The Speroni HG(M)50 and HG80 range are self priming, mono-block, centrifugal pumps with pump bodies, motor supports and open impellers in cast iron. The design incorporates a rubber check valve, to maintain the priming water level, and enable automatic priming during starting even when the inlet pipe is empty. The stainless steel shafts are fitted with carbon ceramic and NBR mechanical seals. Motor protection is IP44. Single phase motors incorporate an overload protection device. They are designed for pumping dirty water, without abrasive particles, at temperatures up to 90ºC. They are capable of a suction lift of 7 metres. They are designed for many industrial and agricultural applications.