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Instructions for Use
Connection of the Fore-Vacuum Pump
The foreline connection should be made using the KF 16 NW flange provided on the
TwisTorr 305-IC. The connection to the foreline pump can be made by a vacuum
rated hose or pipe. If a rigid pipe is used, any vibration generated by the mechanical
pump must be damped through the use of bellows.
The TwisTorr 305-IC is characterized by its high compression ratio also for oil
NOTE
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 back
streaming oil or particulate from dry pumps.
Agilent TwisTorr 305-IC User Manual
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