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: Allocation of the devices according to deployment site and cause of the hazard. NOTE: The Group II operating media are further subdivided into explosion groups and temperature classes; Name: Explosion protection device group of the pump