Basics and Benefits of High-Pressure Centrifugal Pumps

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Basics and Benefits of High-Pressure Centrifugal Pumps Centrifugal pumps cover a wide range of pumps as they tend to vary so much in terms of ability, capacity, and size. High-pressure centrifugal pumps can be found in various different forms like self-priming, submersible, and standard end suction, along with a variety of applications. How a Centrifugal Pump Works High-pressure centrifugal pumps move fluid by using centrifugal force to generate the velocity of the liquid. Fluid enters the pump through the suction nozzle, and into the eye of the impeller. The impeller vanes hold the fluid and revolve it, both radially and tangentially until it leaves the pump on the discharge end of things. The fluid is under a lot more pressure when it leaves the pump as compared to when it entered. Now, does the impeller do all the work? No, it’s only part of the hydraulic design of the centrifugal pumps. The impeller is only useful if the liquid being pumped is controlled by the volute. The volute is another part of the hydraulic design which transforms the velocity of the liquid into pressure and controls the pumped liquid as it’s discharged from the pump. Note this: Pumps are simply not designed to suck liquid into themselves. But actually, the atmospheric pressure pushes the water into keeping the liquid in its natural state. Even selfpriming pumps don’t suck liquid into the pump. They simply can’t do this as they are designed to handle air, with the atmospheric pressure pushing the liquid into the pump by reducing the pressure on the suction end of the pump. Best Applications of High-Pressure Centrifugal Pumps Centrifugal pumps are best suited for pumping water and other such low viscosity fluids. When pumping viscous liquids, the pump efficiency is naturally reduced. On the other hand, they tend to have a better tolerance for solids as compared to positive displacement pumps, some are even built to pass solids greater than 10’ in diameter. Advantages High-pressure centrifugal pumps are best suited to moving a high volume of low viscosity fluids at high speeds. With such a wide variety of options, it isn’t hard to find a centrifugal pump that’s a good fit for your particular need. Basically, you can find a pump to suit almost any application purpose. Disadvantages Unfortunately, high-pressure centrifugal pumps tend to be sensitive to operating conditions. Cavitation, imbalance, and equipment vibration are just some of the factors that can cause a centrifugal pump to self-destruct.


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