... spare parts,like delivery pipe,elbow,coupling,fitting schwing,PM, 90 degree bendThis is the brief introduction of our products: we ... :DN 125mm or DN 150mm (R275,R225,R315,etc)degree:90, 60,45,30,15 3. concrete pump coupling/clampmaterial:Hi ... parts to the pump truck We can also supply the s-pipe,gate valve,delivery cylinder,RAM,back-up ring,etc ...