Description: minimum existing (NPSH) value in the inlet cross-section of the pump, which is determined by the system conditions for a fixed flow rate; Name: npsh avail
Description: Minimum NPSH available at the inlet area of the pump as determined by the conditions of the installation for a specified rate of flow ; Name: Net positive suction head available
Description: time interval throughout which an item is in an external disabled state; Name: external disabled time