The pump can be equipped with an additional inline filter (5067-5407 (Inline filter assembly, material: stainless steel) or 5720-0003 (Bio Inline Filter for Infinity II Bio Flexible Pumps) ) 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 use of the inline filter:
filter solvents before use,
follow best practices,
back-flush the filter weekly,
exchange the filter frit regularly.
CAUTION
Damage to the valve
See 1290 Infinity II Inline Filters Technical Note (G7167-Inline-Filters-TechPu-en-SD-29000397.pdf, SD-29000397) for further reference.
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