[labnetwork] House vacuum system vendors/recommendations?

[Barnes, Keith]

A Company called MaxVac can definitely help!

Thank you,

Keith F. Barnes
Sales Representative
SEMITORR GROUP, LLC
High Purity, Sanitary, Industrial Divisions

1951 Rutan Drive
Livermore, CA  94551
cell:  925.337.2221
email:  kbarnes at semitorrinc.com<mailto:kbarnes at semitorrinc.com>
web:  www.semitorrinc.com<http://www.semitorrinc.com/>


From: labnetwork <labnetwork-bounces at mtl.mit.edu> On Behalf Of Dennis Schweiger
Sent: Friday, January 30, 2026 11:13 AM
To: Jeff Salzmann <jks7 at buffalo.edu>
Cc: Network Fab <labnetwork at mtl.mit.edu>
Subject: Re: [labnetwork] House vacuum system vendors/recommendations?

Jeff,

good afternoon.  Here at UofM/LNF we've had several different liquid ring systems over the years.  One was original to the lab/building (1984 vintage) and a second that was installed as part of the lab expansion back in 2007.  Both systems have been replaced (about 5 years ago) with a pair of Quincy QSV-345 vacuum pumps. We have a large holding tank (~600 gallon) in between the vacuum pumps and the delivery system.  These two Quincy pumps alternate every week, and to date, have performed flawlessly with just routine maintenance.

At one point, while we were switching from the old vacuum pumps to the new ones (about 6 weeks), we used a couple of Ebara A70's to provide the vacuum.  That was OK short term, but not something that was workable long term.

Thanks,

Dennis Schweiger
University of Michigan/LNF
Facilities

734.647.2055 Ofc


On Fri, Jan 30, 2026 at 8:31 AM Jeff Salzmann <jks7 at buffalo.edu<mailto:jks7 at buffalo.edu>> wrote:
Good morning!

I am looking to get some quotes collected for a house vacuum system- not for cleaning but simply for spin-coater vacuum, chucks, etc.

If you can recommend some vendors, please let me know. Thank you!!!!

Regards,
Jeff


Jeff Salzmann

Research Assistant Professor of Electrical Engineering

Cleanroom Manager, Shared Instrumentation Laboratories

School of Engineering and Applied Sciences

University at Buffalo

114A Davis Hall

Buffalo, NY 14260

Tel: 716.645.2584


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