Description: difference between installation outlet and inlet head; Name: installationtotalhead
Description: Determined difference between the total head at the oulet side of the installation and the total head at the inlet side of the installation; Name: Installation total head
Description: permanent operation, short-term operation or periodic operation characterized by one of more loads and which remains unchanged during a certain period, or, in the case of non-periodic operation, where the load and speed generally change within the permissible operating range; Name: Operation type time sequence of the drive