Description: this feature describes the optimum head of a component at the point of highest efficiency; Name: head at best efficiency
Description: Total head developed by the pump at a rate of flow corresponding to the best efficiency; Name: Optimum head
Description: Value indicated by the manufacturer of the device which arises from measurements which have been found out under fixed conditions and rules for the tension which can be laid out to electrical operating supplies under consideration of the use conditions and on which the different product-specific testings refer; Name: Rated input voltage