... product type: DN125 DN100 DN80 NameDN125 pipe clamp for concrete pump truckSize3.5inch,4inch ,5 inchMaterialHi-Mn ... clamp, wedge clampTechnicalprecision castingApplicationConnection of Concrete pump and pump truck pipelineSurfacePainting or GalvanizingServing brandSchwing, PM, CIFA, Sany, ... placing boom series.3, Concrete pump truck fittings : Wear plate and wear ring, S valves, Concrete pump piston , ...