ST52 putzmeister concrete pump pipe (1) material : alloy steel (2) diametre: DN125 / 5'' (3) flange : SK HBYM-Concrete Pump Parts We are leading concrete pump parts supplier in China . We can supplier pump parts for different brand , including Putzmeister, Schwing, Sany, CIFA, Kyokuto, IHI etc .Products include : delivery pipe , elbow, piston ram ,seal , hydraulic parts . We have customers in ...