... spare parts,like delivery pipe,elbow,coupling,fitting schwing,PM, 90 degree bendThis is the brief introduction of our products: we produce ... ),which include delivery pipe, elbow, reducer, (coupling)clamp , male and female flange ,rubber hose,cleaning ball,wear plate etc. Welcome to ... ,etcsize:DN 125mm or DN 150mm (R275,R225,R315,etc)degree:90, 60,45,30,15 3. concrete pump coupling/clampmaterial:Hi ...