The suction piping of pump
The purpose of pump piping is to provide a conduit for the flow of liquid to and from a pump, without adversely affecting the performance or reliability of the pump. However, many pump performance and reliability problems are caused or aggravated by inadequate system piping.
This article, largely based on the latest International Standards Organization/ Hydraulic Institute (ISO/HI) draft standard, "Pump Piping for Rotodynamic (Centrifugal) Pumps," outlines the methodology required to ensure optimum piping leading to and from a centrifugal pump.
Suction piping
The function of suction piping is to supply an evenly distributed flow of liquid to the pump suction, with sufficient pressure to the pump to avoid cavitation ," and related damage ," in the pump impeller. An uneven flow distribution is characterized by strong local currents, swirls and/or excessive entrained air.
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2012-08-31
