... Wear-resistant pipes, Twin wall pipes ,Reducer , tee, .ect.2, the towed concrete pump, Concrete placing boom series.3, Concrete pump truck fittings : Wear ... : Concrete pump clamp : DN80, DN100,DN125,DN150 Casting pipe clamp and Forged clamp.5, Other accessories: Rubber hose , Cleaning ball , Sponge plug ...