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OktaLineTM

Roots pumps for Every Low and Medium Vacuum Applications. The Power Pump Portfolio.

Our Roots pumps offer pumping speeds ranging from 250 to 25,000 m3/h. They can be safely employed for low and medium vacuum applications in the coating or semiconductor industry, in research & development, metallurgy or in chemistry and process technology.

The gear and bearing chambers in our Roots pumps are completely separate from the gas pumping chamber. Because the rotors operate without making contact, dry, hydrocarbon-free operation is assured.

A further advantage: Thanks to air cooling, operating costs are significantly lower than with water cooling. The design principle of our proven Roots pumps has also been expanded to include magnetic couplings. These hermetically sealed pumps make oil leaks a thing of the past. We have also developed special pumps for processes that take place in explosive environments or for evacuating explosive gases.

Advantages

Complete line of Roots pumps offers optimum flexibility and maximum process suitability
Broad range of pumping speeds: 250 to 25,000 m3/h
Fast evacuation thanks to high compression ratio
Maintenance free, maximum reliability and highest uptime thanks to magnetic coupling
Low operating costs thanks to air cooling and magnetic coupling
No thermal overload thanks to integral overflow valve

 

Applications

Metallurgy
Simulation chambers
Packaging industry
Freeze/vacuum-drying
Thin-film technology
Electron beam welding
Load-locks/transfer chambers
Chemistry and process technology
Industrial leak detection systems

 

Series at a glance

A Series
Standard pumps (1 bar)
Pumping speeds of 250 to 25,000 m3/h
Shaft sealing rings
Gray cast iron (GG)

AD Series
Pressure-surge resistant (16 bar)
Pumping speeds of 500 to 6,000 m3/h
Shaft sealing rings
Nodular graphite cast iron (GGG 40.3)

AM Series
Standard pumps (1 bar)
Pumping speeds of 250 to 6,000 m3/h
Hermetically sealed thanks to magnetic coupling
Gray cast iron (GG)

ADM Series
Pressure-surge resistant (16 bar)
Pumping speeds of 500 to 6,000 m3/h
Hermetically sealed thanks to magnetic coupling
Nodular graphite cast iron (GGG 40.3)

ADx Series
Satisfies the explosion protection requirements under European Union Directive 94/9/EC (–(i) / II 3G IIB T3 (o))
Pumping speeds of 500 to 4,000 m3/h
With and without Atex-certified motor
Nodular graphite cast iron (GGG 40.3)
Atex-certified coupling

ADEx Series
Satisfies the explosion protection requirements under European Union Directive 94/9/EC (II 2G IIB T3 (i) (o))
Pumping speeds of 500 to 4,000 m3/h
With and without Atex-certified motor
PTFE-sealed
Integrated Atex-certified temperature sensor
Nodular graphite cast iron (GGG 40.3)
Atex-certified coupling
Can be switched on at 800 mbar without bypass – no need for additional valves