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Home / Products / Vacuum Pumps / Roots Pumps


Roots vacuum pumps for all low and medium vacuum applications

The Roots pumps of the HiLobe and OktaLine series can be perfectly adapted to the specific needs of the customer through different speeds and pumping versions. This type of pump requires a support pump suitable for the application and adjusted to the gas flow. On the other hand, the special OktaLine G series, designed for high differential pressures, can also be used as a powerful backup pump, working against atmospheric pressure and with high pumping speeds.

Used in combination with other suitable Roots pumps or support pumps, Roots pumps can be perfectly adapted to any application. With the CombiLine series, we can offer almost any individual pump combination. Pfeiffer Vacuum, as a leading supplier of vacuum solutions, has over 50 years of experience in designing customer-specific solutions.

HiLobe Series - Smart and Flexible

With their individual speed control, Roots pumps from the innovative HiLobe series can be perfectly adapted to customers’ needs. Its compact design allows to reduce the system size and installation costs. The HiLobe line’s intelligent interface technology allows easy adjustment and monitoring of process conditions. This guarantees a long service life and maximum operational reliability in your application.
The flexible control of the air cooling system allows the individual temperature adjustment of HiLobe, guaranteeing the best performance for your process.

HiLobe pumps are available in a pumping speed range of 520 – 2,100 m³ / h. Its renowned drive drive allows the pump to withstand extremely high differential pressures for a Roots pump, reducing the pumping time by about 20% compared to conventional Roots pumps.

Conventional HiLobe Applications

  • Cargo lock chambers
  • Leak detection
  • Vacuum drying
  • Metallurgy
  • Lyophilization
  • Glass and coating
  • Decorative coating
  • Vacuum Furnaces
  • Space simulation cameras
  • Electron beam welding

Okta Line

Our robust Roots Okta pumps offer pumping speeds ranging from 145 to 27,400 m³ / h.

Thanks to convection cooling, their operating costs are significantly lower than water-cooled pumps. Its highly regarded and market proven design has been expanded to include the exclusive Pfeiffer Vacuum technology of magnetic coupling. Thanks to this hermetically sealed pump, we achieved very low leak rates. For processes that take place in potentially explosive environments or for the evacuation of explosive gases, we have developed ATEX certified pumps that meet the high requirements of explosion protection.

High-precision production technology makes it possible to achieve very high compression values ​​which, in turn, allow maximum pumping speeds and very low gas outlet temperatures. Roots Okta pumps offer low operating cost and easy installation, as all they need is electricity and (depending on the process) a purge gas (like air). It does not require water cooling, making its operational low. With the magnetic coupling version, shaft retention leaks are in the past.

Conventional Okta Pump Applications

  • Metallurgy
  • Simulation chambers
  • Packaging industry
  • Freeze drying / vacuum drying
  • Thin film technology
  • Electron beam welding
  • Load locks
  • Process chemistry and technology
  • Industrial leak detection systems
  • Steel degassing

Customer Benefits

  • Large pumping speed range from 250 to 12,000 m³ / h
  • High continuous differential pressure
  • Flexibility process adaptability, various motor and frequency converter configurations
  • Thermal process gas control with the Okta G line and gas coolers
  • Low maintenance, maximum operational reliability thanks to magnetic coupling (optional)

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