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I am putting things together piece by piece, and I'm noticing that the point where I've temporarily installed my ionization gauge tube has quite a bit of vibration from the roughing pump. Am I correct

Perfect, thank you! Looks like the LDS folks sell kits of hardware too, very nice. -Dave -- Dave McGuire, AK4HZ New Kensington, PA

This URL has some useful advice on conflat fixings:Kurt J. Lesker Company | | | | | | | | | | | Kurt J. Lesker Company Vacuum Science Is Our Business | | | Brian W

Hi folks. Is there a standard, or at least a favorite, for the bolt/nut sets for conflat flanges? Thanks, -Dave -- Dave McGuire, AK4HZ New Kensington, PA

That's pretty much what I thought. But it came with a Hastings tube and at least one high quality valve, either of which is worth more than I paid for the whole thing.

Nick, The sorption pump exploits the ability of certain materials to capture and hold large volumes of gas when taken down to liquid nitrogen temperatures. You hook it up to your system (depending on

Perfect! I was unaware of these types of fittings. This clears up a lot. I'll be placing an order with the LDS folks soon. Thanks for the tips! -Dave

I also acquired a Huntington Cryo Sorption pump really cheap. Not sure how they work or if it even works. Need to research it... I've long said I'd rather be shot than move. Misery and woe. We hates

Dave, Follow-up. Yes, these adapters will work with tubing sizes ranging from 1/16 inch to 1 1/8 inch (not the same part, obviously!). You could use one to hook up your laser tube. -John

Dave, LDS Vacuum (a relatively inexpensive outfit!) has a big selection of KF to "quick coupling" adapters. A KF25 to 1-inch quick coupling compression adapter is their NW25-Q100. $71. -John

There's also a bucket with the other bolts, some serious steel bars, other fasteners and odds and ends, and the 1/2" thick steel top door plate that used to slide to the side to access the rotor and

Oof...

That's a damn fine idea! Ok I'm definitely looking for those now; I got that other chamber. (the simpler one) If you can find them, let me know what you want for them. I'm gettin' excited over here!

I'm right there with you on that. But what I've got my hands on is a molecular drag pump, not quite as fancy but a lot more forgiving. I'm trying to make use of what I have, rather than buy all new.

Dave, I dont know what that thing is. My suggestion is take a big gulp of air and get your checkbook out and buy this : Leskers 1.00 EA SKU0323572 cost $ 1,700.00 USD KJLC392-CF-US KJLC 392 PACKAGE

Ahhhhh, I see, thank you for the explanation. So if I wanted to connect such a gauge to a port that has a KF flange, there would be an adapter with a KF flange on one end and one of these compression

Ugh, moving sucks!

Dave, There are compression fittings that tighten onto the metal (or glass) sidearm tube and seal it with an O-ring; an example is the Kurt Lesker B-110-K but *everybody* makes them, including

Ok, more dumb questions. :) I have a new ionization gauge tube here that I would like to use, if possible, in the system I am constructing. Its connection is a metal tube around 1" in diameter. I see

I think I like that one better. you can always use a camera inside to see what is going on if you dont have a view port handy. I run 3 USB cameras in my warp drive test chamber. 8" UHV plates will be