The NEW Pfeiffer Vacuum DUO 3 M (Magnetic Coupling) Dual Stage Rotary Vane Vacuum Pump is designed and manufactured to meet the demanding requirements of various industrial and scientific applications. In contrast to the standard pump, these magnetic coupling pumps have a frictionless magnetic coupling. Oil leakage from a wear-prone conventional shaft seal is ruled out in these models. Thanks to a very simple and highly reliable design, the Pfeiffer DUO 3 M dual stage rotary vane vacuum pump provides great performance with high pumping stability. This compact, high performance series pumps down to 10-3 Torr. This pump also contains a high vacuum safety valve. These Pfeiffer DUO 3 M dual stage rotary vane vacuum pumps have a pumping speed displacement of 1.5 CFM, 2.5 CMH. This Pfeiffer Duo 3 M series rotary vane vacuum pump is Brand new and comes with a half liter of P3 oil, Pfeiffer Vacuum Part Number PK D57 111 B. Parts, Repair Kits, Oil and Accessories for this pump are available on this website. We also offer rebuild and repair services for this pump. An Operating Instructions PDF can be downloaded, by scrolling down to (AVAILABLE DOWNLOADS)