... , Flange Integrated 3.SCHWING, PM Concrete Pipe ElbowOur elbows are high manganese steel casted and flanges are casted together and machined to finish which strengther ... .The service life is 25,000-30,000 cubic meters and can be used on Schwing, Putzmeister, Kyokuto, Cifa, Sany, Zoomlion ... ,000 cubic metersPump brandSchwing, Putzmeister, Kyokuto, Cifa, Sany, Zoomlion.SurfacePainting Concrete Pipe Elbow