RE: [CAD_CAM_EDM_DRO] Re: Vac table, it works!

I have used 4" schedule 40 pipe as a vacuum reservoir and it does work just
fine. Used it on a pump that maxes out at about 23" of vacuum. The reservoir
is about 16" long with the matching pipe caps cemented on to seal it. The
tap is drilled through the side in the middle of the pipe.

Tim
[Denver, CO]

> even if they do still make them I would not suggest using a 1 gallon
> Mayonaise jar or any other jar that was not pressure or vacuum rated.
> Laboratory Bell jars used for vacuum experiments are very thick
> as much as 1
> inch thick depending on the size. Someone could be seriously
> injured if the
> jar shattered. You could you 4 in. schedule 40 PVC instead. It's very
> cheap and very easy to work with. But if you must use a Mayonaise jar
> please enclose it in a heavy box or garbage can in case is shattered.
>
> Rick
>
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