This Standard is for types, nomenclature, and definitions of vertical turbine, mixed flow, axial flow vertical diffuser, dunmrtdle motor deepwell and short-set pumps, types VS0,VS1,VS2,VS3,VS6,VS7,and VS8 (Figure 2.1.3)that are driven by vertical electric motors or horizontal engines with right-angle gears.
HI 2.1-2.2-2008 history
2014HI 2.1-2.2-2014 Rotodynamic Vertical Pumps of Radial, Mixed, and Axial Flow Types for Nomenclature and Definitions
2008HI 2.1-2.2-2008 Rotodynamic(Vertical) Pumps for Nomenclature and Definitions