DIY Vacuum Purging Chamber - Skunk Pharm Research
Apr 16, 2013 One for the vacuum pump and the other for the vacuum gauge hose. As it is temporary, and we needed it immediately, we reused the existing gasket, and made a new lid out of a 1 X 16 acrylic plate. At -29.9 Hg gauge, there is about 1/16 lid deflection in the middle, so a thicker plate would be better to reduce high cyclic fatigue.
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