... according to your different needs of custom-made Concrete Pump Pipe TypeDNThickness(mm)Length(mm)Companion Flange(mm)Weight(kg) ... .5500175 The main products 1,Concrete pump pipe :ST52 concrete pump pipe , 45Mn2 Wear-resistant pipes, Twin wall pipes ,Reducer , tee, .ect ... cylinder,.ect4: Concrete pump clamp : DN80, DN100,DN125,DN150 Casting pipe clamp and Forged clamp.5, Other accessories: Rubber hose , ...