Hi 9.6.2 ((better))

Guidelines for measuring and reporting key performance parameters such as flow rate, head, power consumption, and efficiency.

Single casing variants discharging through a column with a diffuser or volute, categorized as VS1 and VS2 pumps. Why Nozzle Load Assessment Matters hi 9.6.2

: Loads can warp the casing enough to shift the impeller out of alignment with the driver, causing high vibration. hi 9.6.2

: Stress caused by the temperature difference between the piping and the pump casing. hi 9.6.2