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The MB-200-G-N-I allows for a combined removal of oxygen, moisture and nitrogen to values below 1 ppm from inertgases such as Argon or Helium. The purifier is frequently used in both university and industrial applications, where it is necessary to remove the three mentioned gases from inert atmospheres. Typical applications are battery research and manufacturing, HID lamps and certain welding processes.

Two fully regenerable reactor columns for the removal of oxygen and moisture allow for continuous operation and maintain ultra-low levels of oxygen and moisture inside the connected inert enclosure. An additional unit removes nitrogen utilizing a special reactor type which is filled with a heated Titanium sponge. All functions of the removal processes are integrated into a Siemens PLC, whereas special care was taken to prevent any overheating of the nitrogen removal reactor.

In addition a stand-alone nitrogen removal system is available which was designed to retrofit existing gas purifiers with nitrogen removal function. Please contact MBRAUN for more information.


  • One reactor column for N2
  • Double reactor columns for continuous 24/7 operation (for H2O and O2)
  • Optimum performance for attached enclosure volumes up to 5 m³
  • Removal of oxygen, moisture <1 ppm and Nitrogen <1 ppm
  • Automated box pressure and regeneration control
  • PLC with multi-color touch panel display
  • ECO Mode operation feature available




  • Moisture and oxygen analyzer
  • ECO Mode
  • Solvent vapor removal
  • Regenerable solvent vapor removal
  • Recirculation chiller for optimal working environment (RCC)
  • Dry pump upgrade
  • Optional control and safety features available


Optional feature w/ MBRAUN glovebox

  • Automatic box purge unit
  • Antechamber automatic pressure controlled
  • Freezer and box cooling


  • Double reactor column gas purifier unit
  • One reactor column for N2
  • Attainable purity level H2O < 1 ppm, O2 < 1 ppm and N2 < 1 ppm
  • Reactor per purification line capacity 36 l O2 and 1300 g H2O*
  • Siemens S7-300 PLC with 7'' color touch panel
  • Automated regeneration sequence
  • Frequency controlled multi-speed blower; maximum flow rate of 88 m3/h*
  • All stainless steel piping type 1.4301 (SUS 304)
  • Rotary vane pump with nominal pumping speed of 17 m3/h @ 60 Hz*
  • Electro-pneumatic valves
  • Outer dimensions; 1064 x 628 x 1808 (LxWxH)
  • Electrical connections 230 V/50-60 Hz, 10 A or 115 V / 50-60 Hz, 20 A or 100 V/ 50-60 Hz, 20 A
  • Weight 420 kg

*Technical Note: Dependant upon operating conditions

Related Products


The MB-200-G gas purifier has been specifically designed for both university and industrial applications.


The MPU-Series inert gas purification system is a modular purification unit (MPU) that offers an intermediate solution between the G-Series and the IGMS-Series product offering.


The Clean Dry Air (CDA) gas purification system from MBRAUN was developed for applications requiring a working atmosphere of moisture levels reaching below -76°CDP (-105°FDP).


Compatible with other modular glovebox workstations from MBRAUN the MB-200B allows for the setting up of various workstations of any size and configuration.

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