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How to choose metering pump it?
What information do you need to properly select a metering pump? First, you should determine the flow rate of the liquid being measured. Second, understand the main properties of the liquid, such as its chemical corrosion resistance, viscosity, and specific gravity. Third, consider the system's back pressure, which affects the pump’s performance. Fourth, evaluate the suction height required for the application. Lastly, think about additional features like analog control, pulse control, flow monitoring, or timer functions that may be necessary for your process.
What are the key advantages of an electromagnetic-driven metering pump? These pumps have only one moving part—the armature shaft. The fewer moving parts a pump has, the more reliable it tends to be. Electromagnetic metering pumps are ideal for low-flow and low-pressure environments and can handle voltage fluctuations effectively. They operate at a fixed frequency while adjusting the stroke length, or maintain a fixed stroke length while varying the frequency. This flexibility allows for precise dosing control.
One major benefit is that each stroke can be calibrated to deliver a known dose. As a result, the total dosage can be easily calculated by multiplying the dose per stroke by the frequency. The relationship between frequency and total dosage is linear—so 50% frequency equals 50% dosing. With external pulse or analog control, the dosage can be adjusted from minimum to maximum in just one second. Plus, this type of control is much more cost-effective compared to motor-driven stroke adjustments.
If you want to learn more about how to choose the right metering pump for your needs, Shengzhou Weidelong Pump Co., Ltd. is here to help. We offer expert guidance and high-quality solutions tailored to your application. Discover more about our products and services today. Let us support your pumping requirements with precision and reliability.