The Oerlikon Leybold TurboVac 50 turbo molecular high vacuum pumps have a pumping speed of 50 liters per second (l/s). The inlet is Conflat CF 4.5 Inch with a ISO KF-16 exhaust foreline flange. The Leybold Turbo Vac TMP 50 turbomolecular pump can be used for all general-purpose high vacuum applications. This is a Brand New TurboVac 50 and comes with a Manufacture Warranty. The electronic frequency converter (controller) and the connector cables required for operation are not included as standard equipment with this pump. (THIS IS THE PUMP ONLY) All accessories for this pump are optional and available on this website. An Operating Instruction and Turbovac Catalog PDF can be downloaded, by scrolling down to (AVAILABLE DOWNLOADS). These Oerlikon Leybold TMP 50 turbo pumps have part number 85 402 (85402).