concrete pump S valve 1. Welding type 2. Casting type We ... wear plate, wear ring, s pipe, chrome bushing, swing lever, intermidiate ring etc. 1. Tungsten carbide wear ... IHI, Niigata etc 2. S pipe and related S valve partsFitting to Sany, Zoomlion, Kyokuto, Putzmeister, Waitzinger etc ... (welding& casting), reducer, rubber seal, pistons, intermiate ring, swing lever etc We can also make the parts by your ...