The QS5 Vacuum Pump is a two-stage, rotary vane pump with 5-cfm rated displacement for ultimate vacuum down to 15 microns. It is designed for quick, deep evacuation, as well as affordability and ...

Many two-stage rotary vane vacuum pumps incorporate a valve known as the gas ballast. The gas ballast is designed to retard the process of water vapor condensing within the vacuum pump. The gas ...

A rotary-screw pump's vacuum capabilities are similar to those of piston pumps, with the added advantage of being nearly pulse-free. Two meshing rotors with helical contours trap air as the screws ...

(Nanowerk News) PI’s family of miniature micro and nanopositioning stages is expanding with the new RS-40 rotary stage and M-111 linear stages as engineers gave specific consideration to material ...