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    Tag: dosing pump

    How to Choose a Suitble Dosing Pump?

    A dosing pump is a special volumetric pump used to transport liquids, especially corrosive liquids. The flow can be adjusted steplessly in the range of 0-100%. The dosing pump is also called a quantitative pump or a proportional pump. The dosing pump belongs to the reciprocating positive displacement pump. It is used for precise metering. Usually, the stability accuracy of the dosing pump is required to be no more than ±1%. With the continuous development of modern industry towards automatic operation and long-distance automatic control, the advantages of dosing pumps are particularly prominent because of their strong compatibility and adaptability to a wide range of media (liquids).

    How Does a Dosing Pump Work?

    How does the dosing pump measure? The dosing pumps of the same model and specifications have different internal structure designs, so the metering methods are different. For example, the working principles of plunger and diaphragm dosing pumps are different, and there is also a difference in metering accuracy.

    Dosing Pump Price List

    The dosing pump is a special positive displacement pump that can meter the delivered fluid. It is generally composed of a control part, a driving part, a transmission part and an overcurrent part. The main difference between an electromagnetic diaphragm metering pump and other metering pumps is the driving part. The rated flow of the ATO dosing pump is in the range of 1.08-31.2 L/h, and the output pressure is 1.8-22.7 bar. The outlet flow of the dosing pump can be realized according to the stroke frequency.

    Dosing Pump Working Principle

    The working principle of dosing pump is relatively simple, but because it involves highly corrosive liquid and high-precision flow, it has very high requirements for every part and every process of the machine. When the coil of the electromagnet is charged, the iron core pulls the electromagnetic push rod together, and at the same time, the corresponding five springs are compressed and the liquid is quantitatively sucked in. And when the coil of the electromagnet loses power, due to the disappearance of the electromagnetic force, the compressed 5 springs will be released, so that the liquid is quantitatively discharged.

    Types of Dosing Pump

    Diaphragm dosing pump with specially designed flexible diaphragm instead of piston, under the action of driving mechanism to achieve reciprocating movement, complete the suction and discharge process. Due to the isolation of the diaphragm, the isolation between the metering fluid and the driving lubrication mechanism is truly achieved in structure. The use of high-tech structural design and the selection of new materials, greatly improve the service life of the diaphragm. Diaphragm metering pumps, combined with the excellent corrosion resistance of composite materials, have become the main pump type in fluid metering applications.