Vacuum Insulated Pipe (VI Piping), uas yog lub tshuab nqus tsev vacuum (VJ Piping) yog siv rau kev xa cov pa oxygen, kua nitrogen, kua argon, kua hydrogen, kua helium, LEG thiab LNG, raws li kev hloov zoo meej rau cov pa hluav taws xob rwb thaiv tsev.