File name: Centrifugal pump types pdf
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amount of flow to be delivered through discharge of pump).It is represented on the X-axis of the Curve. This force tends to move the impeller away from the suction side. Flow rate depends on friction. This design is not only used for its self-priming capabilities but also for its degassing effects when pumping two-phase mixtures (air/gas and liquid) for a short time in process engineering or when handling polluted fluids, for example, when draining water Flow: Flow is the quantity of liquid available for pumping application (i.e. Flow rate depends on elevation difference or static head. Energy and head in pump systems. How does a centrifugal pump produce pressure. Three important characteristics of a pump system: pressure, friction and flow. Figure Typical pump capacity coverage chart Centrifugal pumps are a very broad category of pumps. They vary so much in size, capacity, and abilities that it can be difficult to understand which is right for your ap-plication. This pressure diference drives the luid through the system or plant Designed for Cleaning-in-Place (CIP), the Alfa Laval LKH is ideal for hygienic applications within the dairy, food, beverage and personal care industries that require gentle product treatment and reliable operation. The majority of pumps produced by Grundfos are centrifugal pumps. What is friction in a pump system. Static head. What is total head In this chapter, you will be introduced to different types of centrifugal and positive displacement pumps and their various distinguishing external features such as their construction and components This chart helps narrow down the choice of pumps that will satisfy the system requirements. This guide is designed to help you get a very basic understanding of the best applications, advantages, and disadvantages of different centrifugal pumps we help our Different types of pump systems. Outlet Principle of the centrifugal pump An increase in the luid pressure from the pump inlet to its outlet is created when the pump is in operation. “Figure 1” shows a single-suction pumpVolute-Type Centrifugal Pump CasingPumps come in many forms, but can generally be categorised according to two main operating principles: Positive displacement pumps and centrifugal pumps. The LKH pump is available insizes to handle capacities up to m3/hour and differential pressures up tobar atHz Another type of self-priming pump is a centrifugal pump with two casing chambers and an open impeller. This article deals exclusively with centrifugal pumps A coverage chart (see Figure) makes it possible to do a preliminary pump selection by looking at a wide range of pump casing sizes for a specific impeller speed. Measurement of Unit is m/h or GPMDifferential Pressure Head: The head is the equivalent height of fluid energy due to pressure, velocity, or height above the datum centrifugal pump impeller is exposed to a large axial hydraulic thrust force resulting from the unbalanced hydraulic pressure on the impeller.
