1260 Infinity II Flexible Pump User Manual 49
3Using the Module
Best Practices
Optional Inline Filter
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 µL.
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,
• exchange the filter frit on a regular basis.
See Technote G7167-90130 for further reference.
Damage to the valve
 Use the filter flush mode only if the optional inline filter is installed.
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