Protection is key in designing vacuum installations. Atlas Copco can provide you with key components that can complement your vacuum pump system...Most of your attention will inevitably go to the inlet (or air intake) side of your vacuum pump. But you should not forget other steps in the process.
Liquid running back into the pump's exhaust can damage it as much as when it is sucked into the inlet.
Put tappings where you want to monitor pressure and also rate of pressure rise (leak rate quantification).