This standard covers nomenclature and definitions, criteria for loading allowances, list of material specifications, adjustment factors, maximum allowable individual nozzle loads, and example assessments of applied nozzle loads. The assessment of applied nozzle loads are covered for the following: horizontal end suction single stage (ANSI/ASME B73.1 and B73.3), vertical in-line single stage (ANSI/ASME B73.2).Axially split one and two stage (BB1) and vertically suspended pump single casing discharge through column with diffuser and volute (VS1 and VS2).
Pump OEMs, engineering and consulting firms, and purchasing agents who specify pumps for different applications must be aware of effects of nozzle loads on pump performance and life would benefit from this standard.
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