Model Number: DN125 DN150, DN125,DN150 name: concrete pump casting elbow/single wall elbow Curvature: Customizable Bend degree: 90D,45D,30D,25D,20D,15D,10D etc Connection: Flange Material: Carbon steel certificate: ISO9001-2008 Surface of treatment: baking Material of elbow: Mn13 application: PM, CIFA, Sany Processing and Technology Raw Material—-Plasma Cutting Pipe Technology—-Automatic Welding Flange—-Quench (harden)—-Rust Removing Abrasive Blasting—- Electroni Spraying—-Baked Enamel—-Packing   Product NO. Name Material Size Life time Diameter Thickness Radius Degree PK021 Twin wall concrete pump elbow 16Mn+ST52 DN100 DN125 DN200 etc. 3.5+10mm 3.5+20mm etc. R275 R180 etc. 9D,15D, 30D,45D, 60D,90D etc. Best PK022 Single