1
Fig. 13:
Operating the vacuum pump with gas ballast system
1 Gas ballast filter
6.4 Operating the rotary vane pump with manual gas ballast valve
No intermediate settings possible
An intermediate setting between open/closed is not possible.
“I”
“0”
1
2
Fig. 14:
Operating the rotary vane pump with manual gas ballast valve
1 Ball valve
2
Gas ballast filter
Prerequisite
● Manual gas ballast valve retrofitted
● Vacuum pump heated up for 30 minutes
Behavior with process gases with condensable vapors
► Operate the vacuum pump with gas ballast, i.e. with the gas ballast valve open.
Open gas ballast valve
► Turn the ball valve to position "
I
".
Close gas ballast valve
► Turn the ball valve to position "
0
".
After the process
► Operate the vacuum pump for a further 30 minutes.
Operation
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