Concrete Pump delivery pipe: normal steel pipe and hardened pipe Sany, Zoomlion, Putzmeister, Schwing We, Zhuzhou ... limit to spectacle wear plate, wear ring, s pipe, chrome bushing, swing lever, intermidiate ring etc. ... 7 shape T.C. type) 2. S pipe and related S valve parts 3. Concrete pump ... spare parts: delivery Pipe, elbow, reducer, rubber seal, pistons, intermiate ring ...