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Product overview and functioning
4.5 Fields of application
The vacuum pumps VSI OXY are suitable for exhausting air or other gases with increased percentage of
oxygen (content by volume between 21 % and 60 %).
They are suitable for the evacuation of closed systems or for a continuous vacuum within the following
intake pressure ranges:
0.1 - 1000 mbar (abs.)
The maximum pumping capacity with unrestricted suction is
110 m
3
/h
at
50 Hz
. Data sheet
D 833-OXY
or
D 833-UK_OXY
shows the dependency of the pumping capacity on the intake pressure.
If the unit is switched on more frequently (at regular intervals of > 10 times per hour) or at higher
ambient temperatures and inlet temperatures, excess temperature limit of the motor winding and
the bearings may be exceeded.
Contact the manufacturer regarding such operating conditions.
If it is installed in the open air the unit must be protected from environmental influences (e.g. by a
protective roof).
CAUTION
Property damage due to not intended operation!
Improper operation can damage the machine.
Ø
The screw vacuum pump S-VSI 100 with 3 kW motor may only be operated in
continuous operation S1.
4.6 Accessories
The following accessories are options and on request available from Gardner Denver.
4.7 Cooling of the machine
4.7.1 Continuous flow cooling (standard)
With fresh water cooling, water flows continuously through the cavity of the double walled compressor
housing.
