Publicité
2
Dear Customer,
thanks for deciding for a Combisart manifold with sterile vented
filter station(s). Releasing the vacuum under sterile conditions after
filtration, prevents secondary contamination on the underside of
the membrane filter.
The graphic below shows the four different positions of the tap:
Valve
Valve Position
Position
Vent | Close
Open
9 o'clock
6 o'clock
EN
After Filtration
The vacuum
For Filtration
between the valve
The full vacu-
and membrane filter
um draws
is released under
the sample
sterile conditions,
through the
without any particles
membrane
being drawn into the
filter. The
system. Secondary
vent filter is
contamination of
"off-line."
the bottom of the
filter is ruled out
entirely.
Valve
Valve
Position
Position
Finish
Autoclave
3 o'clock
12 o'clock
After the
For
Filtration Run
Autoclaving
The residual
For reliable
vacuum
sterilization,
between the
the steam
pump and
flows freely
valve is
through all
released via
openings.
the sterilizing-
grade filter.
Publicité
