Dosing pumps are used to dose chemicals into water or air. They can be found in many industries including food processing, pharmaceuticals, chemical manufacturing, and more. Most dosing pumps have a diaphragm that moves back and forth as it fills and empties. This movement creates pressure inside the pump which forces liquid through an outlet tube. The amount of liquid dispensed depends on how far the diaphragm travels during each cycle. If the diaphragm stops moving, there will be no flow until the diaphragm begins again.

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