These Portable Two Stage Neuberger KNF Laboport Diaphragm Vacuum Pumps have a Flow Rate of 20 L/min (0.70 CFM) and a vacuum of 29.7 inHg (6 Torr). These oil free diaphragm pumps are ideal for use with all brands of rotary evaporators, concentrators, vacuum ovens and filtration devices. Features include corrosion-resistant PTFE heads, tough multi-port FFPM valves, and durable PTFE-bonded diaphragms. Built to Last, KNF Neuberger pioneered in the use of solid PTFE materials for its vacuum pumps over 45 years ago. These products are legendary for their low-maintenance and robust design.

Easy to use and maintain. They are lightweight, portable and enable you to move them to wherever and whenever you need vacuum. Connect the pump to your system with a vacuum hose and setup is complete. They handle the most aggressive vapors without damage to the pump and tolerates abuse found in busy labs. There are no metal parts in contact with the gas stream, thus eliminating corrosion and reducing overall maintenace costs. This is a new pump and set up for 115 Vac 60 Hz. Hose connections are 3/8 inch ID barb style connectors. 3/8 inch ID vacuum grade vinyl hose tubing is available on this website, Part No. P103304. A Complete Technical Data and Application Brochure PDF for the KNF Neuberger Laboport Diaphragm Pump can be downloaded, by scrolling down to (AVAILABLE DOWNLOADS).