The NEW Leybold D4 D4B Trivac is a durable vacuum pump with a superior vapor handling capability. The Leybold D4B dual stage rotary vane mechanical vacuum pump offers 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 D4 D4B vacuum pumps have a pumping speed displacement of 3.4 CFM. This pump is BRAND NEW and comes with a manufacture warranty. Parts, oils and accesories for this pump are located on this website. These Leybold D4B rotary vane vacuum pumps operate on 1-Phase 110-120 VAC (other voltage and phase options avaliable below).