A cheap vacuum pump will get you part of the way there, but to really pull a hard vacuum, you need an oil diffusion pump that costs multiple tens of thousands of dollars.

Your vacuum pump must be working properly to prevent all of these malfunctions. When using your vacuum pump to evacuate a system, some acid and moisture pulled from the system is trapped in the vacuum ...

Then lightly coat with vacuum pump oil before securely retightening to ensure a good seal when closed. Using the gas ballast feature of a vacuum pump will aid with the overall evacuation process while ...

Cadillacs in the '50s had a vacuum pump driven off the bottom of the oil pump and Trico offered an electric vacuum unit called the Electro-Vac.

The VSA vacuum pump oil is suitable for packaging very moist products, since it has been designed for the extraction of air with a high- water vapour level.

Bleeding brakes used to be a two-person job, but pneumatic vacuum pumps make it simple to do alone. Here's how we quickly completed the job.