... '/30' 2. High Manganese Casted, Flange Integrated 3.SCHWING, PM Concrete Pipe ElbowOur elbows are high manganese steel casted and flanges are ... ,000 cubic metersPump brandSchwing, Putzmeister, Kyokuto, Cifa, Sany, Zoomlion.SurfacePainting Concrete Pipe Elbow