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2.3.3 Portfolio overview

Diaphragm pumps from Pfeiffer Vacuum are available in a variety of versions. They differ in terms of their ultimate pressures and pumping speeds. The pumping speeds of the pumps are between 6 and 160 l / min (0.36 – 9.6 m3/ h). Ultimate pressures of less than 4 mbar for two-stage pumps and less than 0.5 mbar for four-stage pumps can be attained. Pumps that feature corrosive gas design with coated diaphragms and corrosion-resistant housings are available for pumping corrosive gases.

Table 2.8: Diaphragm pump performance datazoom table
Table 2.8: Diaphragm pump performance data

The designations for the pumps are selected in such a manner as to indicate the number of pumping stages and the pumping speed. Corrosive gas pumps have the letter C as a suffix to the model designation.

(Figure 2.6)zoom figure
Figure 2.6: Diaphragm pump model designations

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