Providing high performance and high head, these pumps are ideal for use in industrial and tertiary industries. They are used in the feeding of hydrocyclones in the field of aggregate treatment and washing and in all areas where there is a need to carry abrasive and / or acidic fluids. Bodies and impellers can be made from superalloys with high mechanical abrasion resistance (up to a hardness of about 800 HB) or covered with a special compound of anti-abrasive rubber.