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Operation without malfunctions
The new pump was installed in January 2009 and has been operating without malfunctions since then. And that’s not all: during its 18 months of service, the front part of the pump was dismantled twice at the request of the operator of the acrylic acid plant, who places great value on continuous checks. They were pleased to find that there were no product deposits in the labyrinth system, and the impeller and pump casing were also clean and did not exhibit any signs of wear. The frictionless seal rings had not caused any running-in marks on the labyrinth — “the insides of the pump were in the same condition as when it was delivered,” emphasises Frank Bungartz, “the advantages for users are obvious: in addition to saving energy, the operational reliability, the maintenance interval of three years and a very long service life pay off in the long run.” So it is not surprising that the operator immediately ordered five more DryRun pumps...
* The author is the proprietor of A.v.D. Kommunikation, Jüchen. Contact Bungartz: Phone +49 (0)2 11 / 57 79 05 - 0
(ID:23173060)