Boom vertical reach(m):42 Pumping volume(m3/h):120-185 Concrete pressure(bar):61-76 Cylinder diameter X stroke(mm):230X2 The series of boom concrete pumps mounted on truck which is produced through thecooperation with SERMAC in Italy adopted high quality components to ensure reliabilityand durability, such as Rexroth hydraulic pump and electric valve, Havahydraulic distributing valve, ratio valve ...