We also had problems with our 2 Pfeiffer DUO2.5 installed in Finnigan
Delta+:
On both pumps the motor capacitor and shaft sealing failed after appr 1.5
years of operation.

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Manfred Jaklitsch                               tel.:   +43-1-2600/21768
Isotope Hydrology Laboratory            fax :   +43-1-26007/21768
International Atomic Energy Agency              e-mail:
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P. O. Box 100
A-1400 Vienna
Austria
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