API Horizontal Centrifugal Pump
A centrifugal pump is a kinetic machine converting mechanical energy into hydraulic energy through centrifugal activity. A centrifugal pump is one of the simplest pieces of equipment. Its purpose is to convert energy of an electric motor or engine into velocity or kinetic energy and then into pressure of a fluid that is being pumped. The energy changes occur into two main parts of the pump, the impeller and the volute. The impeller is the rotating part that converts driver energy into the kinetic energy. The volute is the stationary part that converts the kinetic energy into pressure.
Liquid enters the pump suction and then the eye of the impeller. When the impeller rotates, it spins the liquid sitting in the cavities between the vanes outward and imparts centrifugal acceleration. As the liquid leaves the eye of the impeller a low pressure area is created at the eye allowing more liquid to enter the pump inlet.
Chapter 11. Pumps
11.1 Centrifugal Pumps
11.2 ANSI End Suction Pump
11.3 API 610 End Suction Pump
11.4 Pump Piping
11.5 Cavitation
11.6 Pump Curves
11.7 Pump Calculation
11.8 Horizontal Pumps – Location and Layout
11.9 Vertical Inline Pumps
11.10 Piping at Pumps – Suction
11.11 Piping at Pumps – General
11.12 Piping at Double Suction Pumps
11.13 Pump Foundations and Alignment
11.14 Piping at Parallel Pumps
11.15 Positive Displacement Pumps (PD Pumps)
11.16 Steam Turbines
11.17 Forces and Moments on Pump Nozzles
11.19 Check List for Pump Piping
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