We manufacture different types of Vacuum Pumps that includes Rotary Vacuum Pumps, Roots Twin Lobe Pumps, Fractionating Oil Diffusion Pumps & Diffstak Diffusion Pumps. Vacuum Pumps are combined with chambers and operational procedures into a wide variety of vacuum systems. Sometimes more than one pump is used (in series or in parallel) in a single application. To achieve a more-perfect vacuum, tech