... 51000175 steel pipe1504.5500175 The main products 1,Concrete pump pipe :ST52 concrete pump pipe , 45Mn2 Wear-resistant pipes, Twin ... Reducer , tee, .ect.2, the towed concrete pump, Concrete placing boom series.3, Concrete pump truck fittings : Wear plate and wear ... , delivery cylinder,.ect4: Concrete pump clamp : DN80, DN100,DN125,DN150 Casting pipe clamp and Forged clamp.5, Other accessories: Rubber ...