Description: the maximum flow a component can deliver; Name: Optimum flow capacity
Description: Rate of flow at the point of best efficiency; Name: Optimum rate of flow
Description: The norm in fixed relation to the feature being described. This defines the parameters that influence the contents of the correlated feature. Type and number of the norm with issue year and issue month must be given, e.g. DIN ISO 4711:YYYY-MM.; Name: Reference norm material, pumping medium