... connection, product type: DN125 DN100 DN80 NameDN125 pipe clamp for concrete pump truckSize3.5inch,4inch ,5 inchMaterialHi-Mn ... 13 carbon steel, etcTypeQuick/snap clamp, bolt clamp, screw clamp, wedge clampTechnicalprecision castingApplicationConnection of Concrete pump and ... pipes, Twin wall pipes ,Reducer , tee, .ect.2, the towed concrete pump, Concrete placing boom series.3, ...