Direct-Drive High Vacuum Pumps

General Description

The Direct-Drive High Vacuum Pump is suitable for vacuum ovens, freeze dryer, concentrators, and chambers. It features a two stage direct drive pump and each stage is a rotor with two movable vanes. The two stages back each other on the shaft for the most efficient vacuum possible and the gas ballast valve admits calibrated amount of air at atmospheric pressure to prevent condensation in exhaust stage.

Welch Vacuum Technology - Direct-Drive High Vacuum Pumps
Like new, manufacturer overstock. May have some cosmetic flaws.