What is a Metering pump?

A positive displacement pump is a type of pump designed to deliver a precise, fixed amount of liquid at a constant flow rate. These pumps are widely used in industries such as chemicals, pharmaceuticals, food processing, and environmental protection, where precise control over the volume and flow of liquid is required. The key characteristic of a positive displacement pump is its ability to maintain a consistent flow rate, making it essential for applications such as the injection of chemicals, additives, liquid dispensing, and water supply systems. Common types include diaphragm pumps and piston pumps, with each suited for specific applications.

Application of Metering pump

１．Chemical Injection: Positive displacement pumps are used in chemical plants to inject precise amounts of chemicals into processes, ensuring proper reactions and safety.
２．Pharmaceutical Drug Dispensing: In pharmaceutical factories, positive displacement pumps are used to accurately measure and dispense drugs into products.
３．Water Treatment Plant Chemical Dosing: In water treatment facilities, these pumps are used to accurately dose chemicals like disinfectants and coagulants.
４．Food Industry Additive Injection: In food processing, positive displacement pumps are used to add flavorings or additives to production lines in a precise manner.
５．Agricultural Fertilizer Distribution: These pumps are also used in agriculture to deliver a consistent amount of fertilizer to crops, improving farming efficiency.

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