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A _little_ red rust makes a fine lapping compound for close-fitting metal parts... just sayin'. ;D I feel extraordinarily lucky to have had so few complaints with roughing pumps. I lucked into my

Has it been a while since you ran the system? Perhaps the oil in the roughing pump needs to be warmed up and outgassed a bit through the interstage ballast valve, assuming yours has one, or the

http://www.vacuumresearch.com/pdfs/vane/pumpfluid.qxd.pdf take a look and see if this pump oil specs will work for you. 20 dollars a gallon ________________________________ To:

It seems that vacuum pump oil price has gone up recently; for awhile I have been purchasing , from Specialty Fluids Co.? their type MVT-20 which is apparently a hydrocarbon dual use ( diffusion and

I bought those two from a guy who had listed them on the ebay but they did not sell. He was in Atlanta, and I was there for a few months setting up a big highway job in Tampa, so I made a deal for

Yes I found out about Duniway kits for repairing vacuum pumps from the Sam's FAQ link after I had already fabricated my gaskets and used them on my pump. I haven't had a chance to check them out for

A belt guard, how quaint!

Cheap to buy, ridiculous to ship! I have three of them. One is seized, one pumps a bit and one is untested, still in the broken ultracentrifuge I bought for $35 from NMSU. I think Duniway Stockroom

Hi Vaughn.M, Attached is info i saved 5 years ago. -- regards, Russell

Hi, In the next few days I plan to put new oil in my 1402 and test it again. Now that it seems to be reliable I want to make sure it has clean oil to be on the safe side; ie just in case tiny

On 12/02/13 07:04, Vaughn Mcdowell wrote: > I am an experimentalist retired but have some part time contract work to help > pay for my toys on a beer budget. I have some personal experiments that I >

I am an experimentalist retired but have some part time contract work to help pay for my toys on a beer budget. I have some personal experiments that I want to try out with my vacuum systems. I am

I am a new member interested in trying to set up A vacuum chamber to deposit metal coating on telescope mirors. Salutations

I am building a vacuum system. I have no knowledge other than what I have discovered on the internet and a little personal experience of what has not worked well. I have questions. My vacuum system

Hello all, As to introduce myself to the group I will spin you a yarn as to how I found myself here. My tale starts a year or so ago learning how to cast using dental plaster for a very large 16 foot

I am a new member retired from the government; now do part time contract work from time to time. I purchased a Veeco EP-2A-1 diffusion pump from Ebay for a very low cost therefore willing to take a

Hello, I've just joined this group. My background is electronics (TV), now pensioned off and I want to try my hand at some vacuum work with electron tubes etc. I have the above controller which looks

If your pumps are very clean, you may not need a trap. If you are using mechanical pumps which are sealed by oil, you will need a trap. "clean" (no back-streaming) pumping techs include: ?

Andrew, Well, the Ion Beam Assisted Depositon means, there is an assisting ion source in the chamber which helps to change the physical and mechanical properities of the protective oxide layer. That