Description: Period of time in which an object is in external disturbance; Name: external disruption time
Description: time interval throughout which an item is in an external disabled state; Name: external disabled time
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