Description: relationship between the efficiency of the pump and the rate of flow at given operating/rated conditions of speed and liquid; Name: efficiency curve of the pump
Description: relationship between the total head of the pump and the rate of flow at given operating conditions /rated conditions of speed and liquid; Name: Pump efficiency curve
Description: Describes the membership of the tariff number to a specific type in terms of structure and meaning and thus also defines its general context; Name: Type of customs tariff number