... R275/R385/R320 * 90'/45'/30' 2. High Manganese Casted, Flange Integrated 3.SCHWING, PM Concrete Pipe ElbowOur elbows are high ... which strengther quality.The service life is 25,000-30,000 cubic meters and can be used on Schwing, ... ’, 60’, 45’QualityCast manganeseService life25,000-30,000 cubic metersPump brandSchwing, Putzmeister, Kyokuto, Cifa, Sany, Zoomlion.SurfacePainting Concrete Pipe Elbow