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Is it possible to use a Dry Vacuum pump (Twin Lobe) in series with a Steam jet ejector system for enhancing vacuum capabilities?

Question asked by Sumit Kakkar in #Mechanical on Feb 18, 2020
Sumit Kakkar
Sumit Kakkar · Feb 18, 2020
Rank E2 - BEGINNER

We are installing a Dry Vacuum pump (Twin Lobe) type in series with a Steam jet ejector system to enhance our Vacuum capability. Is this advisable? What are the alternative methods for such requirement?

Posted in: #Mechanical
Ramani Aswath
Ramani Aswath · Feb 18, 2020
Rank A1 - PRO

Twin lobe (Roots Blowers) pumps are generally not used for vacuum. Nor does using a steam ejector in series seem meaningful. Unless more details of the actual application with details of required ultimate vacuum, time to pump down, volume to be evacuated and other data are given it will be difficult for people to advice.

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