The Leybold D8/D 8 B Trivac are durable vacuum pumps with a superior vapor handling capability. The Leybold D8/D 8 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 D8/D 8 B vacuum pumps have a pumping speed displacement of 6.9 CFM. These pumps come with a manufacturer's warranty. Parts, oils and accesories for these pumps are located on this website. These Leybold D8B rotary vane vacuum pumps, part number 11256, operate on 3-Phase, 208/480 VAC, 50/60 Hz.