The Leybold D25/D 25 B Trivac are durable vacuum pumps with a superior vapor handling capability. The Leybold D25/D 25 B dual stage rotary vane mechanical vacuum pumps offer an excellent ultimate pressure of 1x10^-4 Torr. These pumps are commonly used for vacuum furnace evacuation, backing turbomolecular pumps, backing diffusion pumps, rotary evaporation, refrigeration system evacuation, epoxy degassing, vacuum sterilization, backing mass spectrometers, freeze drying, vacuum centrifugal applications, vacuum distillation, space research, and other vacuum processes. These Leybold D25/D 25 B vacuum pumps have a pumping speed displacement of 20.9 CFM. These pumps come with a manufacturer's warranty. Parts, oils and accessories for this pump are located on this website. The Leybold D25B rotary vane vacuum pumps, part number 91275V001, operate on 1-Phase, 110-120 VAC, 60 Hz.