Piston grouting pump >German technology, make 15years >two pistons&ball valves,pressure:4.5Mpa >Max pump height:10-80m 2UB5 Double pistons grouting pump UB series and 3SNS piston mortar pump have features of high pressure, large flow, stable working. They're applied to conveying and plastering various kinds of features and uses of different dry ready-mixed mortar, including various special ...