1.Concrete Pump Spare Parts 2.Usd for concrete pumps 3.Agent:8 ... PM , Sany, Zoomlion,CIFA,etc),which include delivery pipe, elbow, reducer, (coupling)clamp , male and female flange ,rubber ... is standard length,other length as to your requeirement.2. elbow/bend and reducer elbowmaterial:Hi-Mn13,20#steel, ... coupling/clampmaterial:Hi-Mn13,20#steel,etcsize:from 2 to 6inch,DN125mm and DN 150mm is the common ...