refers to the American National Standard ANSI/HI 9.6.2 "Rotodynamic Pumps for Assessment of Applied Nozzle Loads." Published by the Hydraulic Institute (HI)
The standard applies to several specific rotodynamic pump configurations, including: Horizontal End Suction: Single-stage pumps (aligned with ASME B73.1 and B73.3). Vertical In-Line: Single-stage pumps (aligned with ASME B73.2). Axially Split: One and two-stage pumps (BB1 type). Vertically Suspended: hi 9.6.2