Pipe cleaning should be based on the drop and corrosion degree of the pipe. Straight plate or cup type pigs can be used. When the pipe pig pig is used for the first time, straight bar type pigs should be used. The pigs should carry aluminum calipers and electronics. Track the device to detect the degree of pipe deformation and track the operation of the pig. So what are the conditions for the pipeline to be cleaned up? How to operate the foam pig? Next, the editor will talk about the conditions required for the whole process of cleaning the pipeline and the method of brushing the foam pig.