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The limit pressure of the pump depends on this selection. For a
correct use, please refer to paragraph "Water vapor suction".
Water vapor intake
In order to pump down any water vapor, the following operations are
recommended:
▪
▪
▪
See "Technical Information" for the insertion procedure or exclusion
of the gas ballast.
MS120 Single Stage Rotary Vane Pumps (G2571-64000) User Manual/X3702-90000 (A) 150/188
≤ =0,2 mbar
I
Gas ballast
ON
Figure 13
Before introducing water vapor, let the pump run for thirty
minutes at the maximum vacuum in order to bring the pump
temperature to its operating value.
At the end of the working cycle, in case of further presence of
condensate in the oil, let the pump run for at least thirty minutes
at the maximum vacuum with Gas-ballast open.
It is advisable to carry out this operation before stopping the
pump for a long time. The gas ballast valve will allow the
elimination of water condensate from the lubricating oil.
Instructions for Use
Use
≤ =0,07 mbar
O
Gas ballast
OFF
4
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