OktaLine G

OktaLine® G

Gas-cooled Roots pump with a pumping speed range from 210 to 630 m3/h
  • Unsurpassed high pressure difference
  • Highest compression value
  • Integrated cooling gas flanges
Gas-cooled Roots pump with a pumping speed range from 750 to 3,600 m3/h
  • Unsurpassed high pressure difference
  • Highest compression value
  • Integrated cooling gas flanges
Gas-cooled Roots pump with a pumping speed range from 2,300 to 6,900 m3/h
  • Unsurpassed high pressure difference
  • Highest compression value
  • Integrated cooling gas flanges
Gas-cooled Roots pump with a pumping speed range from 4.000 to 12.000 m3/h
  • Unsurpassed high pressure difference
  • Highest compression value
  • Integrated cooling gas flanges

High differential pressures with low power consumption.

High pressure ranges and maximum differential pressures, in particular, are the ideal place of operation for the OktaLine G series of gas circulation cooled Roots pumps. They are a special version of conventional Roots pumps. The OktaLine G achieves pumping speeds of 250 – 12,000 m3/h against atmospheric pressure at various power levels, ranging from 5.5 kW up to the 200 kW rated power. These gas circulation cooled Roots pumps can therefore be operated without any backing pumps, but can also be used flexibly as an intermediate stage within a pumping station.

Continuous usage is possible at high pressure differentials, since the gas heated up by compression is cooled down on the pressure side and partially returned to the suction chamber. Applications up to atmospheric pressure are realized in combination with the gas coolers required for optimal process adaptation.

Customer benefits

  • Large pumping speed range from 250 to 12,000 m3/h
  • Very high continuous pressure differences
  • Flexibility and adaptation to the process can be achieved by configuring the motor power and the frequency converter
  • Thermal process gas control with OktaLine G and gas coolers
  • Low maintenance, maximum operational reliability and availability due to magnetic coupling (optional)

Applications

  • Steel degassing
  • Chemical and process engineering
  • Helium recovery
  • Fusion reactors

Thanks to the optional frequency converter package, energy use can be significantly reduced. Pumping speeds can thus be precisely adjusted and a gentle soft start is possible. Gas circulation cooled OktaLine G Roots pumps are characterized by maximum reproducibility in process technologies and significantly lower operating costs compared to other vacuum process pumps, such as injectors or liquid ring pumps.

Used as stand-alone pumps, they can operate in the pressure range of 130 to 1,013 hPa. Connecting two of these pumps in series enables the ultimate pressure to be reduced to 20 to 30 hPa. In combination with additional Roots vacuum pumps, the ultimate pressure can be reduced to the medium vacuum range. The motors and gas coolers required for operation are adapted to the particular process. Other specific parts such as couplings, temperature sensors and base frames to accommodate the solution are available as optional components.

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