1996 | OriginalPaper | Buchkapitel
Problems Related to Specific Circumstances
verfasst von : Sam Yedidiah
Erschienen in: Centrifugal Pump User’s Guidebook
Verlag: Springer US
Enthalten in: Professional Book Archive
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A semi-open impeller has only one shroud. The second shroud is replaced by a stationary wear face cast integrally with the casing or by a stationary wear plate firmly attached to the casing. Experience has shown that the clearance C (Fig. 19–1) between the impeller vanes and the wear face has a profound influence on the performance of the pump.