... concrete pump parts and spare parts,like delivery pipe,elbow,coupling,fitting schwing,PM, delivery pipe This is the brief introduction of our ... to Schwing and PM , Sany, Zoomlion,CIFA,etc),which include delivery pipe, elbow, reducer, (coupling)clamp , male and female flange ,rubber ... length,other length as to your requeirement. 2. elbow/bend and reducer elbowmaterial:Hi-Mn13,20#steel,st52,etcsize:DN ...