17
Technical Information
Connection of the Fore-Vacuum Pump
Connection of the Fore-Vacuum Pump
A flange KF 25 is available to connect the TwisTorr 404 FS pump to
the forevacuum pump.
The TwisTorr 404 FS pump is characterized by its high compression ratio also
NOTE
for oil vapors. When using a mechanical oil sealed pump, it is advisable to
install a suitable trap between the turbopump and the fore vacuum pump in
order to prevent oil back streaming.
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TwisTorr 404 FS User Manual / 87-901-048-01