Pigging Systems

by strix

Words: Pigging systems are designed so that the pig is loaded into the launcher, which is pressured up

Author's note: Because I think `pig launcher` is an inhernetly funny name for industrial machinery.

Image credit: Dexcel
http://en.wikipedia.org/wiki/Image:Pigging-inserting_pig_into_line.jpg

http://en.wikipedia.org/wiki/Pipeline_transport