... Concrete Pump Delivery Pipe Elbow 1. DN125 * R275/R385/R320 * 90'/45'/30' 2. High Manganese Casted, Flange Concrete Pump Elbow ... Our elbows are high manganese steel casted and flanges are casted together and machined to finish which ... Cifa, Sany, Zoomlion, etc, boom pumps.Technical Data: NameConcrete pump elbowSizeDN125(5’’), DN150(6’’)RadiusR275, R180 R320Degree90’, 60’, 45’ ...