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American National Standard for Controlled Volume Metering Pumps for Nomenclature, Definitions, Applications, and Operation standard by Hydraulic Institute, 2006
This new standard is for controlled volume metering pumps (also known as metering pumps, proportioning pumps, chemical injection/feed pumps or dosing pumps) are reciprocating positive displacement pumps typically used for the injection of chemical additives, proportional blending of multiple components, or metered transfer of a single liquid. It includes:
