N840G/SR/SH Vacuum Pump and Systems by KNF Neuberger, Inc.

Manufacturer KNF Neuberger, Inc.  |   Model: N840G/SR840G/SH840G  |  Available Worldwide
Chemically resistant, compact, and oil-free diaphragm vacuum pump with manual speed control for adjusting the pump capacity to your specific application. It features a gas ballast, PTFE/TFM heads, PTFE-coated diaphragms, and FFPM valves. Suitable for a wide range of Laboratory applications including extremely aggressive/corrosive gasses and vapors. These pumps are expandable, separators and/or condensers can be purchased individually at any time and easily fitted.


N840G/SR/SH Vacuum Pump and Systems by KNF Neuberger, Inc. product image
Clockwise from bottom-right: N840G, SR840G, SH840G
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Technical features:

  • Ultimate vacuum of 4.5 torr
  • Adjustable flow rate from 20-34 l/min
  • 100% oil-free transfer – thereby pure transferring, evacuation and compression of gases
  • High level of vapor and condensate compatibility
  • Ideal for extremely aggressive/corrosive gases and vapors
  • ATEX compliant according to II 2/-G IIB+H2 T3 internal atmosphere only
  • Integrated gas ballast valve
  • Expandable: Separators and/or condensers can be purchased individually at any time and easily fitted, enabling users to build their own customized vacuum system
  • 3-color status display for in operation / stand-by / error
  • Integrated rotational speed control
  • Environmentally friendly
  • Starts against ultimate vacuum of the pump