With so many different types of pumps, what about the centrifugal pump? As both a process and laboratory pump, centrifugal pumps are commonly used in pilot plant processing, line cleaning and irrigation, for filling and draining, as feed pumps for spraying systems, and in cooling tower transfer.
Centrifugal pumps have many advantages. They offer high flow rates, low pressures, and pulseless flow at a low price—they’re ideal for your general transfer applications. Their simple design means quick installation, low maintenance, and easy repair. They are electric-driven and suitable for continuous duty.
Most centrifugal pumps must be gravity fed or be utilized with a priming chamber; some are self-priming. Control the flow rate by restricting the flow at the outlet with a nozzle or valve, and in most cases, you can restrict the outlet indefinitely without damaging the pump. Centrifugal pumps should not be run dry.
The 316 stainless steel centrifugal pumps work well in many commercial and industrial applications where chemical compatibility is necessary for the bulk transfer of the system liquid.
Types of Centrifugal Pumps
Magnetic Drive Pumps operate by a magnetic field that couples the impeller and motor together. There are no shafts or seals connecting the impeller and motor. Therefore, friction loss, wear, contamination, and leakage generally caused by shafts and seals are eliminated.
Mechanically Coupled Pumps have a physical connection between the motor and the rotating impeller. This can be accomplished by the impeller on either the motor shaft or a shaft connected to the motor shaft. They often are less expensive than magnetic drive pumps and can achieve higher flow rates and pressures.
It seems like centrifugal pumps are a great option for many applications. Like you said, “they offer high flow rates, low pressures, and pulseless flow at a low price.” It is also interesting that there is a magnetic version of the centrifugal pump. Thanks for posting!
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