Name: HI 3.1-3.5 PDF - Engineering Standards Download
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Description

HI 3.1-3.5 – American National Standard for Rotary Pumps for Nomenclature, Definitions, Application and Operation

This is a revision of the 2015 edition of the standard. In this edition standard units and equations, graphs, illustrations, and technical requirements were updated and clarified throughout the document. ANSI/HI 3.1-3.5. offers a basic educational overview on rotary pumps, design and application considerations related to the selection of the right rotary pump for a specific industry use as well as the installation, maintenance and operating procedures. The standard addresses seven basic types of rotary pumps:

Sliding vane
Piston, axial
Flexible member
Lobe
Gear
Circumferential piston
Screw

This standard applies to industrial/commercial rotary positive displacement pumps. It includes types and nomenclature; definitions; design and application; and installation, operation, and maintenance. It does not include standards on magnetic drives for sealless pumps (see ANSI/HI 4.1-4.6 Sealless, Magnetically Driven Rotary Pumps for Nomenclature, Definitions, Application, Operation, and Test) nor rotary pumps primarily used for fluid power applications. For information on rotary pump tests, see ANSI/HI 3.6 Rotary Pump Tests.
A comprehensive overview of features and attributes of rotary pumps is presented in Sections 3.1.1 through 3.1.7.2.2, which contain descriptive material covering the basic technologies highlighted in Figure 3.1. These include a description of each configuration, typical applications, and general operating ranges for commercially available designs for viscosity, flow, and pressure. Operating ranges stated represent only a single hydraulic parameter and do not indicate that all maximum conditions can be met simultaneously. Suppliers should be contacted for such details.