Description: Characterization of a file with respect to its application type; Name: Source file type
Description: classification of a file seal according to its application type; Name: type of source file
Description: net positive suction head (NPSH) from flow rate at best efficiency point for actual impeller (indication of the minimum inlet pressure in meters required for the pump to deliver according to the QH curve. related to the optimum duty point at the current impeller diameter); Name: net positive suction head for Q opt at actual impeller size