Internal circulation

Sometimes it is necessary to cool the seal faces in a centrifugal pump with a single mechanical shaft seal or remove deposits in the seal chamber. Fitting a circulation pipe can solve this problem.

Sometimes it is necessary to cool the seal faces in a centrifugal pump of single mechanical shaft seals or remove deposits in the seal chamber. In such cases a circulation pipe from the pump discharge side to the seal chamber can be fitted. The cooling liquid flows from the seal chamber back to the pumped liquid. This ensures a good exchange of the liquid in the seal chamber. A pipe dimension of Ø8/Ø10 is sufficient.





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