Abstract
Centrifugal pump operation is more than switching the pump on and directing the discharge flow to the required delivery point. This holds true even when a control valve is installed in the discharge line for the purpose of flow or level control. A few very essential operating guidelines must be adhered to if early bearing or seal failure, premature erosion of internal wetted surfaces, or metal-to-metal contact of internal rotating and stationary surfaces, is to be avoided. In this article, Stan Shiels addresses the fundamentals of proper centrifugal pump operation, and the most common areas of improper centrifugal pump operation. It is assumed that the pump has been successfully commissioned.
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