In centrifugal chemical pump, the velocity of the liquid being pumped is converted into pressure. These kind of chemical pumps are used to move fluids with a water-like viscosity or when flow quantities are large in comparison to pressure requirements. Metering chemical pumps are used to pump a wider range of chemicals and feature a high level of repetitive accuracy. Capacity can be adjusted either automatically or manually. Positive displacement chemical pumps include a single diaphragm and chamber, as well as suction and discharge check valves to prevent back flow. Chemical pumps are used in heating, venting, and air conditioning.

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2012-07-13

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