Supplementary perforation of steel pipe

Different types, materials and structures of pipelines have different emergency repair methods. For example, most steel pipes are weld cracks or corrosion perforations, which can generally be repaired by repair welding or cover repair welding; The prestressed concrete pipe is compacted and fixed by chuck after being filled with hemp and ash; If there is a crack in the pipe body, two sleeves can be used or cast iron pipes or steel pipes can be replaced according to the crack size, and the two ends are connected with the original pipes by adapters.