Flow rate (at atm. pressure)

Up to




Down to


mbar abs.


Pump, separator, condenser & vacuum controller

Advanced Model with Higher Performance

KNF LABOPORT SC 840 G features higher performance and more advanced functionality in addition to its ergonomic design. It delivers a flow rate of up to 34 l/min, an ultimate vacuum of down to 6 mbar abs., and a pressure of up to 0.1 bar g.

Comprising an N 840 G diaphragm pump, a base plate, a separator on the suction side, a high-performance condenser on the pressure side, and a dedicated vacuum controller, the LABOPORT SC 840 G is perfect for applications where control of the vacuum level is crucial.

Features and Benefits
  • Remote-controlled for better safety and flexibility from outside closed fume hoods
  • Four operating modes for nearly all common lab applications
  • Truly automatic operating mode — no solvent library needed
  • Automatic, accurate recognition and monitoring of the boiling point using the integrated ramp function
  • Exceptional recovery rates even with low boiling point solvents
  • Easy, intuitive control via a revised, modern touch interface and a precise rotation knob
  • Integrated gas ballast valve
  • Integrated rotational speed control
  • ATEX compliant to (Ex) II 3/-G Ex h IIB+H2 T3 Gc internal atmosphere only
Areas of Use
  • Vacuum oven
  • Distillation
  • Rotary evaporation
  • Multi-user vacuum system

The brand-new LABOPORT series offers a range of vacuum pumps and systems redesigned to simplify and enrich daily laboratory life. Contact us for a thorough product recommendation.

  • Flow rate l/min at atm. pressure34
    Ultimate vacuum mbar abs.6
    Permissible media temperature °C+5° to +40°C
    Permissible ambient temperature °C+5° to +40°C
    Voltage V100 – 240 V
    Frequencies Hz50/60 Hz
    Power P1 W60 W
    Weight kg15.75 kg
    Dimensions W×H×D (mm)366×416×274
    Operating pressure bar0.1
    Operating current 0.6 A (240 VAC); 1.0 A (100 VAC)
    Protection class IP 30
    Inlet hose connections For hose ID 8 ‒ 9.5
    Outlet hose connections For hose ID 10
    • Pump head: TFM™ PTFE
    • Diaphragm: PTFE-coated
    • Valves: FFPM

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Laboratory Vacuum Pump Systems


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