Dummy Sow For Pig Artificial Insemination

Field of the Invention The present invention relates to a method of pigging a pipe using a dummy pig and a dummy pig. In particular, the present invention relates to a pipe using a pig in a pipe constituting various piping systems such as a petrochemical plant, a gas plant, a water plant, and a fluid transfer plant. Margin to allow the pig to return to the reverse direction at the end of the pipe when performing the cleaning operation of the pipe or by separating the various fluids through a single pipe using a pig. ), Or a dummy pig, which is used to separate the pigs from each other so that a plurality of pigs can be fired sequentially. Also, the dummy pig can be used for cleaning or removing a plurality of fluids to remove foreign substances in the pipe. To perform online picking operations for transfer to the pipeline Relate to.