Yes. Pump is in spec there On Nov 3, 2015 4:25 PM, "Kardasinski, Milosz" wrote: > These are the least expensive valves that I can think of @ $40/ea. > > http://www.swagelok.com/downloads/WebCatalogs/EN/MS-01-59.pdf > > 20 mT base is close to the end of rough vac are you certain that the pump > is capable? > > -----Original Message----- > From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf > Of David VanHorn > Sent: Sunday, November 01, 2015 1:07 PM > > I have a vacuum project in the works, and I've just isolated one source o= f > leaks. > The system needs three shutoff valves. I used ball valves, and I'm > finding that they are leaking. Probably designed for positive pressure I'= m > guessing. > > Is there someone on the list with vac experience down around 20 microns w= ho > could suggest relatively inexpensive valves that I could use? The syste= m > is now built with 1/8 NPT but I could switch if I need to. > > These valves just need to be on or off, and they are used for controlling > the flow of air and other gases. No liquids, nothing harsh. > > Thanks. > > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .