Pedrollo centrifugal electrical pumps of HF series recommended for water or chemical non-aggressive liquid pumping. The HF series pumps can be operated under long and high loads, which allows them to be used for gravity irrigation and sprinkling, for water extraction from lakes, rivers, wells, as well as in a wide variety of industries where it is necessary to achieve high supply rates at medium and low pressure. Installation of the pump must be carried out in closed rooms or in places protected from atmospheric influence.