1)Hydraulic Institute Standards are adopted in the public interest and are designed to help eliminate misunderstandings between the manufacturer,the purchaser and/or the user and to assist the purchaser,in selecting and obtaining the proper product for a particular need.
2)Use of Hydraulic Institute Standards is completely voluntary. Existence of Hydraulic Institute Standards does not in any respect preclude a member from manufacturing or selling products not conforming to the Standards.
HI 7.1-7.5-2013 history
2024HI 7.1-7.5-2017 American National Standard for Controlled-volume Metering Pumps for Nomenclature, Definitions, Application, and Operation
2013HI 7.1-7.5-2013 Controlled-Volume Metering Pumps for Nomenclature, Definitions, Application, and Operation
2006HI 7.1-7.5-2006 Controlled-Volume Metering Pumps for Nomenclature, Definitions, Application, and Operation