... -acting; Hydraulic drive; Add hydraulic pressure by machine; ZBYS Hydraulic Piston Grouting Pump.ZBYS series high-pressure grouting pumps are single-cylinder ... .mm3232Drive Powerkw1111TransmissionHydraulicHydraulicChassisSlidSlid or wheel typeNet Weightkg450480Dimensionmm450×820×8501500×820×850 ZBYS Hydraulic Piston Grouting Pump