Metering pumps are specialty pumps: They’re designed for precision-injection of chemicals, acids, bases, corrosives or viscous liquids and slurries. Metering pumps are required for applications where one or more of the following conditions exist:
High accuracy feed rate is demanded
Low flow rates in ml/hr or GPH are required
High system pressure exists
Flow rates vary, and must be controlled by computer, microprocessor, DCS or PLC.
Corrosive, hazardous, or high temperature fluids are handled
Viscous fluids or slurries need to be pumped.
There are lots of applications that require corrosion inhibitors, wax inhibitors, biocides, antifreeze, disinfectants, coagulants, oxygen scavengers, polymers, softening agents, acids/bases, process additives and other types of chemicals for their processes. The main industries that purchase metering pumps include:
Industrial water treatment (cooling towers and boilers)
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