... international products with advanced technology. They are centrifugal pumps, structured with single-casing which is connected by clamp rings or bolts, featured ... abrasive, wide flow channel, easy erection and so on.These pumps are built of wet end, shaft seal, bearing assembly, base ... grease or light oil. The wet end parts including impeller, casing, door and back liners are cast of anti-abrasion alloy ...