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Gas-Cooled Roots Pumps. High Differential Pressures with Low Power Consumption.

04-01-2011 06:27 PM CET | Industry, Real Estate & Construction

Press release from: Pfeiffer Vacuum,

Pfeiffer Vacuum has overhauled the gas-cooled Roots pump OktaLine G. Large pressure ranges and maximum compression ratios are the ideal site of operation for this pump. The pumping speeds range from 250 to 12,000 m3/h. It is ideal for all low and medium vacuum, such as in the coating and semiconductor industry, in chemical and process technology as well as in research and development.

Continuous operation in high pressure ranges
The heated gas is cooled on the pressure side and partially returned to the suction chamber. This allows continuous operation in high pressure ranges. The use of hammer-shaped rotors also contributes to the attainment of high differential pressures. The most demanding applications (such as metallurgy, plastics production or cryostat) up to atmospheric pressure can be realized in combination with the gas coolers necessary for the process adaptation.

Less power consumption thanks to frequency converter
Modern, energy efficient drives and the use of frequency converters lowers energy consumption by up to 20%. Pumping speed can be precisely adjusted, and a gentle soft-start of the Roots pump is made possible. This keeps operating costs low, increases service life and protects the pump. The gear and bearing chambers in the OktaLine G are completely separate from the gas pumping chamber. Because the rotors operate without making contact, dry operation is assured.

About Pfeiffer Vacuum
Pfeiffer Vacuum (Stock Exchange Symbol PFV, ISIN DE0006916604) is one of the world’s leading providers of vacuum solutions. Among a full range of hybrid- and magnetically levitated turbopumps, the portfolio comprises of backing pumps, measurement and analysis devices, components, vacuum chambers and systems. Ever since the invention of the turbomolecular pump by Pfeiffer Vacuum, the company has stood for innovative solutions and high-technology products that are used in the analytical segment, in research and development, environmental technology, chemistry, semiconductor production and coating technology, as well as in the automotive industry and any number of further sectors. Founded in 1890, Pfeiffer Vacuum is today active throughout the world together with a workforce of some 2,200 people as well as about 28 subsidiaries. Further information is available at www.pfeiffer-vacuum.com.

Pfeiffer Vacuum
Berliner Str. 43
35614 Asslar
Tel. +49 (0) 06441 802 0
Fax +49 (0) 06441 802 202
E-Mail info@pfeiffer-vacuum.de
www.pfeiffer-vacuum.com

Pressekontakt:

Pfeiffer Vacuum GmbH
Public Relations
Nicole Ackermann
Tel. +49 (0) 6441 802 169
Fax +49 (0) 6441 802 500
E-Mail Nicole.Ackermann@pfeiffer-vacuum.de
www.pfeiffer-vacuum.com

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