages,
• For solvent combinations that can form precipitation after mixing,
• For applications running with buffers.
General hints for effective usage of the inline filter:
• Filter solvents before usage,
• Follow best practices,
• Back- flush the filter weekly, (Flush Filter in context menu figure)
• Exchange the filter frit on a regular basis. (Frit 0.3 µm for inline filter, 5/pk
(5023-0271), Frit 0.3 µm for inline filter, Bio-Compatible, 5/pk (5320-0022))
See Technote G7167-90130 for further reference.
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