... concrete 4.Sany,Zoomlion,Schwing SpecificationsConcrete pump pipe: 1.Name:Concrete Pump Pipe 2.Material:ST52 3.25000-30000cbm ... )Weld-on EndsApplicable pump Brands ST52/ST37/20#/Q235steel pipe 1254.0 3000/2000/1000148mmSchwing,Putzmeister, CIFA, Kyokuto, ... ,7.0148mmChrome Carbide insertSchwing,Putzmeister, CIFA, Kyokuto, SanyZX-Pipe(ST52)Harden ZX-Pipe1257.0ZX-5’’F/M FlangesPutzmeisterHigh Pressure1257 ...