Specifications Concrete Pump Taper Pipes 1.Flanges: integrated 2.Quality: hight wear-resisting 3.Material:ST52,45Mn 2,20# Quick Details Technics: Casting Place of Origin: China (Mainland) Model Number: DN125Brand Name: Boyang Connection: Flange Shape: ReducingWorking Capacity: 25000-45000cbm Property: abrasion resistant Color: white,red,grey,yellowMaterials:: ST37,ST52,45Mn2,20#steel etcPackaging ...