The HPDMC XD series pumps are designed to perform in mildly corrosive applications such as XD-040. These reliable, heavy duty vacuum pumps include an integrated cylindrical design structure, an innovative forced oil circulation system, automatic oil anti-suck back valve and adjustable gas ballast. Suitable for a wide variety of applications in R&D, science, and medical fields. These pumps can be used for analytical systems, vacuum ovens, vacuum coating, sterilization, freeze drying, microscopy and backing pumps for turbo pumps, diffusion pumps and roots blowers.